| \ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
| \ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
| |
|
| \ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| \G Make a complete new Forth search path; the path separator is |. |
\G Make a complete new Forth search path; the path separator is |. |
| fpath path= ; |
fpath path= ; |
| |
|
| : path>counted cell+ dup cell+ swap @ ; |
: path>string cell+ dup cell+ swap @ ; |
| |
|
| : next-path ( adr len -- adr2 len2 ) |
: next-path ( adr len -- adr2 len2 ) |
| 2dup 0 scan |
2dup 0 scan |
| r> - ; |
r> - ; |
| |
|
| : previous-path ( path^ -- ) |
: previous-path ( path^ -- ) |
| dup path>counted |
dup path>string |
| BEGIN tuck dup WHILE repeat ; |
BEGIN tuck dup WHILE repeat ; |
| |
|
| : .path ( path-addr -- ) \ gforth |
: .path ( path-addr -- ) \ gforth |
| \G Display the contents of the search path @var{path-addr}. |
\G Display the contents of the search path @var{path-addr}. |
| path>counted |
path>string |
| BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ; |
BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ; |
| |
|
| : .fpath ( -- ) \ gforth |
: .fpath ( -- ) \ gforth |
| IF rdrop |
IF rdrop |
| ofile place open-ofile |
ofile place open-ofile |
| dup 0= IF >r ofile count r> THEN EXIT |
dup 0= IF >r ofile count r> THEN EXIT |
| ELSE r> path>counted |
ELSE r> path>string |
| BEGIN next-path dup |
BEGIN next-path dup |
| WHILE 5 pick 5 pick check-path |
WHILE 5 pick 5 pick check-path |
| 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN |
0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN |
| : defempty? empty? ; |
: defempty? empty? ; |
| [ELSE] |
[ELSE] |
| : defempty? ; immediate |
: defempty? ; immediate |
| |
\ : defempty? .sourcepos ; |
| [THEN] |
[THEN] |
| |
|
| \ \ -------------------- Compiler Plug Ins 01aug97jaw |
\ \ -------------------- Compiler Plug Ins 01aug97jaw |
| false DefaultValue backtrace |
false DefaultValue backtrace |
| false DefaultValue new-input |
false DefaultValue new-input |
| false DefaultValue peephole |
false DefaultValue peephole |
| |
false DefaultValue abranch |
| |
true DefaultValue f83headerstring |
| |
true DefaultValue control-rack |
| [THEN] |
[THEN] |
| |
|
| |
true DefaultValue gforthcross |
| true DefaultValue interpreter |
true DefaultValue interpreter |
| true DefaultValue ITC |
true DefaultValue ITC |
| false DefaultValue rom |
false DefaultValue rom |
| true DefaultValue standardthreading |
true DefaultValue standardthreading |
| |
|
| |
\ ANSForth environment stuff |
| |
8 DefaultValue ADDRESS-UNIT-BITS |
| |
255 DefaultValue MAX-CHAR |
| |
255 DefaultValue /COUNTED-STRING |
| |
|
| >TARGET |
>TARGET |
| s" relocate" T environment? H |
s" relocate" T environment? H |
| \ JAW why set NIL to this?! |
\ JAW why set NIL to this?! |
| |
|
| \ Variables 06oct92py |
\ Variables 06oct92py |
| |
|
| Variable image |
|
| Variable (tlast) |
Variable (tlast) |
| (tlast) Value tlast TNIL tlast ! \ Last name field |
(tlast) Value tlast TNIL tlast ! \ Last name field |
| Variable tlastcfa \ Last code field |
Variable tlastcfa \ Last code field |
| Variable bit$ |
|
| |
|
| \ statistics 10jun97jaw |
\ statistics 10jun97jaw |
| |
|
| Variable mirrored-link \ linked list for mirrored regions |
Variable mirrored-link \ linked list for mirrored regions |
| 0 dup mirrored-link ! region-link ! |
0 dup mirrored-link ! region-link ! |
| |
|
| : >rname 8 cells + ; |
: >rname 9 cells + ; |
| |
: >rtouch 8 cells + ; \ executed when region is accessed |
| : >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
| : >rmem 5 cells + ; |
: >rmem 5 cells + ; |
| : >rtype 6 cells + ; \ field per cell witch points to a type struct |
: >rtype 6 cells + ; \ field per cell witch points to a type struct |
| >r r@ last-defined-region ! |
>r r@ last-defined-region ! |
| r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
| |
|
| |
: uninitialized -1 ABORT" CROSS: Region is uninitialized" ; |
| |
|
| : region ( addr len -- "name" ) |
: region ( addr len -- "name" ) |
| \G create a new region |
\G create a new region |
| \ check whether predefined region exists |
\ check whether predefined region exists |
| save-input create restore-input throw |
save-input create restore-input throw |
| here last-defined-region ! |
here last-defined-region ! |
| over ( startaddr ) , ( length ) , ( dp ) , |
over ( startaddr ) , ( length ) , ( dp ) , |
| region-link linked 0 , 0 , 0 , 0 , bl word count string, |
region-link linked 0 , 0 , 0 , 0 , |
| |
['] uninitialized , |
| |
bl word count string, |
| ELSE \ store new parameters in region |
ELSE \ store new parameters in region |
| bl word drop |
bl word drop |
| >body (region) |
>body (region) |
| \G returns the total area |
\G returns the total area |
| dup >rstart @ swap >rlen @ ; |
dup >rstart @ swap >rlen @ ; |
| |
|
| |
: dp@ ( region -- dp ) |
| |
>rdp @ ; |
| |
|
| : mirrored ( -- ) |
: mirrored ( -- ) |
| \G mark last defined region as mirrored |
\G mark last defined region as mirrored |
| mirrored-link |
mirrored-link |
| 0 0 region address-space |
0 0 region address-space |
| \ total memory addressed and used by the target system |
\ total memory addressed and used by the target system |
| |
|
| |
0 0 region user-region |
| |
\ data for user variables goes here |
| |
\ this has to be defined before dictionary or ram-dictionary |
| |
|
| 0 0 region dictionary |
0 0 region dictionary |
| \ rom area for the compiler |
\ rom area for the compiler |
| |
|
| |
|
| ' dictionary ALIAS rom-dictionary |
' dictionary ALIAS rom-dictionary |
| |
|
| |
: setup-region ( region -- ) |
| |
>r |
| |
\ allocate mem |
| |
r@ >rlen @ allocatetarget |
| |
r@ >rmem ! |
| |
|
| |
r@ >rlen @ |
| |
target>bitmask-size allocatetarget |
| |
r@ >rbm ! |
| |
|
| |
r@ >rlen @ |
| |
tcell / 1+ cells allocatetarget r@ >rtype ! |
| |
|
| |
['] noop r@ >rtouch ! |
| |
rdrop ; |
| |
|
| : setup-target ( -- ) \G initialize target's memory space |
: setup-target ( -- ) \G initialize target's memory space |
| s" rom" T $has? H |
s" rom" T $has? H |
| WHILE dup |
WHILE dup |
| 0 >rlink - >r |
0 >rlink - >r |
| r@ >rlen @ |
r@ >rlen @ |
| IF \ allocate mem |
IF r@ setup-region |
| r@ >rlen @ allocatetarget dup image ! |
THEN rdrop |
| r@ >rmem ! |
|
| |
|
| r@ >rlen @ |
|
| target>bitmask-size allocatetarget |
|
| dup bit$ ! |
|
| r@ >rbm ! |
|
| |
|
| r@ >rlen @ |
|
| tcell / 1+ cells allocatetarget r@ >rtype ! |
|
| |
|
| rdrop |
|
| ELSE r> drop THEN |
|
| REPEAT drop ; |
REPEAT drop ; |
| |
|
| \ MakeKernel 22feb99jaw |
\ MakeKernel 22feb99jaw |
| |
|
| : makekernel ( targetsize -- ) |
: makekernel ( start targetsize -- ) |
| \G convenience word to setup the memory of the target |
\G convenience word to setup the memory of the target |
| \G used by main.fs of the c-engine based systems |
\G used by main.fs of the c-engine based systems |
| 100 swap dictionary (region) |
dictionary (region) setup-target ; |
| setup-target ; |
|
| |
|
| >MINIMAL |
>MINIMAL |
| : makekernel makekernel ; |
: makekernel makekernel ; |
| 0 >rlink - >r |
0 >rlink - >r |
| r@ >rlen @ |
r@ >rlen @ |
| IF dup r@ borders within |
IF dup r@ borders within |
| IF r> r> drop nip EXIT THEN |
IF r> r> drop nip |
| |
dup >rtouch @ EXECUTE EXIT |
| |
THEN |
| THEN |
THEN |
| r> drop |
r> drop |
| r> |
r> |
| [ [THEN] ] |
[ [THEN] ] |
| (>regionbm) swap cell/ -bit ; |
(>regionbm) swap cell/ -bit ; |
| |
|
| : (>image) ( taddr -- absaddr ) image @ + ; |
|
| |
|
| DEFER >image |
DEFER >image |
| DEFER >ramimage |
DEFER >ramimage |
| DEFER relon |
DEFER relon |
| Ghost (for) drop |
Ghost (for) drop |
| Ghost (loop) Ghost (+loop) 2drop |
Ghost (loop) Ghost (+loop) 2drop |
| Ghost (next) drop |
Ghost (next) drop |
| Ghost (does>) Ghost (compile) 2drop |
Ghost (does>) Ghost (does>1) Ghost compile, 2drop drop |
| Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
| Ghost (C") drop |
Ghost (C") Ghost c(abort") Ghost type 2drop drop |
| Ghost ' drop |
Ghost ' drop |
| |
|
| \ user ghosts |
\ user ghosts |
| : ht-string, ( addr count -- ) |
: ht-string, ( addr count -- ) |
| dup there swap last-string 2! |
dup there swap last-string 2! |
| dup T c, H bounds ?DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
| |
: ht-mem, ( addr count ) |
| |
bounds ?DO I c@ T c, H LOOP ; |
| |
|
| >TARGET |
>TARGET |
| |
|
| \ Header states 12dec92py |
\ Header states 12dec92py |
| |
|
| \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ; |
\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ; |
| bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+ |
X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+ |
| : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ; |
: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ; |
| |
|
| VARIABLE ^imm |
VARIABLE ^imm |
| dup T , H bounds ?DO I c@ T c, H LOOP ; |
dup T , H bounds ?DO I c@ T c, H LOOP ; |
| |
|
| >TARGET |
>TARGET |
| |
X has? f83headerstring [IF] |
| |
: name, ( "name" -- ) bl word count ht-string, X cfalign ; |
| |
[ELSE] |
| : name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
| |
[THEN] |
| : view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
| >CROSS |
>CROSS |
| |
|
| s" kernel.tags" r/w create-file throw value vi-tag-file-id |
s" kernel.tags" r/w create-file throw value vi-tag-file-id |
| \ contains the file-id of the tags file |
\ contains the file-id of the tags file |
| |
|
| Create tag-beg 2 c, 7F c, bl c, |
Create tag-beg 1 c, 7F c, |
| Create tag-end 2 c, bl c, 01 c, |
Create tag-end 1 c, 01 c, |
| Create tag-bof 1 c, 0C c, |
Create tag-bof 1 c, 0C c, |
| Create tag-tab 1 c, 09 c, |
Create tag-tab 1 c, 09 c, |
| |
|
| 0= |
0= |
| ELSE drop true THEN ; |
ELSE drop true THEN ; |
| |
|
| : doer? ( -- flag ) \ name |
: doer? ( "name" -- 0 | addr ) \ name |
| Ghost >magic @ <do:> = ; |
Ghost dup >magic @ <do:> = |
| |
IF >link @ ELSE drop 0 THEN ; |
| |
|
| : skip-defs ( -- ) |
: skip-defs ( -- ) |
| BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
| |
|
| Variable prim# |
Variable prim# |
| : first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
| |
: group 0 word drop prim# @ 1- -$200 and prim# ! ; |
| |
: groupadd ( n -- ) drop ; |
| : Primitive ( -- ) \ name |
: Primitive ( -- ) \ name |
| >in @ skip? IF drop EXIT THEN >in ! |
>in @ skip? IF drop EXIT THEN >in ! |
| s" prims" T $has? H 0= |
s" prims" T $has? H 0= |
| : Char ( "<char>" -- ) bl word char+ c@ ; |
: Char ( "<char>" -- ) bl word char+ c@ ; |
| Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
| |
|
| |
: (x#) ( adr len base -- ) |
| |
base @ >r base ! 0 0 name >number 2drop drop r> base ! ; |
| |
|
| |
: d# $0a (x#) ; |
| |
: h# $010 (x#) ; |
| |
|
| |
Cond: d# $0a (x#) lit, ;Cond |
| |
Cond: h# $010 (x#) lit, ;Cond |
| |
|
| tchar 1 = [IF] |
tchar 1 = [IF] |
| Cond: chars ;Cond |
Cond: chars ;Cond |
| [THEN] |
[THEN] |
| |
|
| Defer instant-interpret-does>-hook |
Defer instant-interpret-does>-hook |
| |
|
| |
T has? peephole H [IF] |
| : does-resolved ( ghost -- ) |
: does-resolved ( ghost -- ) |
| compile does-exec g>xt T a, H ; |
compile does-exec g>xt T a, H ; |
| |
[ELSE] |
| |
: does-resolved ( ghost -- ) |
| |
g>xt T a, H ; |
| |
[THEN] |
| |
|
| : resolve-does>-part ( -- ) |
: resolve-does>-part ( -- ) |
| \ resolve words made by builders |
\ resolve words made by builders |
| |
|
| >TARGET |
>TARGET |
| Cond: DOES> |
Cond: DOES> |
| compile (does>) doeshandler, |
T here 4 cells H + alit, compile (does>1) |
| resolve-does>-part |
doeshandler, resolve-does>-part |
| ;Cond |
;Cond |
| |
|
| : DOES> |
: DOES> |
| |
|
| \ User variables 04may94py |
\ User variables 04may94py |
| |
|
| Variable tup 0 tup ! |
: tup@ user-region >rstart @ ; |
| Variable tudp 0 tudp ! |
|
| |
\ Variable tup 0 tup ! |
| |
\ Variable tudp 0 tudp ! |
| |
|
| : u, ( n -- udp ) |
: u, ( n -- udp ) |
| tup @ tudp @ + T ! H |
current-region >r user-region activate |
| tudp @ dup T cell+ H tudp ! ; |
X here swap X , tup@ - |
| |
r> activate ; |
| |
|
| : au, ( n -- udp ) |
: au, ( n -- udp ) |
| tup @ tudp @ + T A! H |
current-region >r user-region activate |
| tudp @ dup T cell+ H tudp ! ; |
X here swap X a, tup@ - |
| |
r> activate ; |
| |
|
| |
T has? no-userspace H [IF] |
| |
|
| |
: buildby |
| |
ghost >exec @ built >exec ! ; |
| |
|
| |
Builder User |
| |
buildby Variable |
| |
by Variable |
| |
|
| |
Builder 2User |
| |
buildby 2Variable |
| |
by 2Variable |
| |
|
| |
Builder AUser |
| |
buildby AVariable |
| |
by AVariable |
| |
|
| |
[ELSE] |
| |
|
| Builder User |
Builder User |
| Build: 0 u, X , ;Build |
Build: 0 u, X , ;Build |
| Build: 0 au, X , ;Build |
Build: 0 au, X , ;Build |
| by User |
by User |
| |
|
| |
[THEN] |
| |
|
| Builder (Value) |
Builder (Value) |
| Build: ( n -- ) ;Build |
Build: ( n -- ) ;Build |
| by: :docon ( target-body-addr -- n ) T @ H ;DO |
by: :docon ( target-body-addr -- n ) T @ H ;DO |
| |
|
| T has? peephole H [IF] |
T has? peephole H [IF] |
| |
|
| |
\ .( loading peephole optimization) cr |
| |
|
| >CROSS |
>CROSS |
| |
|
| : (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
| |
|
| : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
| |
|
| |
X has? abranch [IF] |
| |
: branchoffset ( src dest -- ) drop ; |
| |
: offset, ( n -- ) X A, ; |
| |
[ELSE] |
| : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
| |
: offset, ( n -- ) X , ; |
| |
[THEN] |
| |
|
| : >resolve ( sys -- ) |
:noname compile branch X here branchoffset offset, ; |
| X here ( dup ." >" hex. ) over branchoffset swap X ! ; |
|
| |
|
| : <resolve ( sys -- ) |
|
| X here ( dup ." <" hex. ) branchoffset X , ; |
|
| |
|
| :noname compile branch X here branchoffset X , ; |
|
| IS branch, ( target-addr -- ) |
IS branch, ( target-addr -- ) |
| :noname compile ?branch X here branchoffset X , ; |
:noname compile ?branch X here branchoffset offset, ; |
| IS ?branch, ( target-addr -- ) |
IS ?branch, ( target-addr -- ) |
| :noname compile branch T here 0 , H ; |
:noname compile branch T here 0 H offset, ; |
| IS branchmark, ( -- branchtoken ) |
IS branchmark, ( -- branchtoken ) |
| :noname compile ?branch T here 0 , H ; |
:noname compile ?branch T here 0 H offset, ; |
| IS ?branchmark, ( -- branchtoken ) |
IS ?branchmark, ( -- branchtoken ) |
| :noname T here 0 , H ; |
:noname T here 0 H offset, ; |
| IS ?domark, ( -- branchtoken ) |
IS ?domark, ( -- branchtoken ) |
| :noname dup X @ ?struc X here over branchoffset swap X ! ; |
:noname dup X @ ?struc X here over branchoffset swap X ! ; |
| IS branchtoresolve, ( branchtoken -- ) |
IS branchtoresolve, ( branchtoken -- ) |
| |
|
| Variable tleavings 0 tleavings ! |
Variable tleavings 0 tleavings ! |
| |
|
| : (done) ( addr -- ) |
: (done) ( do-addr -- ) |
| |
\G resolve branches of leave and ?leave and ?do |
| |
\G do-addr is the address of the beginning of our |
| |
\G loop so we can take care of nested loops |
| tleavings @ |
tleavings @ |
| BEGIN dup |
BEGIN dup |
| WHILE |
WHILE |
| 0 DO dup @ swap 1 cells - LOOP |
0 DO dup @ swap 1 cells - LOOP |
| free throw ; |
free throw ; |
| |
|
| : loop] branchto, dup <resolve tcell - (done) ; |
: loop] ( target-addr -- ) |
| |
branchto, |
| |
dup X here branchoffset offset, |
| |
tcell - (done) ; |
| |
|
| : skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
| |
|
| |
|
| : ," [char] " parse ht-string, X align ; |
: ," [char] " parse ht-string, X align ; |
| |
|
| |
X has? control-rack [IF] |
| Cond: ." compile (.") T ," H ;Cond |
Cond: ." compile (.") T ," H ;Cond |
| Cond: S" compile (S") T ," H ;Cond |
Cond: S" compile (S") T ," H ;Cond |
| Cond: C" compile (C") T ," H ;Cond |
Cond: C" compile (C") T ," H ;Cond |
| Cond: ABORT" compile (ABORT") T ," H ;Cond |
Cond: ABORT" compile (ABORT") T ," H ;Cond |
| |
[ELSE] |
| |
Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
| |
>r then, r> compile ALiteral compile Literal compile type ;Cond |
| |
Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
| |
>r then, r> compile ALiteral compile Literal ;Cond |
| |
Cond: C" ahead, there [char] " parse ht-string, X align |
| |
>r then, r> compile ALiteral ;Cond |
| |
Cond: ABORT" if, ahead, there [char] " parse ht-string, X align |
| |
>r then, r> compile ALiteral compile c(abort") then, ;Cond |
| |
[THEN] |
| |
|
| Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
| : IS T >address ' >body ! H ; |
: IS T >address ' >body ! H ; |
| ABORT" CROSS: Can't postpone on forward declaration" |
ABORT" CROSS: Can't postpone on forward declaration" |
| dup >magic @ <imm> = |
dup >magic @ <imm> = |
| IF (gexecute) |
IF (gexecute) |
| ELSE compile (compile) addr, THEN ;Cond |
ELSE >link @ alit, compile compile, THEN ;Cond |
| |
|
| \ save-cross 17mar93py |
\ save-cross 17mar93py |
| |
|
| hex |
hex |
| |
|
| >CROSS |
>CROSS |
| Create magic s" Gforth2x" here over allot swap move |
Create magic s" Gforth3x" here over allot swap move |
| |
|
| bigendian 1+ \ strangely, in magic big=0, little=1 |
bigendian 1+ \ strangely, in magic big=0, little=1 |
| tcell 1 = 0 and or |
tcell 1 = 0 and or |
| ELSE |
ELSE |
| bl parse 2drop |
bl parse 2drop |
| THEN |
THEN |
| image @ there |
dictionary >rmem @ there |
| r@ write-file throw \ write image |
r@ write-file throw \ write image |
| s" relocate" X $has? IF |
s" relocate" X $has? IF |
| bit$ @ there 1- tcell>bit rshift 1+ |
dictionary >rbm @ there 1- tcell>bit rshift 1+ |
| r@ write-file throw \ write tags |
r@ write-file throw \ write tags |
| THEN |
THEN |
| r> close-file throw ; |
r> close-file throw ; |
| : * * ; |
: * * ; |
| : / / ; |
: / / ; |
| : dup dup ; |
: dup dup ; |
| |
: ?dup ?dup ; |
| : over over ; |
: over over ; |
| : swap swap ; |
: swap swap ; |
| : rot rot ; |
: rot rot ; |
| : drop drop ; |
: drop drop ; |
| |
: 2drop 2drop ; |
| : = = ; |
: = = ; |
| : <> <> ; |
: <> <> ; |
| : 0= 0= ; |
: 0= 0= ; |
| : lshift lshift ; |
: lshift lshift ; |
| : 2/ 2/ ; |
: 2/ 2/ ; |
| |
: hex. base @ $10 base ! swap . base ! ; |
| |
: invert invert ; |
| \ : . . ; |
\ : . . ; |
| |
|
| : all-words ['] forced? IS skip? ; |
: all-words ['] forced? IS skip? ; |
| : require require ; |
: require require ; |
| : needs require ; |
: needs require ; |
| : .( [char] ) parse type ; |
: .( [char] ) parse type ; |
| |
: ERROR" [char] " parse |
| |
rot |
| |
IF cr ." *** " type ." ***" -1 ABORT" CROSS: Target error, see text above" |
| |
ELSE 2drop |
| |
THEN ; |
| : ." [char] " parse type ; |
: ." [char] " parse type ; |
| : cr cr ; |
: cr cr ; |
| |
|
| : bye bye ; |
: bye bye ; |
| |
|
| \ dummy |
\ dummy |
| : group 0 word drop ; |
|
| |
|
| \ turnkey direction |
\ turnkey direction |
| : H forth ; immediate |
: H forth ; immediate |