+

  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 ,

---reveal---

  Data:  -
  Addr:  -
  Float: -

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

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

;

  Data:  -
  Addr:  -
  Float: -

End the current definition.

Class: class:macro | 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: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:length

  Data:  a-n
  Addr:  -
  Float: -

Return the length of a array.

Class: class:word | Namespace: a | 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

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

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

dup

  Data:  n-nn
  Addr:  -
  Float: -

Duplicate the top item on the stack.

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

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

here

  Data:  -a
  Addr:  -
  Float: -

Return the next free address in memory.

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

n:dec

  Data:  n-m
  Addr:  -
  Float: -

Decrement n by one.

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

Example #1:

    #100 n:dec

reorder

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

Restructure the order of items on the stack.

Class: class:word | Namespace: global | 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

sip

  Data:  nq(?n-?)-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

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

{{

  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:  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: -

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