ANS Forth - StrongForth Cross Reference

Core Word Set

ANS Forth	StrongForth	Remarks
!	!	Overloaded.
#	#
#>	#>
#S	#S
'	'	Returns a definition instead of an execution token.
(	\	Extended semantics. Use ( for stack diagrams only.
*	*	Overloaded.
*/	*/	Overloaded.
*/MOD	*/MOD	Overloaded.
+	+	Overloaded. Performs address arithmetic.
+!	+!	Overloaded. Performs address arithmetic.
+LOOP	+LOOP	Overloaded. Performs address arithmetic.
,	,	Overloaded for SINGLE and DOUBLE.
-	-	Overloaded. Performs address arithmetic.
.	.	Overloaded.
."	."	State-smart.
/	/	Overloaded.
/MOD	/MOD	Overloaded.
0<	0<	Overloaded.
0=	0=	Overloaded.
1+	1+	Overloaded. Performs address arithmetic.
1-	1-	Overloaded. Performs address arithmetic.
2!	!	Can only be applied to double-cell items, but not to pairs of single-cell items.
2*	2*	Overloaded. Can only be applied to numbers.
	LSHIFT	Overloaded. Can only be applied to logical values.
2/	2/	Overloaded. Can only be applied to numbers.
	RSHIFT	Overloaded. Can only be applied to logical values.
2@	@	Can only be applied to double-cell items, but not to pairs of single-cell items.
2DROP	DROP	Can only be applied to double-cell items, but not to pairs of single-cell items.
2DUP	DUP	Can only be applied to double-cell items, but not to pairs of single-cell items.
2OVER	OVER	Can only be applied to double-cell items, but not to pairs of single-cell items.
2SWAP	SWAP	Can only be applied to double-cell items, but not to pairs of single-cell items.
:	:
;	;
<	<	Overloaded.
<#	<#
=	=	Overloaded.
>	>	Overloaded.
>BODY	>BODY	Applied to a definition instead of an execution token.
>IN	>IN
>NUMBER	>NUMBER
>R	>R	Creates and initializes a local R@.
?DUP		Not implemented.
@	@	Overloaded.
ABORT	ABORT	As specified in the Exception word set.
ABORT"	ABORT"	As specified in the Exception word set.
ABS	ABS	Overloaded. Only for signed numbers.
ACCEPT	ACCEPT
ALIGN	ALIGN
ALIGNED	ALIGNED
ALLOT	ALLOT
AND	AND
BASE	BASE
BEGIN	BEGIN
BL	BL	.
C!	!
C,	C,
C@	@
CELL+	1+	For data type ADDRESS -> SINGLE.
CELLS	CELLS
CHAR	CHAR
CHAR+	1+	For data type CADDRESS.
CHARS	CHARS
CONSTANT	CONSTANT
COUNT		Not implemented, because counted strings are not supported.
CR	CR
CREATE	CREATE
DECIMAL	DECIMAL
DEPTH	DEPTH	Returns the number of basic data types on the data type heap.
DO	DO	Dynamically creates I as a local.
DOES>	DOES>	Must be followed by a stack diagram.
DROP	DROP	Overloaded.
DUP	DUP	Overloaded.
ELSE	ELSE
EMIT	EMIT
	.	Only for data type CHARACTER.
ENVIRONMENT?	ENVIRONMENT?	Returns the address of the parameter and a flag.
EVALUATE	EVALUATE
EXECUTE	EXECUTE	Individually created by )PROCREATES. Each version can only be applied to one specific subtype of TOKEN.
EXIT	EXIT
FILL	FILL	Overloaded.
FIND	SEARCH-ALL	Requires name in address-count-notation. Has two additional input parameters to specify additional search criteria. Always returns a definition and a signed number.
FM/MOD	FM/MOD
HERE	HERE
HOLD	HOLD
I	I	A local dynamically generated by DO and ?DO, and removed by LOOP and +LOOP.
IF	IF
IMMEDIATE	IMMEDIATE
INVERT	INVERT
J	J	A local dynamically generated by DO and ?DO, and removed by LOOP and +LOOP.
KEY	KEY
LEAVE	LEAVE
LITERAL	LITERAL	Overloaded.
LOOP	LOOP	Overloaded. Performs address arithmetic.
LSHIFT	LSHIFT	Overloaded with an additional version for single bit shift.
M*	M*	Overloaded.
MAX	MAX	Overloaded.
MIN	MIN	Overloaded.
MOD	MOD	Overloaded.
MOVE	MOVE	Overloaded.
NEGATE	NEGATE	Overloaded.
OR	OR
OVER	OVER	Overloaded.
POSTPONE	POSTPONE
QUIT	QUIT
R>	R>	Removes local R@.
R@	R@	A local dynamically generated by >R and removed by R>.
RECURSE	RECURSE
REPEAT	REPEAT
ROT	ROT	Overloaded.
RSHIFT	RSHIFT	Overloaded with an additional version for single bit shift.
S"	"	Name changed because counted strings are not supported.
S>D	S>D	Overloaded for signed and unsigned numbers.
SIGN	SIGN	Expects a flag.
SM/REM	SM/REM
SOURCE	SOURCE
SPACE	SPACE
SPACES	SPACES
STATE	STATE
SWAP	SWAP	Overloaded.
THEN	THEN
TYPE	TYPE	Overloaded.
U.	.
U<	<
UM*	M*
UM/MOD	UM/MOD
UNLOOP	UNLOOP
UNTIL	UNTIL
VARIABLE	VARIABLE	Requires an initialization value.
WHILE	WHILE
WORD	PARSE	Different semantics as specified in ANS Forth A.6.2.2008. WORD is not implemented because counted strings are not supported.
	PARSE-WORD
XOR	XOR
[	[
[']	[']
[CHAR]	[CHAR]
]	]

Core Extension Word Set

ANS Forth	StrongForth	Remarks
#TIB	#TIB
.(	.(
.R	.R	Overloaded.
0<>	0<>	Overloaded.
0>	0>	Overloaded.
2>R	>R	Creates and initializes a local R@. Can only be applied to double-cell items, but not to pairs of single-cell items.
2R>	R>	Removes local R@. Can only be applied to double-cell items, but not to pairs of single-cell items.
2R@	R@	A local dynamically generated by >R and removed by R>. Can only be applied to double-cell items, but not to pairs of single-cell items.
:NONAME	:NONAME	Returns a definition instead of an execution token.
<>	<>	Overloaded.
?DO	?DO
AGAIN	AGAIN
C"		Not implemented, because counted strings are not supported.
CASE	CASE
COMPILE,	COMPILE,	Applied to a definition instead of an execution token.
CONVERT		Not implemented.
ENDCASE	ENDCASE
ENDOF	ENDOF
ERASE	ERASE	Overloaded.
EXPECT		Not implemented. May be replaced by ACCEPT.
FALSE	FALSE
HEX	HEX
MARKER	MARKER
NIP	NIP	Overloaded.
OF	OF
PAD	PAD
PARSE	PARSE
PICK		Not implemented.
QUERY		Not implemented.
REFILL	REFILL
RESTORE-INPUT	RESTORE-INPUT	Requires a tuple as input parameter.
ROLL		Not implemented.
SAVE-INPUT	SAVE-INPUT	Returns always one double-cell item.
SOURCE-ID	SOURCE-ID	Implemented as a VALUE.
SPAN		Not implemented.
TIB	TIB
TO	TO
TRUE	TRUE
TUCK	TUCK	Overloaded.
U.R	.R
U>	>
UNUSED	UNUSED
VALUE	VALUE	Overloaded for single- and double-cell items.
WITHIN	WITHIN	Overloaded.
[COMPILE]	[COMPILE]
\	\	Extended semantics.

Double-Number Word Set

ANS Forth	StrongForth	Remarks
2CONSTANT	CONSTANT	Can only be applied to double-cell items, but not to pairs of single-cell items.
2LITERAL	LITERAL	Can only be applied to double-cell items, but not to pairs of single-cell items.
2VARIABLE	VARIABLE	Can only be applied to double-cell items, but not to pairs of single-cell items. Requires an initialization value.
D+	+
D-	-
D.	.
D.R	.R
D0<	0<
D0=	0=
D2*	2*	Can only be applied to numbers.
D2/	2/	Can only be applied to numbers.
D<	<
D=	=
D>S	D>S
DABS	ABS	Only for signed numbers.
DMAX	MAX
DMIN	MIN
DNEGATE	NEGATE
M*/	*/	Overloaded for signed and unsigned numbers.
M+	+

Double-Number Extension Word Set

ANS Forth	StrongForth	Remarks
2ROT	ROT	Can only be applied to double-cell items, but not to pairs of single-cell items.
DU<	<

Exception Word Set

ANS Forth	StrongForth	Remarks
CATCH	CATCH	Does not produce a different stack effect if an exception is thrown.
THROW	THROW

Exception Extension Word Set

ANS Forth	StrongForth	Remarks
ABORT	ABORT
ABORT"	ABORT"

Facility Word Set

ANS Forth	StrongForth	Remarks
AT-XY	AT-XY
KEY?	KEY?
PAGE	PAGE

Facility Extension Word Set

ANS Forth	StrongForth	Remarks
EKEY	EKEY
EKEY>CHAR	EKEY>CHAR
EKEY?	EKEY?
EMIT?	EMIT?
MS	MS
TIME&DATE	TIME&DATE

File-Access Word Set

ANS Forth	StrongForth	Remarks
(		Not implemented.
BIN	BIN
CLOSE-FILE	CLOSE
CREATE-FILE	CREATE
DELETE-FILE	DELETE
FILE-POSITION	POSITION
FILE-SIZE	SIZE
INCLUDE-FILE	INCLUDE	Overloaded.
INCLUDED	INCLUDE	Overloaded.
OPEN-FILE	OPEN
R/O	R/O
R/W	R/W
READ-FILE	READ
READ-LINE	READ-LINE
REPOSITION-FILE	REPOSITION
RESIZE-FILE	RESIZE
S"	"
SOURCE-ID	SOURCE-ID
W/O	W/O
WRITE-FILE	WRITE
WRITE-LINE	WRITE-LINE

File-Access Extension Word Set

ANS Forth	StrongForth	Remarks
FILE-STATUS	STATUS
FLUSH-FILE	FLUSH
REFILL	REFILL
RENAME-FILE	RENAME

Locals Word Set

ANS Forth	StrongForth	Remarks
(LOCAL)	(LOCAL)
TO	TO

Locals Extension Word Set

ANS Forth	StrongForth	Remarks
LOCALS|	LOCALS|

Memory-Allocation Word Set

ANS Forth	StrongForth	Remarks
ALLOCATE	ALLOCATE
FREE	FREE
RESIZE	RESIZE

Programming-Tools Word Set

ANS Forth	StrongForth	Remarks
.S	.S	Displays data types instead of stack values.
?	?
DUMP	DUMP	Overloaded.
SEE	SEE
WORDS	WORDS	Extended functionality.

Programming-Tools Extension Word Set

ANS Forth	StrongForth	Remarks
;CODE		Not implemented.
AHEAD	AHEAD
ASSEMBLER		Not implemented.
BYE	BYE
CODE		Not implemented.
CS-PICK	CS-PICK
CS-ROLL	CS-ROLL
EDITOR	EDITOR
FORGET		Not implemented.
STATE	STATE
[ELSE]	[ELSE]
[IF]	[IF]
[THEN]	[THEN]

Search-Order Word Set

ANS Forth	StrongForth	Remarks
DEFINITIONS	DEFINITIONS
FIND	SEARCH-ALL	Requires name in address-count-notation. Has two additional input parameters to specify the additional search criteria. Always returns a definition and a signed number.
FORTH-WORDLIST	FORTH-WORDLIST
GET-CURRENT	GET-CURRENT
GET-ORDER	GET-ORDER	Returns an item of data type TUPLE.
SEARCH-WORDLIST	SEARCH	Has two additional input parameters to specify the additional search criteria. Always returns a definition and a signed number.
SET-CURRENT	SET-CURRENT
SET-ORDER	SET-ORDER	Expects an item of data type TUPLE. To set the default search order, execute SET-ORDER with no parameter.
WORDLIST	WORDLIST

Search-Order Extension Word Set

ANS Forth	StrongForth	Remarks
ALSO	ALSO
FORTH	FORTH
ONLY	ONLY
ORDER	ORDER
PREVIOUS	PREVIOUS

String Word Set

ANS Forth	StrongForth	Remarks
-TRAILING	-TRAILING
/STRING	/STRING	Overloaded with an additional version for one single character.
BLANK	BLANK
CMOVE	MOVE	Overloaded. Can only be used for a move, but not for memory propagation.
CMOVE>	MOVE	Overloaded. Can only be used for a move, but not for memory propagation.
COMPARE	COMPARE	Overloaded.
SEARCH	SEARCH
SLITERAL	SLITERAL

Note: Many words have specific data type restrictions regarding their input parameters. For example, + can not be used to add an address to an integer, but an integer can be added to an address, giving an address.

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Dr. Stephan Becher - February 3rd, 2009