| \ targets 09jun93jaw |
\ targets 09jun93jaw |
| \ added: 2user and value 11jun93jaw |
\ added: 2user and value 11jun93jaw |
| |
|
| |
\ needed? works better now!!! 01mar97jaw |
| |
\ mach file is only loaded into target |
| |
\ cell corrected |
| |
|
| |
|
| \ include other.fs \ ansforth extentions for cross |
\ include other.fs \ ansforth extentions for cross |
| |
|
| : string, ( c-addr u -- ) |
: string, ( c-addr u -- ) |
| |
|
| >CROSS |
>CROSS |
| |
|
| \ Variables 06oct92py |
\ Parameter for target systems 06oct92py |
| |
|
| -1 Constant NIL |
>TARGET |
| Variable image |
mach-file count included |
| Variable tlast NIL tlast ! \ Last name field |
|
| Variable tlastcfa \ Last code field |
|
| Variable tdoes \ Resolve does> calls |
|
| Variable bit$ |
|
| Variable tdp |
|
| : there tdp @ ; |
|
| |
|
| \ Parameter for target systems 06oct92py |
[IFUNDEF] has-interpreter true CONSTANT has-interpreter [THEN] |
| |
|
| |
also Forth definitions |
| |
|
| included |
[IFDEF] asm-include asm-include [THEN] |
| |
|
| |
previous |
| |
hex |
| |
|
| |
>CROSS |
| |
|
| \ Create additional parameters 19jan95py |
\ Create additional parameters 19jan95py |
| |
|
| T |
T |
| |
NIL Constant TNIL |
| cell Constant tcell |
cell Constant tcell |
| cell<< Constant tcell<< |
cell<< Constant tcell<< |
| cell>bit Constant tcell>bit |
cell>bit Constant tcell>bit |
| 1 bits/byte lshift Constant maxbyte |
1 bits/byte lshift Constant maxbyte |
| H |
H |
| |
|
| |
\ Variables 06oct92py |
| |
|
| |
Variable image |
| |
Variable tlast TNIL tlast ! \ Last name field |
| |
Variable tlastcfa \ Last code field |
| |
Variable tdoes \ Resolve does> calls |
| |
Variable bit$ |
| |
Variable tdp |
| |
: there tdp @ ; |
| |
|
| |
|
| >TARGET |
>TARGET |
| |
|
| \ Byte ordering and cell size 06oct92py |
\ Byte ordering and cell size 06oct92py |
| : cell+ tcell + ; |
: cell+ tcell + ; |
| : cells tcell<< lshift ; |
: cells tcell<< lshift ; |
| : chars ; |
: chars ; |
| |
: char+ 1 + ; |
| : floats tfloat * ; |
: floats tfloat * ; |
| |
|
| >CROSS |
>CROSS |
| : cell/ tcell<< rshift ; |
: cell/ tcell<< rshift ; |
| >TARGET |
>TARGET |
| 20 CONSTANT bl |
20 CONSTANT bl |
| -1 Constant NIL |
TNIL Constant NIL |
| -2 Constant :docol |
|
| -3 Constant :docon |
|
| -4 Constant :dovar |
|
| -5 Constant :douser |
|
| -6 Constant :dodefer |
|
| -7 Constant :dofield |
|
| -8 Constant :dodoes |
|
| -9 Constant :doesjump |
|
| |
|
| >CROSS |
>CROSS |
| |
|
| \ MakeKernal 12dec92py |
\ MakeKernal 12dec92py |
| |
|
| >MINIMAL |
>MINIMAL |
| : makekernal ( targetsize -- targetsize ) |
: makekernel ( targetsize -- targetsize ) |
| bit$ over 1- cell>bit rshift 1+ initmem |
bit$ over 1- tcell>bit rshift 1+ initmem |
| image over initmem tdp off ; |
image over initmem tdp off ; |
| |
|
| >CROSS |
>CROSS |
| \ Target memory access 06oct92py |
\ Target memory access 06oct92py |
| |
|
| : align+ ( taddr -- rest ) |
: align+ ( taddr -- rest ) |
| cell tuck 1- and - [ cell 1- ] Literal and ; |
tcell tuck 1- and - [ tcell 1- ] Literal and ; |
| : cfalign+ ( taddr -- rest ) |
: cfalign+ ( taddr -- rest ) |
| \ see kernal.fs:cfaligned |
\ see kernel.fs:cfaligned |
| float tuck 1- and - [ float 1- ] Literal and ; |
/maxalign tuck 1- and - [ /maxalign 1- ] Literal and ; |
| |
|
| >TARGET |
>TARGET |
| : aligned ( taddr -- ta-addr ) dup align+ + ; |
: aligned ( taddr -- ta-addr ) dup align+ + ; |
| \ assumes cell alignment granularity (as GNU C) |
\ assumes cell alignment granularity (as GNU C) |
| |
|
| : cfaligned ( taddr1 -- taddr2 ) |
: cfaligned ( taddr1 -- taddr2 ) |
| \ see kernal.fs |
\ see kernel.fs |
| dup cfalign+ + ; |
dup cfalign+ + ; |
| |
|
| >CROSS |
>CROSS |
| |
|
| : here ( -- there ) there ; |
: here ( -- there ) there ; |
| : allot ( n -- ) tdp +! ; |
: allot ( n -- ) tdp +! ; |
| : , ( w -- ) T here H cell T allot ! H ; |
: , ( w -- ) T here H tcell T allot ! H ; |
| : c, ( char -- ) T here 1 allot c! H ; |
: c, ( char -- ) T here 1 allot c! H ; |
| : align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
| : cfalign ( -- ) |
: cfalign ( -- ) |
| |
|
| \ threading modell 13dec92py |
\ threading modell 13dec92py |
| |
|
| \ generic threading modell |
|
| : docol, ( -- ) :docol T A, 0 , H ; |
|
| |
|
| >TARGET |
>TARGET |
| : >body ( cfa -- pfa ) T cell+ cell+ H ; |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
| >CROSS |
>CROSS |
| |
|
| : dodoes, ( -- ) T :doesjump A, 0 , H ; |
|
| |
|
| \ Ghost Builder 06oct92py |
\ Ghost Builder 06oct92py |
| |
|
| \ <T T> new version with temp variable 10may93jaw |
\ <T T> new version with temp variable 10may93jaw |
| : <T get-current VocTemp ! also Ghosts definitions ; |
: <T get-current VocTemp ! also Ghosts definitions ; |
| : T> previous VocTemp @ set-current ; |
: T> previous VocTemp @ set-current ; |
| |
|
| |
hex |
| 4711 Constant <fwd> 4712 Constant <res> |
4711 Constant <fwd> 4712 Constant <res> |
| 4713 Constant <imm> |
4713 Constant <imm> 4714 Constant <do:> |
| |
|
| \ iForth makes only immediate directly after create |
\ iForth makes only immediate directly after create |
| \ make atonce trick! ? |
\ make atonce trick! ? |
| |
|
| : GhostHeader <fwd> , 0 , ['] NoExec , ; |
: GhostHeader <fwd> , 0 , ['] NoExec , ; |
| |
|
| : >magic ; : >link cell+ ; : >exec cell+ cell+ ; |
: >magic ; |
| |
: >link cell+ ; |
| |
: >exec cell+ cell+ ; |
| : >end 3 cells + ; |
: >end 3 cells + ; |
| |
|
| Variable last-ghost |
Variable last-ghost |
| here tuck swap ! ghostheader T> |
here tuck swap ! ghostheader T> |
| DOES> dup last-ghost ! >exec @ execute ; |
DOES> dup last-ghost ! >exec @ execute ; |
| |
|
| |
variable cfalist 0 cfalist ! |
| |
|
| |
: markcfa |
| |
cfalist here over @ , swap ! , ; |
| |
|
| \ ghost words 14oct92py |
\ ghost words 14oct92py |
| \ changed: 10may93py/jaw |
\ changed: 10may93py/jaw |
| |
|
| : gfind ( string -- ghost true/1 / string false ) |
: gfind ( string -- ghost true/1 / string false ) |
| \ searches for string in word-list ghosts |
\ searches for string in word-list ghosts |
| \ !! wouldn't it be simpler to just use search-wordlist ? ae |
|
| dup count [ ' ghosts >body ] ALiteral search-wordlist |
dup count [ ' ghosts >body ] ALiteral search-wordlist |
| dup IF >r >body nip r> THEN ; |
dup IF >r >body nip r> THEN ; |
| |
|
| WHILE dup ?resolved |
WHILE dup ?resolved |
| REPEAT drop ResolveFlag @ |
REPEAT drop ResolveFlag @ |
| IF |
IF |
| abort" Unresolved words!" |
-1 abort" Unresolved words!" |
| ELSE |
ELSE |
| ." Nothing!" |
." Nothing!" |
| THEN |
THEN |
| VARIABLE ^imm |
VARIABLE ^imm |
| |
|
| >TARGET |
>TARGET |
| : immediate 20 flag! |
: immediate 40 flag! |
| ^imm @ @ dup <imm> = IF drop EXIT THEN |
^imm @ @ dup <imm> = IF drop EXIT THEN |
| <res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
| <imm> ^imm @ ! ; |
<imm> ^imm @ ! ; |
| : restrict 40 flag! ; |
: restrict 20 flag! ; |
| >CROSS |
>CROSS |
| |
|
| \ ALIAS2 ansforth conform alias 9may93jaw |
\ ALIAS2 ansforth conform alias 9may93jaw |
| |
|
| \ Target Document Creation (goes to crossdoc.fd) 05jul95py |
\ Target Document Creation (goes to crossdoc.fd) 05jul95py |
| |
|
| s" crossdoc.fd" r/w create-file throw value doc-file-id |
s" doc/crossdoc.fd" r/w create-file throw value doc-file-id |
| \ contains the file-id of the documentation file |
\ contains the file-id of the documentation file |
| |
|
| : \G ( -- ) |
: T-\G ( -- ) |
| source >in @ /string doc-file-id write-line throw |
source >in @ /string doc-file-id write-line throw |
| source >in ! drop ; immediate |
postpone \ ; |
| |
|
| Variable to-doc |
Variable to-doc to-doc on |
| |
|
| : cross-doc-entry ( -- ) |
: cross-doc-entry ( -- ) |
| to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header |
to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header |
| [char] ) parse doc-file-id write-file throw |
[char] ) parse doc-file-id write-file throw |
| s" )" doc-file-id write-file throw |
s" )" doc-file-id write-file throw |
| [char] \ parse 2drop |
[char] \ parse 2drop |
| POSTPONE \g |
T-\G |
| >in ! |
>in ! |
| THEN to-doc on ; |
THEN ; |
| |
|
| \ Target TAGS creation |
\ Target TAGS creation |
| |
|
| s" TAGS" r/w create-file throw value tag-file-id |
s" kernel.TAGS" r/w create-file throw value 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 2 c, 7F c, bl c, |
| base ! |
base ! |
| THEN ; |
THEN ; |
| |
|
| |
\ Check for words |
| |
|
| |
Defer skip? ' false IS skip? |
| |
|
| |
: defined? ( -- flag ) \ name |
| |
ghost >magic @ <fwd> <> ; |
| |
|
| |
: needed? ( -- flag ) \ name |
| |
\G returns a false flag when |
| |
\G a word is not defined |
| |
\G a forward reference exists |
| |
\G so the definition is not skipped! |
| |
bl word gfind |
| |
IF dup >magic @ <fwd> = |
| |
\ swap >link @ 0<> and |
| |
nip |
| |
0= |
| |
ELSE drop true THEN ; |
| |
|
| |
: doer? ( -- flag ) \ name |
| |
ghost >magic @ <do:> = ; |
| |
|
| |
: skip-defs ( -- ) |
| |
BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
| |
|
| \ Target header creation |
\ Target header creation |
| |
|
| VARIABLE CreateFlag CreateFlag off |
VARIABLE CreateFlag CreateFlag off |
| |
|
| : (Theader ( "name" -- ghost ) T align H view, |
: (Theader ( "name" -- ghost ) |
| |
\ >in @ bl word count type 2 spaces >in ! |
| |
T align H view, |
| tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
| >in @ name, >in ! T here H tlastcfa ! |
>in @ name, >in ! T here H tlastcfa ! |
| CreateFlag @ IF |
CreateFlag @ IF |
| |
|
| >TARGET |
>TARGET |
| : Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
| dup 0< IF to-doc off THEN |
>in @ skip? IF 2drop EXIT THEN >in ! |
| |
dup 0< has-prims 0= and |
| |
IF |
| |
." needs prim: " >in @ bl word count type >in ! cr |
| |
THEN |
| (THeader over resolve T A, H 80 flag! ; |
(THeader over resolve T A, H 80 flag! ; |
| |
: Alias: ( cfa -- ) \ name |
| |
>in @ skip? IF 2drop EXIT THEN >in ! |
| |
dup 0< has-prims 0= and |
| |
IF |
| |
." needs doer: " >in @ bl word count type >in ! cr |
| |
THEN |
| |
ghost tuck swap resolve <do:> swap >magic ! ; |
| >CROSS |
>CROSS |
| |
|
| \ Conditionals and Comments 11may93jaw |
\ Conditionals and Comments 11may93jaw |
| ghost lit ghost (compile) ghost ! 2drop drop |
ghost lit ghost (compile) ghost ! 2drop drop |
| ghost (does>) ghost noop 2drop |
ghost (does>) ghost noop 2drop |
| ghost (.") ghost (S") ghost (ABORT") 2drop drop |
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
| ghost ' |
ghost ' drop |
| |
ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
| |
ghost over ghost = ghost drop 2drop drop |
| |
|
| \ compile 10may93jaw |
\ compile 10may93jaw |
| |
|
| ELSE postpone literal postpone gexecute THEN ; |
ELSE postpone literal postpone gexecute THEN ; |
| immediate |
immediate |
| |
|
| |
\ generic threading modell |
| |
: docol, ( -- ) compile :docol T 0 , H ; |
| |
|
| |
: dodoes, ( -- ) T cfalign H compile :doesjump T 0 , H ; |
| |
|
| |
[IFUNDEF] (code) |
| |
Defer (code) |
| |
Defer (end-code) |
| |
[THEN] |
| |
|
| |
[IFUNDEF] ca>native |
| |
defer ca>native |
| |
[THEN] |
| |
|
| >TARGET |
>TARGET |
| |
: Code |
| |
(THeader there resolve |
| |
[ has-prims 0= [IF] ITC [ELSE] true [THEN] ] [IF] |
| |
there 2 T cells H + ca>native T a, 0 , H |
| |
[THEN] |
| |
depth (code) ; |
| |
|
| |
: Code: |
| |
ghost dup there ca>native resolve <do:> swap >magic ! |
| |
depth (code) ; |
| |
|
| |
: end-code |
| |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
| |
ELSE true ABORT" CROSS: Stack empty" THEN |
| |
(end-code) ; |
| |
|
| : ' ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined " |
: ' ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined " |
| dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
| |
|
| : alit, ( n -- ) compile lit T A, H ; |
: alit, ( n -- ) compile lit T A, H ; |
| |
|
| >TARGET |
>TARGET |
| |
Cond: \G T-\G ;Cond |
| |
|
| Cond: Literal ( n -- ) restrict? lit, ;Cond |
Cond: Literal ( n -- ) restrict? lit, ;Cond |
| Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
| |
|
| : Char ( "<char>" -- ) bl word char+ c@ ; |
: Char ( "<char>" -- ) bl word char+ c@ ; |
| Cond: [Char] ( "<char>" -- ) restrict? Char lit, ;Cond |
Cond: [Char] ( "<char>" -- ) restrict? Char lit, ;Cond |
| |
|
| |
\ some special literals 27jan97jaw |
| |
|
| |
Cond: MAXU |
| |
restrict? compile lit |
| |
tcell 0 ?DO FF T c, H LOOP ;Cond |
| |
|
| |
Cond: MINI |
| |
restrict? compile lit |
| |
bigendian IF |
| |
80 T c, H tcell 1 ?DO 0 T c, H LOOP |
| |
ELSE |
| |
tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
| |
THEN |
| |
;Cond |
| |
|
| |
Cond: MAXI |
| |
restrict? compile lit |
| |
bigendian IF |
| |
7F T c, H tcell 1 ?DO FF T c, H LOOP |
| |
ELSE |
| |
tcell 1 ?DO FF T c, H LOOP 7F T c, H |
| |
THEN |
| |
;Cond |
| |
|
| >CROSS |
>CROSS |
| \ Target compiling loop 12dec92py |
\ Target compiling loop 12dec92py |
| \ ">tib trick thrown out 10may93jaw |
\ ">tib trick thrown out 10may93jaw |
| \ is not allowed if a system should be ans conform |
\ is not allowed if a system should be ans conform |
| |
|
| : : ( -- colon-sys ) \ Name |
: : ( -- colon-sys ) \ Name |
| |
>in @ skip? IF drop skip-defs EXIT THEN >in ! |
| (THeader ;Resolve ! there ;Resolve cell+ ! |
(THeader ;Resolve ! there ;Resolve cell+ ! |
| docol, depth T ] H ; |
docol, depth T ] H ; |
| |
|
| |
: :noname ( -- colon-sys ) |
| |
T cfalign H there docol, depth T ] H ; |
| |
|
| Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
| |
|
| Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
| Cond: [ restrict? state off ;Cond |
Cond: [ restrict? state off ;Cond |
| |
|
| >CROSS |
>CROSS |
| : !does :dodoes tlastcfa @ tuck T ! cell+ ! H ; |
: !does |
| |
tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
| |
|
| >TARGET |
>TARGET |
| Cond: DOES> restrict? |
Cond: DOES> restrict? |
| \ DOES> dup >exec @ execute ; |
\ DOES> dup >exec @ execute ; |
| |
|
| : gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
: gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
| IF dup >link @ dup 0< IF T A, 0 , H drop EXIT THEN drop THEN |
IF |
| :dodoes T A, H gexecute T here H cell - reloff ; |
dup >magic @ <do:> = |
| |
IF gexecute T 0 , H EXIT THEN |
| |
THEN |
| |
compile :dodoes gexecute T here H tcell - reloff ; |
| |
|
| : TCreate ( -- ) |
: TCreate ( -- ) |
| last-ghost @ |
last-ghost @ |
| here ghostheader |
here ghostheader |
| :noname postpone gdoes> postpone ?EXIT ; |
:noname postpone gdoes> postpone ?EXIT ; |
| |
|
| |
: by: ( -- addr [xt] [colon-sys] ) \ name |
| |
ghost |
| |
:noname postpone gdoes> postpone ?EXIT ; |
| |
|
| : ;DO ( addr [xt] [colon-sys] -- ) |
: ;DO ( addr [xt] [colon-sys] -- ) |
| postpone ; ( S addr xt ) |
postpone ; ( S addr xt ) |
| over >exec ! ; immediate |
over >exec ! ; immediate |
| \ Variables and Constants 05dec92py |
\ Variables and Constants 05dec92py |
| |
|
| Build: ; |
Build: ; |
| DO: ( ghost -- addr ) ;DO |
by: :dovar ( ghost -- addr ) ;DO |
| Builder Create |
Builder Create |
| by Create :dovar resolve |
|
| |
|
| Build: T 0 , H ; |
Build: T 0 , H ; |
| by Create |
by Create |
| >TARGET |
>TARGET |
| |
|
| Build: T 0 u, , H ; |
Build: T 0 u, , H ; |
| DO: ( ghost -- up-addr ) T @ H tup @ + ;DO |
by: :douser ( ghost -- up-addr ) T @ H tup @ + ;DO |
| Builder User |
Builder User |
| by User :douser resolve |
|
| |
|
| Build: T 0 u, , 0 u, drop H ; |
Build: T 0 u, , 0 u, drop H ; |
| by User |
by User |
| by User |
by User |
| Builder AUser |
Builder AUser |
| |
|
| |
Build: ( n -- ) ; |
| |
by: :docon ( ghost -- n ) T @ H ;DO |
| |
Builder (Constant) |
| |
|
| Build: ( n -- ) T , H ; |
Build: ( n -- ) T , H ; |
| DO: ( ghost -- n ) T @ H ;DO |
by (Constant) |
| Builder Constant |
Builder Constant |
| by Constant :docon resolve |
|
| |
|
| Build: ( n -- ) T A, H ; |
Build: ( n -- ) T A, H ; |
| by Constant |
by (Constant) |
| Builder AConstant |
Builder AConstant |
| |
|
| Build: ( d -- ) T , , H ; |
Build: ( d -- ) T , , H ; |
| DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
| Builder 2Constant |
Builder 2Constant |
| |
|
| Build: T 0 , H ; |
Build: T , H ; |
| by Constant |
by (Constant) |
| Builder Value |
Builder Value |
| |
|
| Build: T 0 A, H ; |
Build: T A, H ; |
| by Constant |
by (Constant) |
| Builder AValue |
Builder AValue |
| |
|
| Build: ( -- ) compile noop ; |
Build: ( -- ) compile noop ; |
| DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
| Builder Defer |
Builder Defer |
| by Defer :dodefer resolve |
|
| |
Build: ( inter comp -- ) swap T immediate A, A, H ; |
| |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
| |
Builder interpret/compile: |
| |
|
| \ Sturctures 23feb95py |
\ Sturctures 23feb95py |
| |
|
| 1- tuck + swap invert and ; |
1- tuck + swap invert and ; |
| >TARGET |
>TARGET |
| |
|
| Build: >r rot r@ nalign dup T , H ( align1 size offset ) |
Build: ; |
| + swap r> nalign ; |
by: :dofield T @ H + ;DO |
| DO: T @ H + ;DO |
Builder (Field) |
| |
|
| |
Build: ( align1 offset1 align size "name" -- align2 offset2 ) |
| |
rot dup T , H ( align1 align size offset1 ) |
| |
+ >r nalign r> ; |
| |
by (Field) |
| Builder Field |
Builder Field |
| by Field :dofield resolve |
|
| |
|
| : struct T 0 1 chars H ; |
: struct T 1 chars 0 H ; |
| : end-struct T 2Constant H ; |
: end-struct T 2Constant H ; |
| |
|
| : cells: ( n -- size align ) |
: cell% ( -- align size ) |
| T cells 1 cells H ; |
T 1 cells H dup ; |
| |
|
| \ ' 2Constant Alias2 end-struct |
\ ' 2Constant Alias2 end-struct |
| \ 0 1 T Chars H 2Constant struct |
\ 0 1 T Chars H 2Constant struct |
| Cond: UNTIL restrict? sys? compile ?branch <resolve ;Cond |
Cond: UNTIL restrict? sys? compile ?branch <resolve ;Cond |
| Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond |
Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond |
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Cond: CASE restrict? 0 ;Cond |
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Cond: OF restrict? 1+ >r compile over compile = compile IF compile drop |
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r> ;Cond |
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Cond: ENDOF restrict? >r compile ELSE r> ;Cond |
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Cond: ENDCASE restrict? compile drop 0 ?DO compile THEN LOOP ;Cond |
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|
| \ Structural Conditionals 12dec92py |
\ Structural Conditionals 12dec92py |
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|
| Cond: DO restrict? compile (do) T here H ;Cond |
Cond: DO restrict? compile (do) T here H ;Cond |
| Cond: ?DO restrict? compile (?do) (leave T here H ;Cond |
Cond: ?DO restrict? compile (?do) T (leave here H ;Cond |
| Cond: FOR restrict? compile (for) T here H ;Cond |
Cond: FOR restrict? compile (for) T here H ;Cond |
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|
| >CROSS |
>CROSS |
| : loop] dup <resolve cell - compile DONE compile unloop ; |
: loop] dup <resolve tcell - compile DONE compile unloop ; |
| >TARGET |
>TARGET |
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|
| Cond: LOOP restrict? sys? compile (loop) loop] ;Cond |
Cond: LOOP restrict? sys? compile (loop) loop] ;Cond |
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|
| \ define new [IFDEF] and [IFUNDEF] 20may93jaw |
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
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|
| : there? bl word gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
: defined? defined? ; |
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: needed? needed? ; |
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: doer? doer? ; |
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|
| : [IFDEF] there? postpone [IF] ; |
: [IFDEF] defined? postpone [IF] ; |
| : [IFUNDEF] there? 0= postpone [IF] ; |
: [IFUNDEF] defined? 0= postpone [IF] ; |
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|
| \ C: \- \+ Conditional Compiling 09jun93jaw |
\ C: \- \+ Conditional Compiling 09jun93jaw |
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|
| : C: >in @ there? 0= |
: C: >in @ defined? 0= |
| IF >in ! T : H |
IF >in ! T : H |
| ELSE drop |
ELSE drop |
| BEGIN bl word dup c@ |
BEGIN bl word dup c@ |
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|
| also minimal |
also minimal |
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|
| : \- there? IF postpone \ THEN ; |
\G interprets the line if word is not defined |
| : \+ there? 0= IF postpone \ THEN ; |
: \- defined? IF postpone \ THEN ; |
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|
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\G interprets the line if word is defined |
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: \+ defined? 0= IF postpone \ THEN ; |
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|
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Cond: \- \- ;Cond |
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Cond: \+ \+ ;Cond |
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|
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: ?? bl word find IF execute ELSE drop 0 THEN ; |
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: needed: |
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\G defines ghost for words that we want to be compiled |
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BEGIN >in @ bl word c@ WHILE >in ! ghost drop REPEAT drop ; |
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|
| : [IF] postpone [IF] ; |
: [IF] postpone [IF] ; |
| : [THEN] postpone [THEN] ; |
: [THEN] postpone [THEN] ; |
| Cond: [THEN] [THEN] ;Cond |
Cond: [THEN] [THEN] ;Cond |
| Cond: [ELSE] [ELSE] ;Cond |
Cond: [ELSE] [ELSE] ;Cond |
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|
| \ save-cross 17mar93py |
previous |
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|
| \ i'm not interested in bigforth features this time 10may93jaw |
|
| \ [IFDEF] file |
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| \ also file |
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| \ [THEN] |
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| \ included throw after create-file 11may93jaw |
|
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|
| bigendian Constant bigendian |
\ save-cross 17mar93py |
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|
| Create magic s" gforth00" here over allot swap move |
>CROSS |
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Create magic s" Gforth10" here over allot swap move |
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|
| [char] 1 bigendian + cell + magic 7 + c! |
char 1 bigendian + tcell + magic 7 + c! |
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|
| : save-cross ( "name" -- ) |
: save-cross ( "image-name" "binary-name" -- ) |
| bl parse ." Saving to " 2dup type |
bl parse ." Saving to " 2dup type cr |
| w/o bin create-file throw >r |
w/o bin create-file throw >r |
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TNIL IF |
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s" #! " r@ write-file throw |
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bl parse r@ write-file throw |
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s" -i" r@ write-file throw |
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#lf r@ emit-file throw |
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r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) |
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?do |
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bl over emit-file throw |
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loop |
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drop |
| magic 8 r@ write-file throw \ write magic |
magic 8 r@ write-file throw \ write magic |
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ELSE |
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bl parse 2drop |
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THEN |
| image @ there r@ write-file throw \ write image |
image @ there r@ write-file throw \ write image |
| bit$ @ there 1- cell>bit rshift 1+ |
TNIL IF |
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bit$ @ there 1- tcell>bit rshift 1+ |
| r@ write-file throw \ write tags |
r@ write-file throw \ write tags |
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THEN |
| r> close-file throw ; |
r> close-file throw ; |
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|
| \ words that should be in minimal |
\ words that should be in minimal |
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>MINIMAL |
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also minimal |
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|
| : + + ; : 1- 1- ; |
bigendian Constant bigendian |
| : - - ; : 2* 2* ; |
: save-cross save-cross ; |
| : * * ; : / / ; |
: here there ; |
| : dup dup ; : over over ; |
also forth |
| : swap swap ; : rot rot ; |
[IFDEF] Label : Label Label ; [THEN] |
| : drop drop ; : = = ; |
[IFDEF] start-macros : start-macros start-macros ; [THEN] |
| : lshift lshift ; : 2/ 2/ ; |
previous |
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|
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: + + ; |
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: or or ; |
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: 1- 1- ; |
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: - - ; |
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: 2* 2* ; |
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: * * ; |
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: / / ; |
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: dup dup ; |
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: over over ; |
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: swap swap ; |
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: rot rot ; |
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: drop drop ; |
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: = = ; |
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: 0= 0= ; |
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: lshift lshift ; |
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: 2/ 2/ ; |
| : . . ; |
: . . ; |
| cell constant cell |
: const ; |
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|
| \ include bug5.fs |
\ mach-file count included |
| \ only forth also minimal definitions |
|
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|
| : \ postpone \ ; |
: all-words ['] false IS skip? ; |
| : \G postpone \G ; |
: needed-words ['] needed? IS skip? ; |
| : ( postpone ( ; |
: undef-words ['] defined? IS skip? ; |
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|
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: \ postpone \ ; immediate |
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: \G T-\G ; immediate |
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: ( postpone ( ; immediate |
| : include bl word count included ; |
: include bl word count included ; |
| : .( [char] ) parse type ; |
: .( [char] ) parse type ; |
| : cr cr ; |
: cr cr ; |
| : hex hex ; |
: hex hex ; |
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|
| : tudp T tudp H ; |
: tudp T tudp H ; |
| : tup T tup H ; minimal |
: tup T tup H ; |
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|
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: doc-off false T to-doc H ! ; |
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: doc-on true T to-doc H ! ; |
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minimal |
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|
| \ for debugging... |
\ for debugging... |
| : order order ; |
: order order ; |