*/mod xyz-rv - - Multiply `x` by `y` and then divide by `z` and return the integer part of the quotient and remainder. class:word {n/a} {n/a} global rre
-eq? nn-f - - Compare two values for inequality. Returns `TRUE` if they are not equal or `FALSE` otherwise. class:primitive #1 #2 -eq?\n $a $b -eq? {n/a} global all
0; n-n || n- - - If `n` is zero, drop `n` and exit the current word. If non-zero, leave `n` alone and allow execution to continue. class:macro {n/a} {n/a} global all
FREE -n - - 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:word {n/a} {n/a} global all
RewriteUnderscores -a - - Variable. When set to `TRUE`, Retro will replace underscores in strings with spaces. When `FALSE`, Retro does not. class:data {n/a} {n/a} global all
STRINGS -a - - Return the address of the start of the temporary string pool. This can be altered by changing the values of `TempStrings` and `TempStringMax`. class:word {n/a} {n/a} global all
a:-eq? aa-f - - 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:word {n/a} {n/a} a all
a:contains-string? sa-f - - Deprecated. Use `a:contains/string?` instead. Return `TRUE` if the string value is in the array or `FALSE` otherwise. class:word {n/a} {n/a} a all
a:contains/string? sa-f - - Return `TRUE` if the string value is in the array or `FALSE` otherwise. class:word {n/a} {n/a} a all
a:counted-results q-a - - 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:word {n/a} {n/a} a all
a:dup a-b - - Make a copy of an array. Return the address of the copy. class:word {n/a} {n/a} a all
a:eq? aa-f - - 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:word {n/a} {n/a} a all
a:filter aq-b - - 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:word {n/a} {n/a} a all
a:index-of an-n - - Deprecated. Use `a:index` instead. Return the location of the first instance of the specified value in the array. class:word {n/a} {n/a} a all
a:index-of-string as-n - - Deprecated. Use `a:index/string` instead. Return the location of the first instance of the specified string in the array. class:word {n/a} {n/a} a all
a:index/string as-n - - Return the location of the first instance of the specified string in the array. class:word {n/a} {n/a} a all
a:make q-a - - Execute quote. Return a new array containing the values the quote leaves on the stack. This is identical to doing `a:counted-results class:word {n/a} {n/a} a all
a:map aq-b - - Execute quote once for each item in the array. Constructs a new array from the value returned by the quote. class:word {n/a} {n/a} a all
a:middle afl-a - - 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:word {n/a} {n/a} a all
a:reduce pnq-n - - 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:word {n/a} {n/a} a all
a:reverse a-b - - Reverse the order of items in a array. This will return a new array. class:word {n/a} {n/a} a all
a:to-string a-s - - Create a new string from the provided array of character values. This string will be stored in the temporal string buffers. class:word { $h $e $l $l $o } a:to-string s:put nl {n/a} a all
case nmq- || nmq-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:word {n/a} {n/a} global all
choose fqq- - - 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:word {n/a} {n/a} global all
class:data n- || n-n - - Class handler for data structures. Keep the address or value on the stack. Compile the value or address as a literal into the current definition. class:word {n/a} {n/a} class all
class:macro a- - - Class handler for compiler macros (immediate words) Execute the function at the provided address. Execute the function at the provided address. class:word {n/a} {n/a} class all
class:primitive a- - - Class handler for primitive words (words which map to Nga instructions) Execute the function. Compile the machine code in the definiton into the current definition. class:word {n/a} {n/a} class all
class:word a- - - Class handler for normal words. Execute the function at the provided address. Compile a call to the specified address into the current definition. class:word {n/a} {n/a} class all
clock:second -n - - Return the current second. This will be in the range of 0-59, inclusive. class:word {n/a} {n/a} clock iOS, rre
clock:timestamp -n - - Return a host specific timestamp. In the standard system, this is a 32-bit Unix timestamp, but this is not required. class:word {n/a} {n/a} clock rre
clock:utc:day -n - - Return the current day in UTC. class:word {n/a} {n/a} clock iOS, rre
clock:utc:hour -n - - Return the current hour in UTC. class:word {n/a} {n/a} clock iOS, rre
clock:utc:minute -n - - Return the current minute in UTC. class:word {n/a} {n/a} clock iOS, rre
clock:utc:month -n - - Return the current month in UTC. class:word {n/a} {n/a} clock iOS, rre
clock:utc:second -n - - Return the current second in UTC. class:word {n/a} {n/a} clock iOS, rre
clock:utc:year -n - - Return the current year in UTC. class:word {n/a} {n/a} clock iOS, rre
comma n- - - Store the specified value into the memory at `here` and increment `Heap` by 1. Identical to `,`, this is provided for compatibility with the RetroForth on ilo and napia. class:word $a , $b , $c , #0 , {n/a} global all
core:init n- - - Clear the internal state of core `n`. This should be done prior to use of `core:start`, which activates processing on the core. class:word {n/a} {n/a} core rre
d:add-header saa- - - Vectored. 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:word {n/a} {n/a} d all
d:create s- - - 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:word {n/a} {n/a} d all
d:for-each q- - - 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:word {n/a} {n/a} d all
d:lookup s-d - - 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:word {n/a} {n/a} d all
d:lookup-xt a-d - - 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:word {n/a} {n/a} d all
d:name d-s - - Given a dictionary header, return the name field. class:word {n/a} {n/a} d all
d:set-source ss- - - Set the `d:source` field of the header for the named word (s2) to string (s1). The string will not be duplicated. class:word {n/a} {n/a} d rre
d:words-beginning-with s- - - Display a list of all named items in the `Dictionary` that begin with the provided substring. class:word {n/a} {n/a} d rre
depth -n - - Return the number of items on the stack. class:word {n/a} {n/a} global all
dip nq-n - - Temporarily remove n from the stack, execute the quotation, and then restore n to the stack. class:word {n/a} {n/a} global all
does q- - - Attach an action to the most recently created word. This is used in a manner similar to CREATE/DOES> in traditional Forth. class:word {n/a} {n/a} global all
double:dip mnq-mn - - Temporarily remove m and n from the stack, execute the quotation, and then restore m and n to the stack. class:word {n/a} {n/a} global all
eq? nn-f - - Compare two values for equality. Returns `TRUE` if they are equal or `FALSE` otherwise. class:primitive #1 #2 eq?\n $a $b eq? {n/a} global all
f:-eq? -f - FF- Compare two floating-point values for inequality. Returns `TRUE` if they are not equal or `FALSE` otherwise. class:word {n/a} {n/a} f rre
f:-inf? -f - F- Return `TRUE` if floating-point value is -INF or `FALSE` otherwise. class:word {n/a} {n/a} f rre
f:/ - - FF-F Divide floating-point value F1 by F2. class:word {n/a} {n/a} f rre
f:E - - -F Return the floating-point value for Euler's number. class:word {n/a} {n/a} f rre
f:between? -f - 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:word .3 .1 .100 f:between?\n .100 .200 .300 f:between? {n/a} f rre
f:case q- - 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:word {n/a} {n/a} f rre
f:limit - - 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:word .-10 .5 .8 f:limit\n .10 .1 .15 f:limit {n/a} f rre
file:open sm-h - - Open a named file (s) with the given mode (m). Returns a handle identifying the file. class:word '/etc/motd file:R file:open {n/a} file rre
file:spew ss- - - Given a string (s1) and a file name (s2), write the string into the file, replacing any existing content. class:word {n/a} {n/a} file rre
gopher:get asns-n - - 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:word here 'forthworks.com #70 '/ gopher:get\n here s:put {n/a} gopher ios
hook - - - Add a hook point into the current word. This should only be used as the first word in a definition. class:macro :foo hook ; :bar hook (default_action: n:square n:put nl ; global global
indexed-times nq- - - Run a quote the specified number of times, tracking the loop index in `I`. This is less efficient than `times`, so if the index is not needed, this should be avoided. class:word {n/a} {n/a} global all
io:enumerate -n - - Return the number of I/O devices. class:word {n/a} {n/a} io all
io:invoke n- - - Invoke an interaction with an I/O device. class:word {n/a} {n/a} io all
io:query n-mN - - Ask an I/O device to identify itself. Returns a version (m) and device ID (N). class:word {n/a} {n/a} io all
io:scan-for n-m - - Scan the I/O devices for a device with a specified ID. Returns the device number, or -1 if not found. class:word {n/a} {n/a} io all
n:between? nlu-f - - Return TRUE if number is between the lower (l) and upper (u) bounds. If not, return FALSE. This is inclusive of the limits. class:word #3 #1 #100 n:between?\n $q $a $b n:between? {n/a} n all
n:dec n-m - - Decrement n by one. class:word #100 n:dec {n/a} n all
n:even? n-f - - Return `TRUE` if number is even, or `FALSE` if not. class:word #12 n:even?\n #11 n:even? {n/a} n all
n:inc n-m - - Increment n by one. class:word #100 n:inc {n/a} n all
n:limit 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:word #-10 #5 #8 n:limit\n #10 #1 #15 n:limit {n/a} n all
n:max mn-o - - Return the greater of two values. class:word #1 #7 n:max\n #-8 #-10 n:max {n/a} n all
n:min mn-o - - Return the lesser of two values. class:word #1 #7 n:min\n #-8 #-10 n:min {n/a} n all
parse-until q-s - - Read input from stdin (via `c:get`) until the returned character is matched by the quote. Returns a string. class:word :read-until-period (-s)\n [ $. eq? ] parse-until ; {n/a} all rre
push n- -n - Move a value from the data stack to the return stack. class:macro {n/a} {n/a} global all
r s- - - Lookup a reference by name and inline its pointer to the current assembly segment. class:word {n/a} {n/a} global all
reclass a- - - Change the class handler of the most recently defined word to the specified one. class:word {n/a} {n/a} global all
reorder ...ss-? - - Restructure the order of items on the stack. class:word {n/a} {n/a} global all
repeat - - - Begin an unconditional loop. class:macro {n/a} {n/a} global all
reset ...- - - Remove all items from the stack. class:word {n/a} {n/a} global all
rot abc-bca - - Rotate the top three values. class:word {n/a} {n/a} global all
s, s- - - Compile the code needed to push a string pointer to the stack and inline the string data into the current definition. class:word {n/a} {n/a} global all
s:case sSq- || sSq-s - - 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:word {n/a} {n/a} s all
s:const ss- - - Create a constant named s2, returning a pointer to s1. This will use `s:keep` to preserve the original string. class:word {n/a} {n/a} s all
s:contains-char? sc-f - - Deprecated. Use `s:contains/char?` instead. Return `TRUE` if the character is present in the string or `FALSE` otherwise. class:word {n/a} {n/a} s all
s:contains-string? ss-f - - Deprecated. Use `s:contains/string?` instead. Return `TRUE` if the second string is present in the first string or `FALSE` otherwise. class:word {n/a} {n/a} s all
s:contains/char? sc-f - - Return `TRUE` if the character is present in the string or `FALSE` otherwise. class:word {n/a} {n/a} s all
s:contains/string? ss-f - - Return `TRUE` if the second string is present in the first string or `FALSE` otherwise. class:word {n/a} {n/a} s all
s:dedup s-s - - Return a deduplicated version of the string. class:word {n/a} {n/a} s rre
s:dedup.data -a - - Variable. Holds a pointer to the deduplication list. class:word {n/a} {n/a} s rre
s:dedup.defined? s-f - - Check to see if a string is in the deduplication list. class:word {n/a} {n/a} s rre
s:dedup.find s-s - - Return a pointer to a deduplicated copy of a string. If the string is not in the deduplication list, this will cause errors. class:word {n/a} {n/a} s rre
s:dedup.register s- - - Add a string to the deduplication list. class:word {n/a} {n/a} s rre
s:eq? ss-f - - Compare two strings for equality. Return `TRUE` if identical or `FALSE` if not. class:word 'hello 'again s:eq?\n 'test 'test s:eq? {n/a} s all
s:filter sq-s - - 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:word {n/a} {n/a} s all
s:index-of sc-n - - Deprecated. Use `s:index/char` instead. Return the location of the first instance of the specified character in the string. class:word {n/a} {n/a} s all
s:index-of-string ss-n - - Derpecated. Use `s:index/string` instead. Return the location of the first instance of the specified substring (s2) in the string (s1). Returns -1 if not found. class:word {n/a} {n/a} s all
s:index/char sc-n - - Return the location of the first instance of the specified character in the string. class:word {n/a} {n/a} s all
s:index/string ss-n - - Return the location of the first instance of the specified substring (s2) in the string (s1). Returns -1 if not found. class:word {n/a} {n/a} s all
s:keep s-s - - Store a string into the heap and return a pointer to the start of it. class:word {n/a} {n/a} s all
s:left sn-s - - Return a new string containing the first `n` characters from the source string. class:word {n/a} {n/a} s all
s:length s-n - - Return the number of characters in a string, excluding the NULL terminator. class:word {n/a} {n/a} s all
s:map sq-s - - 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:word {n/a} {n/a} s all
s:prepend ss-s - - Return a new string consisting of s2 followed by s1. class:word {n/a} {n/a} s all
s:split sc-ss - - Deprecated. Use `s:split/char` instead. Split a string on the first occurrence of the specified character. class:word {n/a} {n/a} s all
s:split-on-string ss-ss - - Deprecated. Use `s:split/string` instead. Split a string on the first occurrence of the specified string. After the split, the top stack item will be the part of the string before the specified substring, and the second item will be the rest of the original string. class:word 'Hello_Brave_World! 'Brave s:split-on-string s:put nl s:put nl {n/a} s all
s:split/string ss-ss - - Split a string on the first occurrence of the specified string. After the split, the top stack item will be the part of the string before the specified substring, and the second item will be the rest of the original string. class:word 'Hello_Brave_World! 'Brave s:split-on-string s:put nl s:put nl {n/a} s all
s:substr sfl-s - - Extract a substring from the specified string. This will take the characters starting at `f` and extend `l` characters in length. class:word {n/a} {n/a} s all
s:temp s-s - - Move a string into the temporary string buffers. class:word {n/a} {n/a} s all
s:tokenize sc-a - - 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:word {n/a} {n/a} s all
s:tokenize-on-string ss-a - - 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:word {n/a} {n/a} s all
script:abort-include - - - Discard remaining tokens on the current line being evaluated. This only works when including a file, not at the interpreter. class:word {n/a} {n/a} sys rre
script:arguments -n - - Return the number of arguments passed to the program. class:word {n/a} {n/a} sys rre
script:current-file -s - - Return the filename of the file being processed by the current `include`, or `/dev/stdin` if the input source is the terminal. class:word {n/a} {n/a} sys rre
script:current-line -n - - Return the current line number of the file being processed by the current `include`, or `0` if the input source is the terminal. Line numbering starts at 1. class:macro {n/a} {n/a} script rre
script:get-argument n-s - - Given an argument number, return the argument as a string. class:word {n/a} {n/a} script rre
script:ignore-to-eof - - - Discard remaining lines in the file currently being evaluated. This only works when including a file, not at the interpreter. class:word {n/a} {n/a} script rre
script:ignore-to-eol - - - Discard remaining tokens in the current line. This only works when including a file, not at the interpreter. class:word {n/a} {n/a} script rre
script:name -s - - Return the filename of the program being run. class:word {n/a} {n/a} script rre
shift mn-o - - 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:primitive {n/a} {n/a} global all
sigil:! ns- - - Store a value into a variable. Store a value into the named variable. Compile the code to store a value into a named variable. class:macro {n/a} {n/a} sigil all
sigil:# s-n - - Process token as a number. Convert the string into a number and leave on the stack. Convert the string into a number and compile into the current definition as a literal. class:macro {n/a} {n/a} sigil all
sigil:$ s-c - - Process token as an ASCII character. Fetch first character from string. Leave on stack. Fetch first character from the string. Compile into the current definition as literal. class:macro {n/a} {n/a} sigil all
sigil:& s-a - - Return a pointer to a named item. If name is not found, returns 0. Lookup name in dictionary, return contents of the xt field on the stack. Lookup name in dictionary, compile code to push the contents of the xt field into the current definition. class:macro {n/a} {n/a} sigil all
sigil:' s-s - - Process token as a string. Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Then compile the string into the current definition. class:macro {n/a} {n/a} sigil all
sigil:( s- - - Process token as a comment. Discard the string. Discard the string. class:macro {n/a} {n/a} sigil all
sigil:. s- - -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:macro {n/a} {n/a} sigil rre
sigil:: s- - - Hook. Process token as a new definition. Create a header pointing to `here` with the provided string as the name. Sets class to `class:word`. class:macro {n/a} {n/a} sigil all
sigil:@ s-n - - Fetch from a stored variable. Fetch a value from a named variable. Compile the code to fetch a value from a named variable into the current definition. class:macro {n/a} {n/a} sigil all
sigil:\ s- - - Process token as an instruction bundle. Discard the string. Assemble the opcodes in the string and use `,` to inline it into the current definition. class:macro {n/a} {n/a} sigil all
sigil:^ s- - - Process token as a function reference. Discard the string. Comma the XT of the word into the current definition. class:macro {n/a} {n/a} sigil all
sigil:` s- - - Process token as a bytecode. Discard the string. Convert the string to a number and use `,` to inline it into the current definition. class:macro {n/a} {n/a} sigil all
sigil:| s- - - POSTPONE equivalent. Discard the string. Convert the string to a number and use `,` to inline it into the current definition. class:macro {n/a} {n/a} sigil all
socket:bind sn-nn - - Bind a socket to a port. The port should be a string. Returns 0 if successful or -1 otherwise and an error code. class:word {n/a} {n/a} socket rre
socket:close n- - - Close a socket. class:word {n/a} {n/a} socket rre
socket:configure ss- - - Configure internal settings for a host (s1) and port (s2). Use before `socket:bind`. class:word {n/a} {n/a} socket rre
socket:connect n-nn - - Connect to a server. Provide a socket, this will return a status flag and an error code. class:word {n/a} {n/a} socket rre
socket:create -n - - Obtain a new socket. class:word {n/a} {n/a} socket rre
socket:gethostbyname as- - - 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:word {n/a} {n/a} socket rre
socket:listen nn-nn - - Prepare a socket for accepting incoming connections. Takes a backlog count (n1) and a socket (n2). Returns a flag (0 success, -1 failed) and an error code. class:word {n/a} {n/a} socket rre
socket:recv ann-nn - - 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:word {n/a} {n/a} socket rre
socket:send sn-nn - - Send a string to a socket. This will return the number of characters sent and an error code. class:word {n/a} {n/a} socket rre
unhook a- - - Reset the hook point in a1 to the default definition. class:word :foo hook #1 ;\n :bar #2 ;\n &bar &foo set-hook\n &foo unhook {n/a} global all
unix:execute s- - - Runs another application and return after execution is completed. This does not invoke the shell like `unix:system` and does not support globbing. class:word 'ls_-lh_/etc unix:system {n/a} unix rre
unix:for-each-file q- - - 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:word {n/a} {n/a} unix rre
unix:getenv sa- - - Get an environment variable. Provide the name and an address to store it in. class:word 'SHELL s:empty [ unix:getenv ] sip s:put nl {n/a} unix rre
unix:pipe s- - - Takes a string with a Unix command line and run it in a pipe, returning a new string with the first line of the output from the pipe. class:word 'ls_-l unix:pipe s:put nl {n/a} unix rre
unix:popen sn-n - - 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:word {n/a} {n/a} unix rre
unix:putenv s- - - Takes a string in the form `name=value` and sets an environment variable named `name` to `value`. class:word 'EDITOR=vi unix:putenv {n/a} unix rre
unix:slurp-pipe as-n - - 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:word {n/a} {n/a} unix rre
unix:system s- - - Runs another application using the system shell and returns after execution is completed. class:word 'ls_-lh_/etc unix:system {n/a} unix rre
unsigned:* nn-n - - Multiply `n1` by `n2` and return the result. class:word #2 #6 unsigned:*\n #-1 #100 unsigned:* {n/a} unsigned all
unsigned:*/mod xyz-rv - - Multiply `x` by `y` and then divide by `z` and return the integer part of the quotient and remainder. class:word {n/a} {n/a} global rre
unsigned:+ nn-n - - Add `n1` to `n2` and return the result. class:word #1 #2 unsigned:+ {n/a} unsigned all
unsigned:- nn-n - - Subtract `n2` from `n1` and return the result. class:word #2 #1 unsigned:- {n/a} unsigned all
unsigned:-eq? nn-f - - Compare two values for inequality. Returns `TRUE` if they are not equal or `FALSE` otherwise. class:word #1 #2 unsigned:-eq?\n $a $b unsigned:-eq? {n/a} unsigned all
unsigned:/mod nm-rv - - Divide `n` by `m` and return the integer part of the quotient and remainder. class:word {n/a} {n/a} unsigned all
unsigned:eq? nn-f - - Compare two values for equality. Returns `TRUE` if they are equal or `FALSE` otherwise. class:word #1 #2 unsigned:eq?\n $a $b unsigned:eq? {n/a} unsigned all
unsigned:gt? nn-f - - Compare n1 and n2. Return `TRUE` if n1 is greater than n2, or `FALSE` otherwise. class:word {n/a} {n/a} unsigned all
unsigned:lt? nn-f - - Compare n1 and n2. Return `TRUE` if n1 is less than n2, or `FALSE` otherwise. class:word {n/a} {n/a} unsigned all
unsigned:shift mn-o - - 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:word {n/a} {n/a} unsigned all
until q(-f)- - - 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:word #10 [ dup n:put nl n:dec dup n:zero? ] until {n/a} global all
v:dec a- - - Decrement the value stored at the specified address by 1. class:word {n/a} {n/a} v all
v:dec-by na- - - Decrement the value stored at the specified address by the specified value. class:word {n/a} {n/a} v all
v:inc a- - - Increment the value stored at the specified address by 1. class:word {n/a} {n/a} v all
v:inc-by na- - - Increment the value stored at the specified address by the specified value. class:word {n/a} {n/a} v all
v:limit alu- - - 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:word {n/a} {n/a} v all
v:off a- - - Set a variable to 0. class:word {n/a} {n/a} v all
v:on a- - - Set a variable to -1. class:word {n/a} {n/a} v all
v:preserve aq- - - 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:word {n/a} {n/a} v all
v:update aq- - - 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:word {n/a} {n/a} v all
w:fetch a-n - - Fetch the 32-bit value stored at the specified address. Addressing for this is in 8-bit units. The address must be aligned on a four byte boundary. class:word {n/a) {n/a} global all
w:store na- - - Store an 32-bit value into the specified address. Addressing for this is in 8-bit units. The address must be aligned on a four byte boundary. class:word {n/a} {n/a} global all
while q(-f)- - - 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:word #10 [ dup n:put nl n:dec dup n:-zero? ] while {n/a} global all
{ - - - Begin an array. This is intended to make creating arrays a bit cleaner than using a quotation and `a:counted-results`. class:word {n/a} {n/a} global all
}} - - - End a lexically scoped area. This will hide any headers between `{{` and `---reveal---`, leaving only headers between `---reveal---` and the `}}` visible. class:word {n/a} {n/a} global all