)

  Data:  -
  Addr:  -
  Float: -

Provide a visual indication of a code group.

Class: class:macro | Namespace: sigil | Interface Layer: all

+

  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:  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

-if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quotation if the flag is `FALSE`.

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

/

  Data:  nm-v
  Addr:  -
  Float: -

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

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

;

  Data:  -
  Addr:  -
  Float: -

End the current definition.

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

TRUE

  Data:  -n
  Addr:  -
  Float: -

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

Class: class:word | 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

abort

  Data:  -
  Addr:  -
  Float: -

Abort execution.

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

again

  Data:  -
  Addr:  -
  Float: -

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

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

call

  Data:  a-
  Addr:  -
  Float: -

Call a function.

Class: class:primitive | 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`; passing other values as flags will result in memory corruption.

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

d:create

  Data:  s-
  Addr:  -
  Float: -

Hook. 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:last

  Data:  -d
  Addr:  -
  Float: -

Return the most recent dictionary header.

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. This also sets an internal variable ('which' in retro.muri) to the header address.

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:xt

  Data:  d-a
  Addr:  -
  Float: -

Given a dictionary header, return the xt field.

Class: class:word | Namespace: d | 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

drop

  Data:  n-
  Addr:  -
  Float: -

Discard the top value on the stack.

Class: class:primitive | 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

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

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:depth

  Data:  -n
  Addr:  -
  Float: -

Return the number of items on the floating-point 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:to-e

  Data:  -e
  Addr:  -
  Float: n-

Encode the floating-point value to an integer.

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

if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quote if the flag is `TRUE`.

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

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

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: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:inc

  Data:  n-m
  Addr:  -
  Float: -

Increment n by one.

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

Example #1:

    #100 n:inc

n:put

  Data:  n-
  Addr:  -
  Float: -

Display a number.

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

nl

  Data:  -
  Addr:  -
  Float: -

Display a newline.

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

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

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

repeat

  Data:  -
  Addr:  -
  Float: -

Begin an unconditional loop.

Class: class:macro | 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: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: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

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

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

v:inc

  Data:  a-
  Addr:  -
  Float: -

Increment the value stored at the specified address by 1.

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

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

while

  Data:  q(-f)-
  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

{{

  Data:  -
  Addr:  -
  Float: -

Begin a lexically scoped area.

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

}}

  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

sigil:!

  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: sigil | Interface Layer: all

sigil:#

  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: sigil | Interface Layer: all

sigil:&

  Data:  s-a
  Addr:  -
  Float: -

Return a pointer to a named item. If name is not found, returns 0.

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: sigil | Interface Layer: all

sigil:'

  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: sigil | Interface Layer: all

sigil:(

  Data:  s-
  Addr:  -
  Float: -

Process token as a comment.

Interpret Time:
  Discard the string.

Compile Time:
  Discard the string.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil:.

  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: sigil | Interface Layer: rre

sigil::

  Data:  s-
  Addr:  -
  Float: -

Hook. 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: sigil | Interface Layer: all

sigil:@

  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: sigil | Interface Layer: all