GENWiki

     The MUF Cheat-Sheet, as seen by Sammael (Arthur, The., etc)
                            -or-
         Reference manual for MUCK Forth ("MUF")  -terse

                                               v2.2 August 4, 1990

ENTERING EDITING MODE

@prog <program name>	(creates a new program if none match)
@edit <program name or number>

EDITING COMMANDS

<number> i				insert before <number>
.					exit insert mode
c					compile
<number1> <number2> l			list
<number1> <number2> d			delete
<letter> <letter>   a			show macros (abridged)
<letter> <letter>   s			show macros (long)
<program#> v				view program header
h					help on edit mode
u					uncompile
q					quit editor mode

PRIMITIVE TERMINOLOGY

v					type variable
d					type dbref
i					type int (boolean)
s					type string
a					type address (word)

SYNTAX

( ... )					commments
      :					begin user-def word
      ;					end user-def word
var <VARNAME>				variable declaration

      if 		( i -- )
else		( -- )
      then 		( -- )
      exit 		( -- )
execute		( a -- ??? )
pop 		( x -- )
dup 		( x -- x x )
swap 		( x y -- y x )
over		( x y -- x y x )
rot		( x y z -- y z x )
rotate		( ni ... n1 i -- n(i-1) ... n1 ni )
pick		( ni ... n1 i -- n1 ni )
put		( ni ... n1 x i -- x ... n1 )

      !		( x v -- )		store value x in var v.
					value may be any type data
      @ 		( v -- x )		fetch value x from var v
atoi 		( s -- i )		string --> integer
      intostr 	( i -- s )		integer || dbref --> string
dbref 		( i -- d )		integer --> dbref
int 		( x -- i )		VAR || object --> integer
variable 	( i -- v )		integer --> VAR ref

+ - * / %	( i1 i2 -- i )   	
      < > = <= >= 	( i1 i2 -- i )
strcmp,
         stringcmp    ( s1 s2 -- i ) 		strcmp == case sens.
strncmp		( s1 s2 n -- i )	compares only n letters
number? 	( s -- i )
dbcmp		( d1 d2 -- i )
      and  or 	( i1 i2 -- i )
      not 		( i -- i' )

strlen		( s -- i )
strcat 		( s1 s2 -- s )
instr		( s1 s2 -- i )		finds string s2 within s1
strcut		( s i -- s1 s2 )	cuts string at pos. i
explode 	( s1 s2 -- ... i )      s2 is the partition, len >0
subst 		( s1 s2 s3 -- s )	string, replacement, tobesub
pronoun_sub	( d s -- s' )		does % subs a la osucc/ofail

read 		( -- s )
notify 		( d s -- )		player, message 
notify_except 	( d1 d2 s -- ) 		place, player, message 
      pennies 	( d -- i )
addpennies 	( d i -- ) 		player, pennies
      random 		( -- i )

getpropval 	( d s -- i )		zero if none
getpropstr 	( d s -- s )		"" if none
addprop 	( d s1 s2 i -- )	ignores i unless s2 is ""
remove_prop 	( d s -- )

desc, name, succ,
      fail, drop, osucc,
      ofail, odrop:		( d -- s )	retrieve message

setname, setdesc,
      setsucc, setfail,
      setdrop, setosucc,
      setofail:        	( d s -- )	set message

      player?, thing?,
      room?, program?,
exit?, ok?:		( d -- i )	boolean

location 		( d -- d' )
owner			( d -- d' )
      moveto          	( d1 d2 -- )	moves d1 to d2
set 			( d s -- )	object, string (flag)
flag?			( d s -- i )	object, string, boolean
call 			( d -- ??? )	call remote program
match 			( s -- d )	thing, dbref (#-1 = NOTHING,
					#-2 = AMBIGUOUS, #-3 = HOME)
rmatch			( d s -- d )	object, thing, dbref           
      copyobj 		( d -- d' )	returns dbref of new object
contents 		( d -- ... i )	returns stack of dbrefs and i