"

  Data:  -s
  Addr:  -
  Float: -

Return an empty string.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

$

  Data:  -c
  Addr:  -
  Float: -

Return ASCII:NUL (0).

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

'

  Data:  -s
  Addr:  -
  Float: -

Return an empty string.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

(

  Data:  -
  Addr:  -
  Float: -

Provide a visual indication of a code group.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

)

  Data:  -
  Addr:  -
  Float: -

Provide a visual indication of a code group.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

*

  Data:  nn-n
  Addr:  -
  Float: -

Multiply `n1` by `n2` and return the result.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #2 #6 *
    #-1 #100 *

------------------------------------------------------------------------

+

  Data:  nn-n
  Addr:  -
  Float: -

Add `n1` to `n2` and return the result.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #1 #2 + 

------------------------------------------------------------------------

,

  Data:  n-
  Addr:  -
  Float: -

Store the specified value into the memory at `here` and increment `Heap` by 1.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    $a , $b , $c , #0 ,

------------------------------------------------------------------------

-

  Data:  nn-n
  Addr:  -
  Float: -

Subtract `n2` from `n1` and return the result.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #2 #1 - 

------------------------------------------------------------------------

---reveal---

  Data:  -
  Addr:  -
  Float: -

Switch to the exposed (public) portion of a lexical namespace.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

-eq?

  Data:  nn-f
  Addr:  -
  Float: -

Compare two values for inequality. Returns `TRUE` if they are not equal or `FALSE` otherwise.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #1 #2 -eq?
    $a $b -eq?

------------------------------------------------------------------------

-if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quotation if the flag is `FALSE`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

-if;

  Data:  fq-
  Addr:  -
  Float: -

Execute the quotation if the flag is `FALSE`. If false, also exit the word.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

/

  Data:  nm-q
  Addr:  -
  Float: -

Divide `n` by `m` and return the integer part of the quotient.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

/mod

  Data:  nm-rq
  Addr:  -
  Float: -

Divide `n` by `m` and return the integer part of the quotient and remainder.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

0;

  Data:  n-n || n-
  Addr:  -
  Float: -

If `n` is zero, drop `n` and exit the current word. If non-zero, leave `n` alone and allow execution to continue.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

;

  Data:  -
  Addr:  -
  Float: -

End the current definition.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

?dup

  Data:  n-nn || n-n
  Addr:  -
  Float: -

Duplicate top value on stack if not zero. If zero, do nothing.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #1 ?dup
    #0 ?dup

------------------------------------------------------------------------

ASCII:ACK

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:BEL

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:BS

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:CAN

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:CR

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DC1

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DC2

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DC3

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DC4

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DEL

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:DLE

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:EM

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:ENQ

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:EOT

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:ESC

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:ETB

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:ETX

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:FF

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:FS

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:GS

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:HT

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:LF

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:NAK

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:NUL

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:RS

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SI

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SO

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SOH

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SPACE

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:STX

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SUB

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:SYN

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:US

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

ASCII:VT

  Data:  -n
  Addr:  -
  Float: -

Constant. Refers to specific ASCII code.

Class: class:data | Namespace: ASCII | Interface Layer: all
------------------------------------------------------------------------

Compiler

  Data:  -a
  Addr:  -
  Float: -

Variable. Holds the compiler state. If TRUE, the compiler is active. If FALSE, it is not.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

Dictionary

  Data:  -a
  Addr:  -
  Float: -

Variable. Holds a pointer to the most recent dictionary header.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

EOM

  Data:  -a
  Addr:  -
  Float: -

Constant. Returns the last addressable memory address.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

FALSE

  Data:  -n
  Addr:  -
  Float: -

Returns `0`, the value used to indicate a FALSE result.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

FREE

  Data:  -n
  Addr:  -
  Float: -

Returns the number of cells available to your application. This is the amount of memory, less the already consumed portion and buffers mapped for RETRO's internal use.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

Heap

  Data:  -a
  Addr:  -
  Float: -

Variable. Holds the address of the next available cell.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

I

  Data:  -n
  Addr:  -
  Float: -

Access the loop index for the current loop. (For loops made using `times<with-index>`)

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

J

  Data:  -n
  Addr:  -
  Float: -

Access the parent loop index for the current loop. (For loops made using `times<with-index>`)

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

K

  Data:  -n
  Addr:  -
  Float: -

Access the grandparent loop index for the current loop. (For loops made using `times<with-index>`)

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

NoEcho

  Data:  -a
  Addr:  -
  Float: -

Variable. If TRUE, allow display of the "ok" prompt and startup banner.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

RewriteUnderscores

  Data:  -a
  Addr:  -
  Float: -

Variable. When set to `TRUE`, RETRO will replace underscores in strings with spaces. When `FALSE`, RETRO does not.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

STRINGS

  Data:  -a
  Addr:  -
  Float: -

Return the address of the start of the temporary string pool.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

ScopeList

  Data:  -a
  Addr:  -
  Float: -

Variable. This holds some information used by `{{` and `}}`.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

TIB

  Data:  -a
  Addr:  -
  Float: -

Constant. Returns a pointer to the text input buffer.

Class: class:data | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

TRUE

  Data:  -n
  Addr:  -
  Float: -

Returns `-1`, the value used to indicate a TRUE result.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

TempStringMax

  Data:  -a
  Addr:  -
  Float: -

Variable. Holds the maximum length of a temporary string.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

TempStrings

  Data:  -a
  Addr:  -
  Float: -

Variable. Holds the number of temporary strings.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

Version

  Data:  -a
  Addr:  -
  Float: -

Variable. This stores the version number.

Class: class:data | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

[

  Data:  -
  Addr:  -
  Float: -

Begin a quotation.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

]

  Data:  -
  Addr:  -
  Float: -

End a quotation.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

a:-eq?

  Data:  aa-f
  Addr:  -
  Float: -

Compare all values in the array. Return `FALSE` if all values are equal or `TRUE` otherwise. This assumes the array contains only numeric values.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:append

  Data:  aa-a
  Addr:  -
  Float: -

Return a new array consisting of the values in a1 followed by the values in a2.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:begins-with?

  Data:  aa-f
  Addr:  -
  Float: -

Return `TRUE` if a1 begins with a2 or `FALSE` otherwise.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:chop

  Data:  a-a
  Addr:  -
  Float: -

Return a new array containing all but the last value in the source array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:contains-string?

  Data:  sa-f
  Addr:  -
  Float: -

Return `TRUE` if the string value is in the array or`FALSE` otherwise.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:contains?

  Data:  na-f
  Addr:  -
  Float: -

Return `TRUE` if the value is in the array or `FALSE` otherwise.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:copy

  Data:  aa-
  Addr:  -
  Float: -

Copy an array (a1) to a destination (a2).

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:counted-results

  Data:  q-a
  Addr:  -
  Float: -

Run a quote and construct a new array from the returned values. The quote should return the values and the number of values to put into the array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:dup

  Data:  a-b
  Addr:  -
  Float: -

Make a copy of an array. Return the address of the copy.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:ends-with?

  Data:  aa-f
  Addr:  -
  Float: -

Return `TRUE` if a1 ends with a2 or `FALSE` otherwise.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:eq?

  Data:  aa-f
  Addr:  -
  Float: -

Compare all values in the array. Return `TRUE` if all values are equal or `FALSE` otherwise. This assumes the array contains only numeric values.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:fetch

  Data:  an-n
  Addr:  -
  Float: -

Fetch the value stored at the specified index in the specified array.

Class: class:word | Namespace: a | Interface Layer: all

Example #1:

    { #0 #1 #3 } #2 a:fetch

------------------------------------------------------------------------

a:filter

  Data:  aq-b
  Addr:  -
  Float: -

For each item in the initial array, run the specified quote. If the quote returns `TRUE`, copy the item into a new array. If `FALSE`, discard it. Returns a pointer to the new array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:for-each

  Data:  aq-
  Addr:  -
  Float: -

Execute the quote once for each item in the array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:from-string

  Data:  s-a
  Addr:  -
  Float: -

Create a new array with the characters in the source string.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:index-of

  Data:  an-n
  Addr:  -
  Float: -

Return the location of the first instance of the specified value in the array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:left

  Data:  an-a
  Addr:  -
  Float: -

Return a new array containing the first `n` values from the source array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:length

  Data:  a-n
  Addr:  -
  Float: -

Return the length of a array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:make

  Data:  q-a
  Addr:  -
  Float: -

Execute quote. Return a new array containing the values the quote leaves on the stack. This is identical to doing `a:counted-results a:reverse`

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:map

  Data:  aq-b
  Addr:  -
  Float: -

Execute quote once for each item in the array. Constructs a new array from the value returned by the quote.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:middle

  Data:  afl-a
  Addr:  -
  Float: -

Extract a new array from the middle of the specified array. This will take the values starting at `f` and extend to the `l` last value.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:prepend

  Data:  aa-a
  Addr:  -
  Float: -

Return a new array consisting of the values in a2 followed by the values in a1.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:reduce

  Data:  pnq-n
  Addr:  -
  Float: -

Takes an array, a starting value, and a quote. This will apply the quote to each item in the array; the quote should consume two values and return one.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:reverse

  Data:  a-b
  Addr:  -
  Float: -

Reverse the order of items in a array. This will return a new array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:right

  Data:  an-a
  Addr:  -
  Float: -

Return a new array containing the specified number of values from the right side of the array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:store

  Data:  vna-
  Addr:  -
  Float: -

Store a value into the array at the specified index.

Class: class:word | Namespace: a | Interface Layer: all

Example #1:

    #3 { #0 #1 #2 } #1 a:store

------------------------------------------------------------------------

a:th

  Data:  an-b
  Addr:  -
  Float: -

Return the actual address of the `n`th item in the array.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

a:to-string

  Data:  a-s
  Addr:  -
  Float: -

Create a new string from the provided array. This string will be stored in the temporal string buffers.

Class: class:word | Namespace: a | Interface Layer: all
------------------------------------------------------------------------

again

  Data:  -
  Addr:  -
  Float: -

Close an unconditional loop. Branches back to the prior `repeat`.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

allot

  Data:  n-
  Addr:  -
  Float: -

Allocate the specified number of cells from the `Heap`.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    'Buffer d:create  #100 allot

------------------------------------------------------------------------

and

  Data:  nm-o
  Addr:  -
  Float: -

Perform a bitwise AND operation between the two provided values.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

as{

  Data:  -f
  Addr:  -
  Float: -

Begin an assembly section.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

banner

  Data:  -
  Addr:  -
  Float: -

Display a welcome message on startup.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

bi

  Data:  xqq-?
  Addr:  -
  Float: -

Execute q1 against x, then execute q2 against a copy of x.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #100 [ #10 * ] [ #10 - ] bi

------------------------------------------------------------------------

bi*

  Data:  xyqq-?
  Addr:  -
  Float: -

Execute q1 against x and q2 against y.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #10 #20 [ #2 * ] [ #10 / ] bi*

------------------------------------------------------------------------

bi@

  Data:  xyq-?
  Addr:  -
  Float: -

Execute q against x, then execute q against y.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #10 #20 [ #3 * ] bi@

------------------------------------------------------------------------

buffer:add

  Data:  n-
  Addr:  -
  Float: -

Append a value to the current buffer.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:empty

  Data:  -
  Addr:  -
  Float: -

Reset the current buffer to an empty state.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:end

  Data:  -a
  Addr:  -
  Float: -

Return a pointer to the current end of the active buffer.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:get

  Data:  -n
  Addr:  -
  Float: -

Remove the last value from the current buffer.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:preserve

  Data:  q-
  Addr:  -
  Float: -

Save and restore the current buffer before and after executing the specified quote.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:set

  Data:  a-
  Addr:  -
  Float: -

Assign a new buffer as the current one.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:size

  Data:  -n
  Addr:  -
  Float: -

Return the number of cells in the buffer.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

buffer:start

  Data:  -a
  Addr:  -
  Float: -

Return the start address of the current buffer.

Class: class:word | Namespace: buffer | Interface Layer: all
------------------------------------------------------------------------

bye

  Data:  -
  Addr:  -
  Float: -

Exit RETRO.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

c:-consonant?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is a not consonant or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-digit?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is a not numeric digit or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-lowercase?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is not lowercase or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-uppercase?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is not uppercase or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-visible?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is not printable or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-vowel?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is not a vowel or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:-whitespace?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is not whitespace, or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:consonant?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is a consonant or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:digit?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is a numeric digit or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:get

  Data:  -c
  Addr:  -
  Float: -

Read a single keypress.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

c:letter?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is an ASCII letter or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:lowercase?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is lowercase or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:put

  Data:  c-
  Addr:  -
  Float: -

Display a single character.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

c:to-lower

  Data:  c-c
  Addr:  -
  Float: -

Convert character to lowercase equivalent.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:to-number

  Data:  c-n
  Addr:  -
  Float: -

Convert an ASCII digit character into the corresponding decimal value

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

c:to-string

  Data:  c-s
  Addr:  -
  Float: -

Convert character into a string.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:to-upper

  Data:  c-c
  Addr:  -
  Float: -

Convert character to uppercase equivalent.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:toggle-case

  Data:  c-c
  Addr:  -
  Float: -

Convert an ASCII character to the opposite case.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:uppercase?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is uppercase or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:visible?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is printable or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:vowel?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is a vowel or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

c:whitespace?

  Data:  c-f
  Addr:  -
  Float: -

Return TRUE if character is whitespace, or FALSE otherwise.

Class: class:word | Namespace: c | Interface Layer: all
------------------------------------------------------------------------

call

  Data:  a-
  Addr:  -
  Float: -

Call a function.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

case

  Data:  nmq- || nmq-n
  Addr:  -
  Float: -

If `n` is equal to `m`, drop both and execute the specified quote before exiting the calling word. If not equal, leave `n` on the stack and let execution continue.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

choose

  Data:  fqq-
  Addr:  -
  Float: -

Execute q1 if the flag is true (-1) or q2 if the flag is false (0). Only these flags are valid when using `choose`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

class:data

  Data:  n- || n-n
  Addr:  -
  Float: -

Class handler for data structures.

Interpret Time:
  Keep the address or value on the stack.

Compile Time:
  Compile the value or address as a literal into the current definition.

Class: class:word | Namespace: class | Interface Layer: all
------------------------------------------------------------------------

class:macro

  Data:  a-
  Addr:  -
  Float: -

Class handler for compiler macros (immediate words)

Interpret Time:
  Execute the function at the provided address.

Compile Time:
  Execute the function at the provided address.

Class: class:word | Namespace: class | Interface Layer: all
------------------------------------------------------------------------

class:primitive

  Data:  a-
  Addr:  -
  Float: -

Class handler for primitive words (words which map to Nga instructions)

Interpret Time:
  Execute the function.

Compile Time:
  Compile the machine code in the definiton into the current definition.

Class: class:word | Namespace: class | Interface Layer: all
------------------------------------------------------------------------

class:word

  Data:  a-
  Addr:  -
  Float: -

Class handler for normal words.

Interpret Time:
  Execute the function at the provided address.

Compile Time:
  Compile a call to the specified address into the current definition.

Class: class:word | Namespace: class | Interface Layer: all
------------------------------------------------------------------------

clear

  Data:  -
  Addr:  -
  Float: -

Clear the display.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

clock:day

  Data:  -n
  Addr:  -
  Float: -

Return the current day.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:hour

  Data:  -n
  Addr:  -
  Float: -

Return the current hour.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:minute

  Data:  -n
  Addr:  -
  Float: -

Return the current minute.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:month

  Data:  -n
  Addr:  -
  Float: -

Return the current month.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:second

  Data:  -n
  Addr:  -
  Float: -

Return the current second.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:day

  Data:  -n
  Addr:  -
  Float: -

Return the current day.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:hour

  Data:  -n
  Addr:  -
  Float: -

Return the current hour.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:minute

  Data:  -n
  Addr:  -
  Float: -

Return the current minute.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:month

  Data:  -n
  Addr:  -
  Float: -

Return the current month.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:second

  Data:  -n
  Addr:  -
  Float: -

Return the current second.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:utc:year

  Data:  -n
  Addr:  -
  Float: -

Return the current year.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

clock:year

  Data:  -n
  Addr:  -
  Float: -

Return the current year.

Class: class:word | Namespace: clock | Interface Layer: iOS, rre
------------------------------------------------------------------------

compile:call

  Data:  a-
  Addr:  -
  Float: -

Compile a call to the specified address into the current definition.

Class: class:word | Namespace: compile | Interface Layer: all
------------------------------------------------------------------------

compile:jump

  Data:  a-
  Addr:  -
  Float: -

Compile a jump to the specified address into the current definition.

Class: class:word | Namespace: compile | Interface Layer: all
------------------------------------------------------------------------

compile:lit

  Data:  n-
  Addr:  -
  Float: -

Compile the code to push a number to the stack into the current definition.

Class: class:word | Namespace: compile | Interface Layer: all
------------------------------------------------------------------------

compile:ret

  Data:  -
  Addr:  -
  Float: -

Compile a return instruction into the current definition.

Class: class:word | Namespace: compile | Interface Layer: all
------------------------------------------------------------------------

compiling?

  Data:  -f
  Addr:  -
  Float: -

Return `TRUE` if compiler is on or `FALSE` otherwise.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

const

  Data:  ns-
  Addr:  -
  Float: -

Create a constant returning the specified value.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

copy

  Data:  sdl-
  Addr:  -
  Float: -

Copy `l` cells from memory at `s` to the memory at `d`. These should not overlap.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

curry

  Data:  nq-q
  Addr:  -
  Float: -

Bind a value to a function and return a new quote that calls the bound action.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

d

  Data:  n-
  Addr:  -
  Float: -

Inline a numeric value to the current assembly segment.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

d:add-header

  Data:  saa-
  Addr:  -
  Float: -

Create a header. Provide a string (s) for the name, a pointer to the class handler (a1) and a pointer to the word definition (a2) Generally this won't be used directly.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:class

  Data:  d-a
  Addr:  -
  Float: -

Given a dictionary header, return the class field.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:create

  Data:  s-
  Addr:  -
  Float: -

Create a new dictionary header named the specified string. The new header will point to `here` and have a class of `class:data`.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:for-each

  Data:  q-
  Addr:  -
  Float: -

Execute the specified quote once for each header in the dictionary. Before running the quote, this also pushes a pointer to the header onto the stack.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:last

  Data:  -d
  Addr:  -
  Float: -

Return the most recent dictionary header.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:last<class>

  Data:  -a
  Addr:  -
  Float: -

Return a pointer to the class field of the most recent dictionary header.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:last<name>

  Data:  -s
  Addr:  -
  Float: -

Return a pointer to the name field of the most recent dictionary header.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:last<xt>

  Data:  -a
  Addr:  -
  Float: -

Return a pointer to the xt field of the most recent dictionary header.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:link

  Data:  d-a
  Addr:  -
  Float: -

Given a dictionary header, return the link field.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:lookup

  Data:  s-d
  Addr:  -
  Float: -

Lookup the specified name in the dictionary and return a pointer to its dictionary header. This returns zero if the word is not found.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:lookup-xt

  Data:  a-d
  Addr:  -
  Float: -

Lookup the specified address in the dictionary and return a pointer to its dictionary header. This returns zero if the word is not found.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:name

  Data:  d-s
  Addr:  -
  Float: -

Given a dictionary header, return the name field.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

d:words

  Data:  -
  Addr:  -
  Float: -

Display a list of all named items in the `Dictionary`.

Class: class:word | Namespace: d | Interface Layer: rre
------------------------------------------------------------------------

d:words-beginning-with

  Data:  s-
  Addr:  -
  Float: -

Display a list of all named items in the `Dictionary` that begin with the provided substring.

Class: class:word | Namespace: d | Interface Layer: rre
------------------------------------------------------------------------

d:words-with

  Data:  s-
  Addr:  -
  Float: -

Display a list of all named items in the `Dictionary` that contain the provided substring.

Class: class:word | Namespace: d | Interface Layer: rre
------------------------------------------------------------------------

d:xt

  Data:  d-a
  Addr:  -
  Float: -

Given a dictionary header, return the xt field.

Class: class:word | Namespace: d | Interface Layer: all
------------------------------------------------------------------------

data

  Data:  -
  Addr:  -
  Float: -

Change the class of the most recently defined word to `class:data`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

depth

  Data:  -n
  Addr:  -
  Float: -

Return the number of items on the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

dip

  Data:  nq-n
  Addr:  -
  Float: -

Temporarily remove n from the stack, execute the quotation, and then restore n to the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

does

  Data:  q-
  Addr:  -
  Float: -

Attach an action to the most recently created word. This is used in a manner similar to CREATE/DOES> in traditional Forth.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

drop

  Data:  n-
  Addr:  -
  Float: -

Discard the top value on the stack.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

drop-pair

  Data:  nn-
  Addr:  -
  Float: -

Remove top two items on the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

dump-stack

  Data:  -
  Addr:  -
  Float: -

Display the items on the data stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

dup

  Data:  n-nn
  Addr:  -
  Float: -

Duplicate the top item on the stack.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

dup-pair

  Data:  nm-nmnm
  Addr:  -
  Float: -

Duplicate the top two items on the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

e:-INF

  Data:  -e
  Addr:  -
  Float: -

Constant. Negative infinity.  For encoded floating point values.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:-inf?

  Data:  e-f
  Addr:  -
  Float: -

Is encoded value negative infinity?

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:INF

  Data:  -e
  Addr:  -
  Float: -

Constant. Infinity. For encoded floating point values.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:MAX

  Data:  -e
  Addr:  -
  Float: -

Constant. Maximum value. For encoded floating point values.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:MIN

  Data:  -e
  Addr:  -
  Float: -

Constant. Minimum value. For encoded floating point values.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:NAN

  Data:  -e
  Addr:  -
  Float: -

Constant. Not a Number. For encoded floating point values.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:clip

  Data:  e-E
  Addr:  -
  Float: -

Constrain the encoded value to the allowable range.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:inf?

  Data:  e-f
  Addr:  -
  Float: -

Is encoded value infinity?

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:max?

  Data:  e-f
  Addr:  -
  Float: -

Is encoded value at the maximum?

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:min?

  Data:  e-f
  Addr:  -
  Float: -

Is encoded value at the minimum?

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:n?

  Data:  e-f
  Addr:  -
  Float: -

Return `TRUE` if the encoded value is a valid number, or `FALSE` otherwise.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:nan?

  Data:  e-f
  Addr:  -
  Float: -

Is encoded value a Nan?

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:put

  Data:  e-
  Addr:  -
  Float: -

Display an encoded number.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:to-f

  Data:  e-
  Addr:  -
  Float: -n

Decode an encoded floating point value.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

e:zero?

  Data:  e-f
  Addr:  -
  Float: -

Return `TRUE` if the value is zero, or `FALSE` otherwise.

Class: class:word | Namespace: e | Interface Layer: rre
------------------------------------------------------------------------

eq?

  Data:  nn-f
  Addr:  -
  Float: -

Compare two values for equality. Returns `TRUE` if they are equal or `FALSE` otherwise.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #1 #2 eq?
    $a $b eq?

------------------------------------------------------------------------

err:notfound

  Data:  -
  Addr:  -
  Float: -

Error handler. Called when a word is not found by `interpret`.

Class: class:word | Namespace: err | Interface Layer: all
------------------------------------------------------------------------

f:*

  Data:  -
  Addr:  -
  Float: FF-F

Multiply two floating point numbers, returning the result.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3.1415 .22 f:*

------------------------------------------------------------------------

f:+

  Data:  -
  Addr:  -
  Float: FF-F

Add two floating point numbers, returning the result.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3.1 .22 f:+

------------------------------------------------------------------------

f:-

  Data:  -
  Addr:  -
  Float: FF-F

Subtract F2 from F1 returing the result.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .22.3 .0.12 f:-

------------------------------------------------------------------------

f:-INF

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to negative infinity

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:-eq?

  Data:  -f
  Addr:  -
  Float: FF-

Compare two floating point values for inequality. Returns `TRUE` if they are not equal or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:-inf?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating point value is -INF or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:/

  Data:  -
  Addr:  -
  Float: FF-F

Divide floating point value F1 by F2.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:E

  Data:  -
  Addr:  -
  Float: -F

Return the floating point value for Euler's number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:E1

  Data:  -
  Addr:  -
  Float: -f

Hook. Return a constant used as the scaling factor for the e: words.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:INF

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to positive infinity

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:NAN

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to NaN

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:PI

  Data:  -
  Addr:  -
  Float: -F

Return the floating point value for PI.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:abs

  Data:  -
  Addr:  -
  Float: F-F

Return the absolute value for a floating point value.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:acos

  Data:  -
  Addr:  -
  Float: F-F

Return the arc cosine of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:adepth

  Data:  -n
  Addr:  -
  Float: -

Return the number of items on the alternate floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:asin

  Data:  -
  Addr:  -
  Float: F-F

Return the arc sine of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:atan

  Data:  -
  Addr:  -
  Float: F-F

Return the arc tangent of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:between?

  Data:  -f
  Addr:  -
  Float: nlu-

Return TRUE if number is between the lower (l) and upper (u) bounds. If not, return FALSE. This is inclusive of the limits.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3 .1 .100 f:between?
    .100 .200 .300   f:between?

------------------------------------------------------------------------

f:case

  Data:  q-
  Addr:  -
  Float: nm-n

If `n` is equal to `m`, drop both and execute the specified quote before exiting the calling word. If not equal, leave `n` on the stack and let execution continue.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:ceiling

  Data:  -
  Addr:  -
  Float: F-F

Return the smallest integral value greater than or equal to the specified value.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:cos

  Data:  -
  Addr:  -
  Float: F-F

Return the cosine of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:dec

  Data:  -
  Addr:  -
  Float: n-m

Decrement n by one.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .100 f:dec

------------------------------------------------------------------------

f:depth

  Data:  -n
  Addr:  -
  Float: -

Return the number of items on the floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:drop

  Data:  -
  Addr:  -
  Float: F-

Discard the top item on the floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:drop-pair

  Data:  -
  Addr:  -
  Float: FF-

Remove top two items on the stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:dump-astack

  Data:  -
  Addr:  -
  Float: -

Display the items on the alternate floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:dump-stack

  Data:  -
  Addr:  -
  Float: -

Display the items on the floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:dup

  Data:  -
  Addr:  -
  Float: F-FF

Duplicate the top item on the floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:dup-pair

  Data:  -
  Addr:  -
  Float: nm-nmnm

Duplicate the top two items on the stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:eq?

  Data:  -f
  Addr:  -
  Float: FF-

Compare two floating point values for equality. Returns `TRUE` if they are equal or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:fetch

  Data:  a-
  Addr:  -
  Float: -n

Fetch a stored floating point value.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:floor

  Data:  -
  Addr:  -
  Float: F-F

Perform a mathmatical floor operation on the floating point value.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:gt?

  Data:  -f
  Addr:  -
  Float: FF-

Compare two floating point values for greater than.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:inc

  Data:  -
  Addr:  -
  Float: n-m

Increment n by one.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .100 f:inc

------------------------------------------------------------------------

f:inf?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating point value is INF or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:limit

  Data:  -
  Addr:  -
  Float: nlu-m

Return n if it is within the lower (l) and upper (u) bounds. If outside the bounds, return the closes boundary value.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .-10 .5 .8 f:limit
    .10  .1 .15 f:limit

------------------------------------------------------------------------

f:log

  Data:  -
  Addr:  -
  Float: FF-F

Return log(F1) for base F2 for floating point values.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:lt?

  Data:  -f
  Addr:  -
  Float: FF-

Compare two floating point values for less than.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:max

  Data:  -
  Addr:  -
  Float: mn-o

Return the greater of two values.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .1 .7 f:max
    .-8 .-10 f:max

------------------------------------------------------------------------

f:min

  Data:  -
  Addr:  -
  Float: mn-o

Return the lesser of two values.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .1 .7 f:min
    .-8 .-10 f:min

------------------------------------------------------------------------

f:nan?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating point value is NaN or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:negate

  Data:  -
  Addr:  -
  Float: F-F

Invert the sign of the floating point value.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3.1415 f:negate

------------------------------------------------------------------------

f:negative?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating point value is negative or `FALSE` if not.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:nip

  Data:  -
  Addr:  -
  Float: NM-M

Remove the second item from the stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:over

  Data:  -
  Addr:  -
  Float: FG-FGF

Put a copy of the second floating point value over the top one.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:pop

  Data:  -
  Addr:  -
  Float: -F

Pop a floating point value from the alternate stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:positive?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating point value is positive or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:power

  Data:  -
  Addr:  -
  Float: FF-F

Return F1^F2 for floating point values.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:push

  Data:  -
  Addr:  -
  Float: F-

Push a floating point value to an alternative stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:put

  Data:  -
  Addr:  -
  Float: F-

Display a floating point number.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

f:rot

  Data:  -
  Addr:  -
  Float: abc-bca

Rotate the top three values.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:round

  Data:  -
  Addr:  -
  Float: f-f

Round a floating point value.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:sign

  Data:  -n
  Addr:  -
  Float: F-

Return 1 if the floating point value is positive or -1 if it is negative.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3.1415 f:sign

------------------------------------------------------------------------

f:signed-sqrt

  Data:  -
  Addr:  -
  Float: F-F

Return the square root of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:signed-square

  Data:  -
  Addr:  -
  Float: f-f

Return the square of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:sin

  Data:  -
  Addr:  -
  Float: F-F

Return the sine of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:sqrt

  Data:  -
  Addr:  -
  Float: F-F

Return the square root of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:square

  Data:  -
  Addr:  -
  Float: f-f

Return the square of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:store

  Data:  a-
  Addr:  -
  Float: n-

Store a floating point value to the specified memory location.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:swap

  Data:  -
  Addr:  -
  Float: FG-GF

Exchange the top and second items on the floating point stack.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:tan

  Data:  -
  Addr:  -
  Float: F-F

Return the tangent of a floating point number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:to-e

  Data:  -e
  Addr:  -
  Float: n-

Encode the floating point value to an integer.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:to-number

  Data:  -n
  Addr:  -
  Float: F-

Convert a floating point value into a number.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:to-string

  Data:  -s
  Addr:  -
  Float: F-

Convert a floating point value into a string.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

f:tuck

  Data:  -
  Addr:  -
  Float: FG-GFG

Tuck a copy of the top floating point value under the second one.

Class: class:word | Namespace: f | Interface Layer: rre
------------------------------------------------------------------------

fetch

  Data:  a-n
  Addr:  -
  Float: -

Fetch the value stored at the specified address.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    &Version fetch

------------------------------------------------------------------------

fetch-next

  Data:  a-an
  Addr:  -
  Float: -

Fetch the value stored at the specified address. Returns the next address and the value.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

file:A

  Data:  -n
  Addr:  -
  Float: -

Constant for opening a file in APPEND mode.

Class: class:data | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:R

  Data:  -n
  Addr:  -
  Float: -

Constant for opening a file in READ mode.

Class: class:data | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:R+

  Data:  -n
  Addr:  -
  Float: -

Constant for opening a file in READ & WRITE mode.

Class: class:data | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:W

  Data:  -n
  Addr:  -
  Float: -

Constant for opening a file in WRITE mode.

Class: class:data | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:close

  Data:  h-
  Addr:  -
  Float: -

Given a file handle, close the file.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:delete

  Data:  s-
  Addr:  -
  Float: -

Delete the named file.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:exists?

  Data:  s-f
  Addr:  -
  Float: -

Given a file name, return `TRUE` if it exists or `FALSE` if it does not.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:flush

  Data:  h-
  Addr:  -
  Float: -

Given a file handle, flush any pending writes to disk.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:for-each-line

  Data:  sq-
  Addr:  -
  Float: -

Given a file name, open it and run the quote once for each line in the file.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:open

  Data:  sm-h
  Addr:  -
  Float: -

Open a named file (s) with the given mode (m). Returns a handle identifying the file.

Class: class:word | Namespace: file | Interface Layer: rre

Example #1:

  '/etc/motd file:R file:open

------------------------------------------------------------------------

file:open<for-append>

  Data:  s-nn
  Addr:  -
  Float: -

Open a file for reading & writing. Returns the size (NOS) and a file ID (TOS)

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:open<for-reading>

  Data:  s-nn
  Addr:  -
  Float: -

Open a file for reading. Returns the size (NOS) and a file ID (TOS)

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:open<for-writing>

  Data:  s-n
  Addr:  -
  Float: -

Open a file for writing. Returns the file ID

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:read

  Data:  h-c
  Addr:  -
  Float: -

Given a file handle, read and return the next character in it.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:read-line

  Data:  f-s
  Addr:  -
  Float: -

Given a file handle, read a line and return a pointer to it.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:seek

  Data:  nh-
  Addr:  -
  Float: -

Move the current offset into a file to the specified one.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:size

  Data:  h-n
  Addr:  -
  Float: -

Given a file handle, return the size of the file (in bytes).

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:slurp

  Data:  as-
  Addr:  -
  Float: -

Given an address and a file name, read the file contents into memory starting at the address.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:spew

  Data:  ss-
  Addr:  -
  Float: -

Given a string (s1) and a file name (s2), write the string into the file, replacing any existing cotent.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:tell

  Data:  h-n
  Addr:  -
  Float: -

Given a file handle, return the current offset in the file.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

file:write

  Data:  ch-
  Addr:  -
  Float: -

Write a character to the file represented by the handle.

Class: class:word | Namespace: file | Interface Layer: rre
------------------------------------------------------------------------

gopher:get

  Data:  asns-n
  Addr:  -
  Float: -

Takes an address, a server, a port, and a selector. Fetch the resource and store it at address. Return the number of bytes received.

Class: class:word | Namespace: gopher | Interface Layer: ios

Example #1:

    here 'forthworks.com #70 '/ gopher:get
    here s:put

------------------------------------------------------------------------

gt?

  Data:  nn-f
  Addr:  -
  Float: -

Compare n1 and n2. Return `TRUE` if n1 is greater than n2, or `FALSE` otherwise.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

gteq?

  Data:  nn-f
  Addr:  -
  Float: -

Compare n1 and n2. Return `TRUE` if n1 is greater than or equal to n2, or `FALSE` otherwise.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

here

  Data:  -a
  Addr:  -
  Float: -

Return the next free address in memory.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

hook

  Data:  -
  Addr:  -
  Float: -

Add a hook point into the current word. This should only be used as the first word in a definition.

Class: class:macro | Namespace: global | Interface Layer: global

Example #1:

    :foo hook ;

------------------------------------------------------------------------

i

  Data:  s-
  Addr:  -
  Float: -

Assemble the instructions specified by the string into the current assembly scope.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quote if the flag is `TRUE`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

if;

  Data:  fq-
  Addr:  -
  Float: -

Execute the quotation if the flag is `TRUE`. If true, also exit the word.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

image:save

  Data:  s-
  Addr:  -
  Float: -

Save the current system to a new image file.

Class: class:word | Namespace: image | Interface Layer: rre
------------------------------------------------------------------------

immediate

  Data:  -
  Addr:  -
  Float: -

Change the class of the most recently defined word to `class:macro`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

include

  Data:  s-
  Addr:  -
  Float: -

Run the code in the specified file. 

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

interpret

  Data:  s-
  Addr:  -
  Float: -

Interpret a single input token.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    '#100 interpret
    'words interpret

------------------------------------------------------------------------

io:enumerate

  Data:  -n
  Addr:  -
  Float: -

Return the number of I/O devices.

Class: class:word | Namespace: io | Interface Layer: all
------------------------------------------------------------------------

io:file-operation

  Data:  ...n-
  Addr:  -
  Float: -

Trigger a file I/O operation. This is not intended to be used directly.

Class: class:word | Namespace: io | Interface Layer: rre
------------------------------------------------------------------------

io:float-operation

  Data:  ...n-
  Addr:  -
  Float: -

Trigger a floating point operation. This is not intended to be used directly.

Class: class:word | Namespace: io | Interface Layer: rre
------------------------------------------------------------------------

io:invoke

  Data:  n-
  Addr:  -
  Float: -

Invoke an interaction with an I/O device.

Class: class:word | Namespace: io | Interface Layer: all
------------------------------------------------------------------------

io:query

  Data:  n-mN
  Addr:  -
  Float: -

Ask an I/O device to identify itself. Returns a version (m) and device ID (N).

Class: class:word | Namespace: io | Interface Layer: all
------------------------------------------------------------------------

io:scan-for

  Data:  n-m
  Addr:  -
  Float: -

Scan the I/O devices for a device with a specified ID. Returns the device number, or -1 if not found.

Class: class:word | Namespace: io | Interface Layer: all
------------------------------------------------------------------------

io:unix-syscall

  Data:  ...n-
  Addr:  -
  Float: -

Trigger a Unix system call. This is not intended to be used directly.

Class: class:word | Namespace: io | Interface Layer: rre
------------------------------------------------------------------------

listen

  Data:  -
  Addr:  -
  Float: -

Run interactive "listener" (a REPL).

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

lt?

  Data:  nn-f
  Addr:  -
  Float: -

Compare n1 and n2. Return `TRUE` if n1 is less than n2, or `FALSE` otherwise.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

lteq?

  Data:  nn-f
  Addr:  -
  Float: -

Compare n1 and n2. Return `TRUE` if n1 is less than or equal to n2, or `FALSE` otherwise.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

mod

  Data:  nm-o
  Addr:  -
  Float: -

Divide `n` by `m` and return the remainder.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

n:-zero?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is not zero, or `FALSE` otherwise.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:MAX

  Data:  -n
  Addr:  -
  Float: -

Return the maximum value that will fit in a cell.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:MIN

  Data:  -n
  Addr:  -
  Float: -

Return the minimum value that will fit in a cell.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:abs

  Data:  n-n
  Addr:  -
  Float: -

Return the absolute value of a number.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #10 n:abs
    #-10 n:abs


------------------------------------------------------------------------

n:between?

  Data:  nlu-f
  Addr:  -
  Float: -

Return TRUE if number is between the lower (l) and upper (u) bounds. If not, return FALSE. This is inclusive of the limits.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #3 #1 #100 n:between?
    $q $a $b   n:between?

------------------------------------------------------------------------

n:dec

  Data:  n-m
  Addr:  -
  Float: -

Decrement n by one.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #100 n:dec

------------------------------------------------------------------------

n:even?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is even, or `FALSE` if not.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #12 n:even?
    #11 n:even?

------------------------------------------------------------------------

n:inc

  Data:  n-m
  Addr:  -
  Float: -

Increment n by one.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #100 n:inc

------------------------------------------------------------------------

n:limit

  Data:  nlu-m
  Addr:  -
  Float: -

Return n if it is within the lower (l) and upper (u) bounds. If outside the bounds, return the closes boundary value.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #-10 #5 #8 n:limit
    #10  #1 #15 n:limit

------------------------------------------------------------------------

n:max

  Data:  mn-o
  Addr:  -
  Float: -

Return the greater of two values.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #1 #7 n:max
    #-8 #-10 n:max

------------------------------------------------------------------------

n:min

  Data:  mn-o
  Addr:  -
  Float: -

Return the lesser of two values.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #1 #7 n:min
    #-8 #-10 n:min

------------------------------------------------------------------------

n:negate

  Data:  n-n
  Addr:  -
  Float: -

Invert the sign of a number.

Class: class:word | Namespace: n | Interface Layer: rre

Example #1:

    #10 n:negate
    #-10 n:negate

------------------------------------------------------------------------

n:negative?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is negative, or `FALSE` if not.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:odd?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is odd, or `FALSE` if not.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:positive?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is positive, or `FALSE` if not.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:pow

  Data:  bp-n
  Addr:  -
  Float: -

Return base (b) to power (p).

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:put

  Data:  n-
  Addr:  -
  Float: -

Display a number.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

n:random

  Data:  -n
  Addr:  -
  Float: -

Return a random number

Class: class:word | Namespace: n | Interface Layer: rre

Example #1:

    n:random n:put

------------------------------------------------------------------------

n:sqrt

  Data:  n-m
  Addr:  -
  Float: -

Return the square root of a number.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:square

  Data:  n-m
  Addr:  -
  Float: -

Return the square of a number.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:strictly-positive?

  Data:  n-f
  Addr:  -
  Float: -

Return TRUE if number is greater than zero or FALSE if it is zero or less.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:to-float

  Data:  n-
  Addr:  -
  Float: -F

Convert a number into a floating point value.

Class: class:word | Namespace: n | Interface Layer: rre
------------------------------------------------------------------------

n:to-string

  Data:  n-s
  Addr:  -
  Float: -

Convert a number into a string.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

n:zero?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is zero, or `FALSE` otherwise.

Class: class:word | Namespace: n | Interface Layer: all
------------------------------------------------------------------------

nip

  Data:  nm-m
  Addr:  -
  Float: -

Remove the second item from the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

nl

  Data:  -
  Addr:  -
  Float: -

Display a newline.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

not

  Data:  n-m
  Addr:  -
  Float: -

Perform a logical NOT operation.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

ok

  Data:  -
  Addr:  -
  Float: -

Display the "ok" prompt. This is a hook.

Class: class:word | Namespace: global | Interface Layer: rre
------------------------------------------------------------------------

or

  Data:  mn-o
  Addr:  -
  Float: -

Perform a bitwise OR between the provided values.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

over

  Data:  nm-nmn
  Addr:  -
  Float: -

Put a copy of n over m.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

parse-until

  Data:  q-s
  Addr:  -
  Float: -

Read input from stdin (via `c:get`) until the returned character is matched by the quote. Returns a string.

Class: class:word | Namespace: all | Interface Layer: rre

Example #1:

  :read-until-period (-s)
    [ $. eq? ] parse-until ;

------------------------------------------------------------------------

pb:get

  Data:  a-
  Addr:  -
  Float: -

Copy a string from the pasteboard to the specified address.

Class: class:word | Namespace: pb | Interface Layer: iOS
------------------------------------------------------------------------

pb:length

  Data:  -n
  Addr:  -
  Float: -

Return the length of the string on the pasteboard.

Class: class:word | Namespace: pb | Interface Layer: iOS

Example #1:

pb

------------------------------------------------------------------------

pb:set

  Data:  s-
  Addr:  -
  Float: -

Copy a string to the pasteboard.

Class: class:word | Namespace: pb | Interface Layer: iOS
------------------------------------------------------------------------

pop

  Data:  -n
  Addr:  n-
  Float: -

Move a value from the return stack to the data stack.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

prefix:!

  Data:  ns-
  Addr:  -
  Float: -

Store a value into a variable.

Interpret Time:
  Store a value into the named variable.

Compile Time:
  Compile the code to store a value into a named variable.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:"

  Data:  s-s
  Addr:  -
  Float: -

Process token as a string.

Interpret Time:
  Keep string as permanent. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space.

Compile Time:
  Keep string as permanent. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Then compile the string into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:#

  Data:  s-n
  Addr:  -
  Float: -

Process token as a number.

Interpret Time:
  Convert the string into a number and leave on the stack.

Compile Time:
  Convert the string into a number and compile into the current definition as a literal.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:$

  Data:  s-c
  Addr:  -
  Float: -

Process token as an ASCII character.

Interpret Time:
  Fetch first character from string. Leave on stack.

Compile Time:
  Fetch first character from the string. Compile into the current definition as  literal.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:&

  Data:  s-a
  Addr:  -
  Float: -

Return a pointer to a named item.

Interpret Time:
  Lookup name in dictionary, return contents of the xt field on the stack.

Compile Time:
  Lookup name in dictionary, compile code to push the contents of the xt field into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:'

  Data:  s-s
  Addr:  -
  Float: -

Process token as a string.

Interpret Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space.

Compile Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Then compile the string into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:(

  Data:  s-
  Addr:  -
  Float: -

Process token as a comment.

Interpret Time:
  Discard the string.

Compile Time:
  Discard the string.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:.

  Data:  s-
  Addr:  -
  Float: -F

Interpret time: convert string to a floating point value. Compile time: convert string to a floating point value and compile code to push this value to the float stack.

Class: class:macro | Namespace: prefix | Interface Layer: rre
------------------------------------------------------------------------

prefix::

  Data:  s-
  Addr:  -
  Float: -

Process token as a new definition.

Interpret Time:
  Create a header pointing to `here` with the provided string as the name. Sets class to `class:word`.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:@

  Data:  s-n
  Addr:  -
  Float: -

Fetch from a stored variable.

Interpret Time:
  Fetch a value from a named variable.

Compile Time:
  Compile the code to fetch a value from a named variable into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:`

  Data:  s-
  Addr:  -
  Float: -

Process token as a bytecode.

Interpret Time:
  Discard the string.

Compile Time:
  Convert the string to a number and use `,` to inline it into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

prefix:|

  Data:  s-
  Addr:  -
  Float: -

POSTPONE equivalent.

Interpret Time:
  Discard the string.

Compile Time:
  Convert the string to a number and use `,` to inline it into the current definition.

Class: class:macro | Namespace: prefix | Interface Layer: all
------------------------------------------------------------------------

primitive

  Data:  -
  Addr:  -
  Float: -

Change the class of the most recently defined word to `class:primitive`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

push

  Data:  n-
  Addr:  -n
  Float: -

Move a value from the data stack to the return stack.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

r

  Data:  s-
  Addr:  -
  Float: -

Lookup a reference by name and inline its pointer to the current assembly segment.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

random:mersenne

  Data:  -n
  Addr:  -
  Float: -

Return a random number using a mersenne shifter

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

random:mersenne:set-seed

  Data:  n-
  Addr:  -
  Float: -

Seed random:mersenne with the specified value

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

random:xoroshiro128**

  Data:  -n
  Addr:  -
  Float: -

Return a random number using xoroshiro128**

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

random:xoroshiro128**:jump

  Data:  -
  Addr:  -
  Float: -

Updates the internal xoroshiro128** state registers with the equivalent of 2^64 calls to random:xoroshiro128**.

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

random:xoroshiro128**:set-seed

  Data:  n-
  Addr:  -
  Float: -

Seed random:xoroshiro128** with the specified value

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

random:xoroshiro128**:test-seed

  Data:  nnnn-
  Addr:  -
  Float: -

Sets the internal xoroshiro128** state registers s0..s3 starting with TOS.

Class: class:word | Namespace: random | Interface Layer: rre
------------------------------------------------------------------------

reclass

  Data:  a-
  Addr:  -
  Float: -

Change the class handler of the most recently defined word to the specified one.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

reorder

  Data:  ...ss-?
  Addr:  -
  Float: -

Restructure the order of items on the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

repeat

  Data:  -
  Addr:  -
  Float: -

Begin an unconditional loop.

Class: class:macro | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

reset

  Data:  ...-
  Addr:  -
  Float: -

Remove all items from the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

rot

  Data:  abc-bca
  Addr:  -
  Float: -

Rotate the top three values.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

s,

  Data:  s-
  Addr:  -
  Float: -

Compile the code needed to push a string pointer to the stack and inline the string data into the current definition.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

s:ASCII-LETTERS

  Data:  -s
  Addr:  -
  Float: -

Constant. Returns a string of the ASCII letters (upper and lower case)

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:ASCII-LOWERCASE

  Data:  -s
  Addr:  -
  Float: -

Constant. Returns a string of the ASCII letters in lowercase

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:ASCII-UPPERCASE

  Data:  -s
  Addr:  -
  Float: -

Constant. Returns a string of the ASCII letters in uppercase

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:DIGITS

  Data:  -s
  Addr:  -
  Float: -

Constant. Return a string of characters recognized as numeric digits.

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:PUNCTUATION

  Data:  -s
  Addr:  -
  Float: -

Constant. Return a string of characters recognized as punctuation.

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:WHITESPACE

  Data:  -s
  Addr:  -
  Float: -

Constant. Returns a string of characters recognized as whitespace.

Class: class:data | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:append

  Data:  ss-s
  Addr:  -
  Float: -

Return a new string consisting of s1 followed by s2.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:begins-with?

  Data:  ss-f
  Addr:  -
  Float: -

Return `TRUE` if s1 begins with s2 or `FALSE` otherwise.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:case

  Data:  sSq- || sSq-s
  Addr:  -
  Float: -

If the `s` matches `S`, discard `s` and run the quote before exiting the caller. If they do not match, discard the quote and leave `s` on the stack.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:chop

  Data:  s-s
  Addr:  -
  Float: -

Remove the last character from a string. Returns a new string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:const

  Data:  ss-
  Addr:  -
  Float: -

Create a constant named s2, returning a pointer to s1. This will use `s:keep` to preserve the original string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:contains-char?

  Data:  sc-f
  Addr:  -
  Float: -

Return `TRUE` if the character is present in the string or `FALSE` otherwise.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:contains-string?

  Data:  ss-f
  Addr:  -
  Float: -

Return `TRUE` if the second string is present in the first string or `FALSE` otherwise.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:copy

  Data:  sa-
  Addr:  -
  Float: -

Copy a string (s) to a destination (a). This will include the terminator character when copying.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:empty

  Data:  -s
  Addr:  -
  Float: -

Return an empty string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:ends-with?

  Data:  ss-f
  Addr:  -
  Float: -

Return `TRUE` if s1 ends with s2 or `FALSE` otherwise.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:eq?

  Data:  ss-f
  Addr:  -
  Float: -

Compare two strings for equality. Return `TRUE` if identical or `FALSE` if not.

Class: class:word | Namespace: s | Interface Layer: all

Example #1:

    'hello 'again s:eq?
    'test  'test  s:eq?

------------------------------------------------------------------------

s:evaluate

  Data:  s-?
  Addr:  -
  Float: -

Evaluate string as if it was typed into the interpreter.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:filter

  Data:  sq-s
  Addr:  -
  Float: -

Execute the quote once for each value in the string. If the quote returns `TRUE`, append the value into a new string. If `FALSE` the value will be discarded.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:for-each

  Data:  sq-
  Addr:  -
  Float: -

Execute the quote once for each value in the string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:format

  Data:  ...s-s
  Addr:  -
  Float: -

Construct a new string using the template passed and items from the stack.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:get

  Data:  -s
  Addr:  -
  Float: -

Read input from standard in (via `c:get`) until a CR or LF is encountered. Returns a strig.

Class: class:word | Namespace: all | Interface Layer: rre
------------------------------------------------------------------------

s:hash

  Data:  s-n
  Addr:  -
  Float: -

Calculate a hash value for a string. This uses the djb2 algorithm.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:index-of

  Data:  sc-n
  Addr:  -
  Float: -

Return the location of the first instance of the specified character in the string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:index-of-string

  Data:  ss-n
  Addr:  -
  Float: -

Return the location of the first instance of the specified substring (s2) in the string (s1). Returns -1 if not found.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:keep

  Data:  s-s
  Addr:  -
  Float: -

Store a string into the heap and return a pointer to the start of it.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:left

  Data:  sn-s
  Addr:  -
  Float: -

Return a new string containing the first `n` characters from the source string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:length

  Data:  s-n
  Addr:  -
  Float: -

Return the number of characters in a string, excluding the NULL terminator.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:map

  Data:  sq-s
  Addr:  -
  Float: -

Execute the specified quote once for each character in the string. Builds a new string from the return value of the quote. The quote should return only one value.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:prepend

  Data:  ss-s
  Addr:  -
  Float: -

Return a new string consisting of s2 followed by s1.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:put

  Data:  s-
  Addr:  -
  Float: -

Display a string.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

s:replace

  Data:  sss-s
  Addr:  -
  Float: -

Replace the first instance of s2 in s1 with s3.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:replace-all

  Data:  sss-s
  Addr:  -
  Float: -

Replace all instances of s2 in s1 with s3.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:reverse

  Data:  s-s
  Addr:  -
  Float: -

Reverse the order of ASCII characters in a string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:right

  Data:  sn-s
  Addr:  -
  Float: -

Return a new string containing the specified number of characters from the right side of the string.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:skip

  Data:  -
  Addr:  -
  Float: -

Internal helper function used to skip over a string in a definition.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:split

  Data:  sc-ss
  Addr:  -
  Float: -

Split a string on the first occurrance of the specified character.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:split-on-string

  Data:  ss-ss
  Addr:  -
  Float: -

Split a string on the first occurrance of the specified string. After the split, the top stack item will be the part of the string before the specified subsring, and the second item will be the rest of the original string.

Class: class:word | Namespace: s | Interface Layer: all

Example #1:

  'Hello_Brave_World! 'Brave s:split-on-string s:put nl s:put nl

------------------------------------------------------------------------

s:substr

  Data:  sfl-s
  Addr:  -
  Float: -

Extract a substring from the specified string. This will take the characters starting at `f` and extend `l` characters in length.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:temp

  Data:  s-s
  Addr:  -
  Float: -

Move a string into the temporary string buffers.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:to-float

  Data:  s-
  Addr:  -
  Float: -F

Convert a string representation into a floating point value.

Class: class:word | Namespace: s | Interface Layer: rre
------------------------------------------------------------------------

s:to-lower

  Data:  s-s
  Addr:  -
  Float: -

Convert uppercase ASCII characters in a string to lowercase.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:to-number

  Data:  s-n
  Addr:  -
  Float: -

Convert a string to a number.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:to-upper

  Data:  s-s
  Addr:  -
  Float: -

Convert lowercase ASCII characters in a string to uppercase.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:tokenize

  Data:  sc-a
  Addr:  -
  Float: -

Takes a string and a character to use as a separator. It splits the string into substrings and returns an array containing pointers to each of them.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:tokenize-on-string

  Data:  ss-a
  Addr:  -
  Float: -

Takes a string (s1) and a substring (s2)  use as a separator. It splits the string into substrings and returns as array containing pointers to each of them.

Class: class:word | Namespace: s | Interface Layer: all
------------------------------------------------------------------------

s:trim

  Data:  s-s
  Addr:  -
  Float: -

Trim leading and trailing whitespace from a string.

Class: class:word | Namespace: s | Interface Layer: all

Example #1:

    '__hello__ s:trim

------------------------------------------------------------------------

s:trim-left

  Data:  s-s
  Addr:  -
  Float: -

Trim leading whitespace from a string.

Class: class:word | Namespace: s | Interface Layer: all

Example #1:

    '__hello__ s:trim-left

------------------------------------------------------------------------

s:trim-right

  Data:  s-s
  Addr:  -
  Float: -

Trim trailing whitespace from a string.

Class: class:word | Namespace: s | Interface Layer: all

Example #1:

    '__hello__ s:trim-right

------------------------------------------------------------------------

set-hook

  Data:  aa-
  Addr:  -
  Float: -

Patch the hook point in a2 to point to a1.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    :foo hook ;
    :bar #1 ;
    &bar &foo set-hook

------------------------------------------------------------------------

shift

  Data:  mn-o
  Addr:  -
  Float: -

Peform a bitwise shift of m by n bits. If n is positive, shift right. If negative, the shift will be to the left.

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

sip

  Data:  nq-n
  Addr:  -
  Float: -

Run quote. After execution completes, put a copy of n back on top of the stack.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

socket:accept

  Data:  n-nn
  Addr:  -
  Float: -

Begin accepting connections. Returns a new socket and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:bind

  Data:  sn-nn
  Addr:  -
  Float: -

Bind a socket to a port. The port should be a string. Returns 0 if successful or -1 othewise and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:close

  Data:  n-
  Addr:  -
  Float: -

Close a socket.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:configure

  Data:  ss-
  Addr:  -
  Float: -

Configure internal settings for a host (s1) and port (s2). Use before `socket:bind`.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:connect

  Data:  n-nn
  Addr:  -
  Float: -

Connect to a server. Provide a socket, this will return a status flag and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:create

  Data:  -n
  Addr:  -
  Float: -

Obtain a new socket.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:gethostbyname

  Data:  as-
  Addr:  -
  Float: -

Get the host IP in dotted notation. The host is specified by the string and the address is the start of the buffer for the dotted IP.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:listen

  Data:  nn-nn
  Addr:  -
  Float: -

Prepare a socket for accepting incoming quotations. Takes a backlog count (n1) and a socket (n2). Returns a flag (0 success, -1 failed) and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:recv

  Data:  ann-nn
  Addr:  -
  Float: -

Receive data from a socket. This will read into memory starting at address *a*, up to *n1* bytes. *n2* is the socket. Returns the number of bytes read and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

socket:send

  Data:  sn-nn
  Addr:  -
  Float: -

Send a string to a socket. This will return the number of characters sent and an error code.

Class: class:word | Namespace: socket | Interface Layer: rre
------------------------------------------------------------------------

sp

  Data:  -
  Addr:  -
  Float: -

Display a space (`ASCII:SPACE`)

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    :spaces (n-)  [ sp ] times ;
    #12 spaces

------------------------------------------------------------------------

store

  Data:  na-
  Addr:  -
  Float: -

Store a value into the specified address.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    'Base var
    #10 &Base store

------------------------------------------------------------------------

store-next

  Data:  na-a
  Addr:  -
  Float: -

Store a value into the specified address and return the next address.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

swap

  Data:  nm-mn
  Addr:  -
  Float: -

Exchange the position of the top two items on the stack

Class: class:primitive | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

sys:argc

  Data:  -n
  Addr:  -
  Float: -

Return the number of arguments passed to the program.

Class: class:word | Namespace: sys | Interface Layer: rre
------------------------------------------------------------------------

sys:argv

  Data:  n-s
  Addr:  -
  Float: -

Given an argument number, return the argument as a string.

Class: class:word | Namespace: sys | Interface Layer: rre
------------------------------------------------------------------------

sys:name

  Data:  -s
  Addr:  -
  Float: -

Return the filename of the program being run.

Class: class:word | Namespace: sys | Interface Layer: rre
------------------------------------------------------------------------

tab

  Data:  -
  Addr:  -
  Float: -

Display a tab (`ASCII:HT`)

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

times

  Data:  nq-
  Addr:  -
  Float: -

Run the specified quote the specified number of times.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #12 [ $- c:put ] times

------------------------------------------------------------------------

times<with-index>

  Data:  nq-
  Addr:  -
  Float: -

Run a quote the specified number of times, tracking the loop index in `I`.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

tri

  Data:  xqqq-?
  Addr:  -
  Float: -

Apply q1 against x, then q2 against a copy of x, and finally q3 against another copy of x.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

tri*

  Data:  xyzqqq-?
  Addr:  -
  Float: -

Apply q1 against x, q2 against y, and q3 against z.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

tri@

  Data:  xyzq-?
  Addr:  -
  Float: -

Apply q against x, then against y, and finally against z.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

tuck

  Data:  nm-mnm
  Addr:  -
  Float: -

Put a copy of the top item on the stack under the second one.

Class: class:word | Namespace: global | Interface Layer: all
------------------------------------------------------------------------

unhook

  Data:  a-
  Addr:  -
  Float: -

Reset the hook point in a1 to the default definition.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    :foo hook #1 ;
    :bar #2 ;
    &bar &foo set-hook
    &foo unhook

------------------------------------------------------------------------

unix:chdir

  Data:  s-
  Addr:  -
  Float: -

Change the current working directory to the specified one.

Class: class:word | Namespace: unix | Interface Layer: rre

Example #1:

  '/etc unix:chdir

------------------------------------------------------------------------

unix:count-files-in-cwd

  Data:  -n
  Addr:  -
  Float: -

Return the number of files (and subdirectories) in the current working directory

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:exec0

  Data:  s-
  Addr:  -
  Float: -

Execute a process by running the application specified by s.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:exec1

  Data:  ss-
  Addr:  -
  Float: -

Execute a process by running the application specified by s1. Pass s2 as an argument.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:exec2

  Data:  sss-
  Addr:  -
  Float: -

Execute a process by running the application specified by s1. Pass s2 and s3 as arguments.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:exec3

  Data:  ssss-
  Addr:  -
  Float: -

Execute a process by running the application specified by s1. Pass s2, s3, and s4 as arguments.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:exit

  Data:  n-
  Addr:  -
  Float: -

Exit the current process, returning the specified return code.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:for-each-file

  Data:  q-
  Addr:  -
  Float: -

Run a quote once for each file or subdirectory in the current directory. The quote will receive the file name as a string and should consume this and return nothing on the stack.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:fork

  Data:  -n
  Addr:  -
  Float: -

Fork the current process. Returns a PID.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:get-cwd

  Data:  -s
  Addr:  -
  Float: -

Return the current working directory

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:getenv

  Data:  sa-
  Addr:  -
  Float: -

Get an environment variable. Provide the name and an address to store it in.

Class: class:word | Namespace: unix | Interface Layer: rre

Example #1:

  'SHELL s:empty [ unix:getenv ] sip s:put nl

------------------------------------------------------------------------

unix:getpid

  Data:  -n
  Addr:  -
  Float: -

Return the PID of the current process.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:io:n:put

  Data:  n-
  Addr:  -
  Float: -

Deprecated. Display a number (in base 10) to the standard output device. This is faster than `n:put`, but not portable.

Class: class:word | Namespace: unix:io | Interface Layer: rre
------------------------------------------------------------------------

unix:io:s:put

  Data:  s-
  Addr:  -
  Float: -

Deprecated. Display a string to stdout. This is faster than `s:put`, but not portable.

Class: class:word | Namespace: unix:io | Interface Layer: rre
------------------------------------------------------------------------

unix:kill

  Data:  nn-
  Addr:  -
  Float: -

Terminates a process. Takes a process and a signal to send.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:pclose

  Data:  n-
  Addr:  -
  Float: -

Close a pipe.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:popen

  Data:  sn-n
  Addr:  -
  Float: -

Open a pipe. Takes a command to run, and a file mode (`file:R` or `file:W`; `file:R+` may work on some systems). Returns a file ID usable with words in the `file:` namespace.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:putenv

  Data:  s-
  Addr:  -
  Float: -

Takes a string in the form `name=value` and sets an environment variable named `name` to `value`.

Class: class:word | Namespace: unix | Interface Layer: rre

Example #1:

  'EDITOR=vi unix:putenv

------------------------------------------------------------------------

unix:sleep

  Data:  n-
  Addr:  -
  Float: -

Sleep for the specified number of seconds.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:slurp-pipe

  Data:  as-n
  Addr:  -
  Float: -

Open a pipe. Read all output from the pipe (until ASCII:NULL) and store in the specified buffer. Return the number of bytes read.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:system

  Data:  s-
  Addr:  -
  Float: -

Runs another application using the system shell and returns after execution is completed.

Class: class:word | Namespace: unix | Interface Layer: rre

Example #1:

  'ls_-lh_/etc unix:system

------------------------------------------------------------------------

unix:time

  Data:  -n
  Addr:  -
  Float: -

Return a timestamp.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:wait

  Data:  -n
  Addr:  -
  Float: -

Waits for a child process to complete. This maps to the wait() system call.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

unix:write

  Data:  sh-
  Addr:  -
  Float: -

Deprecated. Write a string to the specified file handle.

Class: class:word | Namespace: unix | Interface Layer: rre
------------------------------------------------------------------------

until

  Data:  q-
  Addr:  -
  Float: -

Execute quote repeatedly while the quote returns a value of `FALSE`. The quote should return a flag of either `TRUE` or `FALSE`, though `until` will treat any non-zero value as `TRUE`.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #10 [ dup n:put nl n:dec dup n:zero? ] until

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v:dec

  Data:  a-
  Addr:  -
  Float: -

Decrement the value stored at the specified address by 1.

Class: class:word | Namespace: v | Interface Layer: all
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v:dec-by

  Data:  na-
  Addr:  -
  Float: -

Decrement the value stored at the specified address by the specified value.

Class: class:word | Namespace: v | Interface Layer: all
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v:inc

  Data:  a-
  Addr:  -
  Float: -

Increment the value stored at the specified address by 1.

Class: class:word | Namespace: v | Interface Layer: all
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v:inc-by

  Data:  na-
  Addr:  -
  Float: -

Increment the value stored at the specified address by the specified value.

Class: class:word | Namespace: v | Interface Layer: all
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v:limit

  Data:  alu-
  Addr:  -
  Float: -

Fetch the value stored at the address, then run `n:limit` against it, using the specified lower and upper bounds. Then store the resulting value back to the original address.

Class: class:word | Namespace: v | Interface Layer: all
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v:off

  Data:  a-
  Addr:  -
  Float: -

Set a variable to 0.

Class: class:word | Namespace: v | Interface Layer: all
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v:on

  Data:  a-
  Addr:  -
  Float: -

Set a variable to -1.

Class: class:word | Namespace: v | Interface Layer: all
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v:preserve

  Data:  aq-
  Addr:  -
  Float: -

Make a copy of the value at the address, then run the quote. Once the quote completes, restore the address to the specified value.

Class: class:word | Namespace: v | Interface Layer: all
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v:update

  Data:  aq-
  Addr:  -
  Float: -

Fetch a value from the specified address, then run the quotation with this value on the stack. Afterwards, store the returned value at the original address.

Class: class:word | Namespace: v | Interface Layer: all
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var

  Data:  s-
  Addr:  -
  Float: -

Create a variable. The variable is initialized to 0.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    'Base var

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var<n>

  Data:  ns-
  Addr:  -
  Float: -

Create a variable with the specified initial value.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #10 'Base var<n>


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while

  Data:  q-
  Addr:  -
  Float: -

Execute quote repeatedly while the quote returns a `TRUE` value. The quote should return a flag of either `TRUE` or `FALSE`, though `while` will treat any non-zero value as `TRUE`.

Class: class:word | Namespace: global | Interface Layer: all

Example #1:

    #10 [ dup n:put nl n:dec dup n:-zero? ] while

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xor

  Data:  mn-o
  Addr:  -
  Float: -

Perform a bitwise XOR operation.

Class: class:primitive | Namespace: global | Interface Layer: all
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{

  Data:  -
  Addr:  -
  Float: -

Begin an array. This is intended to make creating arrays a bit cleaner than using a quotation and `a:counted-results`.

Class: class:word | Namespace: global | Interface Layer: all
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{{

  Data:  -
  Addr:  -
  Float: -

Begin a lexically scoped area.

Class: class:word | Namespace: global | Interface Layer: all
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}

  Data:  -a
  Addr:  -
  Float: -

Complete an array begun by `{`. Returns a pointer to the data.

Class: class:word | Namespace: global | Interface Layer: all
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}as

  Data:  f-
  Addr:  -
  Float: -

End an assembly section.

Class: class:macro | Namespace: global | Interface Layer: all
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}}

  Data:  -
  Addr:  -
  Float: -

End a lexically scoped area. This will hide any headers between `{{` and `---reveal---`, leaving only headers between `---reveal---` and the `}}` visible.

Class: class:word | Namespace: global | Interface Layer: all
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