version 1.36, 1996/05/13 16:36:55
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version 1.44, 1997/02/09 21:51:38
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Line 91 H
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Line 91 H
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>CROSS |
>CROSS |
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\ Parameter for target systems 06oct92py |
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mach-file count included |
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also Forth definitions |
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[IFDEF] asm-include asm-include [THEN] |
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previous |
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>CROSS |
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\ Variables 06oct92py |
\ Variables 06oct92py |
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-1 Constant NIL |
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Variable image |
Variable image |
Variable tlast NIL tlast ! \ Last name field |
Variable tlast NIL tlast ! \ Last name field |
Variable tlastcfa \ Last code field |
Variable tlastcfa \ Last code field |
Line 102 Variable bit$
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Line 113 Variable bit$
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Variable tdp |
Variable tdp |
: there tdp @ ; |
: there tdp @ ; |
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\ Parameter for target systems 06oct92py |
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included |
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\ Create additional parameters 19jan95py |
\ Create additional parameters 19jan95py |
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T |
T |
Line 131 H
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Line 138 H
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>TARGET |
>TARGET |
20 CONSTANT bl |
20 CONSTANT bl |
-1 Constant NIL |
-1 Constant NIL |
-2 Constant :docol |
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-3 Constant :docon |
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-4 Constant :dovar |
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-5 Constant :douser |
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-6 Constant :dodefer |
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-7 Constant :dofield |
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-8 Constant :dodoes |
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-9 Constant :doesjump |
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>CROSS |
>CROSS |
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Line 173 bigendian
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Line 172 bigendian
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\ MakeKernal 12dec92py |
\ MakeKernal 12dec92py |
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>MINIMAL |
>MINIMAL |
: makekernal ( targetsize -- targetsize ) |
: makekernel ( targetsize -- targetsize ) |
bit$ over 1- cell>bit rshift 1+ initmem |
bit$ over 1- cell>bit rshift 1+ initmem |
image over initmem tdp off ; |
image over initmem tdp off ; |
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Line 194 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 193 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: align+ ( taddr -- rest ) |
: align+ ( taddr -- rest ) |
cell tuck 1- and - [ cell 1- ] Literal and ; |
cell tuck 1- and - [ cell 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 ; |
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>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) |
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: cfaligned ( taddr1 -- taddr2 ) |
: cfaligned ( taddr1 -- taddr2 ) |
\ see kernal.fs |
\ see kernel.fs |
dup cfalign+ + ; |
dup cfalign+ + ; |
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>CROSS |
>CROSS |
Line 233 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 232 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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\ threading modell 13dec92py |
\ threading modell 13dec92py |
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\ generic threading modell |
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: docol, ( -- ) :docol T A, 0 , H ; |
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>TARGET |
>TARGET |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
>CROSS |
>CROSS |
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: dodoes, ( -- ) T :doesjump A, 0 , H ; |
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\ Ghost Builder 06oct92py |
\ Ghost Builder 06oct92py |
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\ <T T> new version with temp variable 10may93jaw |
\ <T T> new version with temp variable 10may93jaw |
Line 252 VARIABLE VocTemp
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Line 246 VARIABLE VocTemp
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: T> previous VocTemp @ set-current ; |
: T> previous VocTemp @ set-current ; |
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4711 Constant <fwd> 4712 Constant <res> |
4711 Constant <fwd> 4712 Constant <res> |
4713 Constant <imm> |
4713 Constant <imm> 4714 Constant <do:> |
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\ iForth makes only immediate directly after create |
\ iForth makes only immediate directly after create |
\ make atonce trick! ? |
\ make atonce trick! ? |
Line 263 Variable atonce atonce off
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Line 257 Variable atonce atonce off
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: GhostHeader <fwd> , 0 , ['] NoExec , ; |
: GhostHeader <fwd> , 0 , ['] NoExec , ; |
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: >magic ; : >link cell+ ; : >exec cell+ cell+ ; |
: >magic ; |
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: >link cell+ ; |
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: >exec cell+ cell+ ; |
: >end 3 cells + ; |
: >end 3 cells + ; |
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Variable last-ghost |
Variable last-ghost |
Line 278 Variable last-ghost
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Line 274 Variable last-ghost
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: 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 |
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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 ; |
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VARIABLE Already |
VARIABLE Already |
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Line 382 VARIABLE ^imm
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Line 377 VARIABLE ^imm
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s" crossdoc.fd" r/w create-file throw value doc-file-id |
s" 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 |
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: \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 \ ; |
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Variable to-doc |
Variable to-doc to-doc on |
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: 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 |
Line 399 Variable to-doc
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Line 394 Variable to-doc
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[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 ; |
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\ Target TAGS creation |
\ Target TAGS creation |
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s" kernal.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 |
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Create tag-beg 2 c, 7F c, bl c, |
Create tag-beg 2 c, 7F c, bl c, |
Line 438 Create tag-bof 1 c, 0C c,
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Line 433 Create tag-bof 1 c, 0C c,
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base ! |
base ! |
THEN ; |
THEN ; |
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\ Check for words |
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Defer skip? ' false IS skip? |
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: defined? ( -- flag ) \ name |
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ghost >magic @ <fwd> <> ; |
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: needed? ( -- flag ) \ name |
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ghost dup >magic @ <fwd> = |
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IF >link @ 0<> ELSE drop false THEN ; |
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: doer? ( -- flag ) \ name |
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ghost >magic @ <do:> = ; |
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: skip-defs ( -- ) |
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BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
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\ Target header creation |
\ Target header creation |
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VARIABLE CreateFlag CreateFlag off |
VARIABLE CreateFlag CreateFlag off |
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: (Theader ( "name" -- ghost ) T align H view, |
: (Theader ( "name" -- ghost ) |
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\ >in @ bl word count type 2 spaces >in ! |
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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 |
Line 464 VARIABLE ;Resolve 1 cells allot
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Line 478 VARIABLE ;Resolve 1 cells allot
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>TARGET |
>TARGET |
: Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
dup 0< IF to-doc off THEN |
>in @ skip? IF 2drop EXIT THEN >in ! |
(THeader over resolve T A, H 80 flag! ; |
dup 0< has-prims 0= and |
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IF |
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." needs prim: " >in @ bl word count type >in ! cr |
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THEN |
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(THeader over resolve T A, H 80 flag! ; |
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: Alias: ( cfa -- ) \ name |
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>in @ skip? IF 2drop EXIT THEN >in ! |
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dup 0< has-prims 0= and |
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IF |
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." needs doer: " >in @ bl word count type >in ! cr |
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THEN |
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ghost tuck swap resolve <do:> swap >magic ! ; |
>CROSS |
>CROSS |
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\ Conditionals and Comments 11may93jaw |
\ Conditionals and Comments 11may93jaw |
Line 501 ghost unloop ghost ;S
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Line 526 ghost unloop ghost ;S
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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 |
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ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
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\ compile 10may93jaw |
\ compile 10may93jaw |
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Line 513 ghost '
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Line 539 ghost '
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ELSE postpone literal postpone gexecute THEN ; |
ELSE postpone literal postpone gexecute THEN ; |
immediate |
immediate |
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\ generic threading modell |
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: docol, ( -- ) compile :docol T 0 , H ; |
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: dodoes, ( -- ) compile :doesjump T 0 , H ; |
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[IFUNDEF] (code) |
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Defer (code) |
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Defer (end-code) |
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[THEN] |
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>TARGET |
>TARGET |
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: Code |
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(THeader there resolve |
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there 2 T cells H + T a, 0 , H |
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depth (code) ; |
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: Code: |
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ghost dup there resolve <do:> swap >magic ! |
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depth (code) ; |
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: end-code |
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depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
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ELSE true ABORT" CROSS: Stack empty" THEN |
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(end-code) ; |
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: ' ( -- 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 @ ; |
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Line 528 Cond: chars ;Cond
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Line 578 Cond: chars ;Cond
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: alit, ( n -- ) compile lit T A, H ; |
: alit, ( n -- ) compile lit T A, H ; |
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>TARGET |
>TARGET |
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Cond: \G T-\G ;Cond |
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Cond: Literal ( n -- ) restrict? lit, ;Cond |
Cond: Literal ( n -- ) restrict? lit, ;Cond |
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
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: 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 |
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\ some special literals 27jan97jaw |
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Cond: MAXU |
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restrict? compile lit |
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tcell 0 ?DO FF T c, H LOOP ;Cond |
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Cond: MINI |
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restrict? compile lit |
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bigendian IF |
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80 T c, H tcell 1 ?DO 0 T c, H LOOP |
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ELSE |
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tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
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THEN |
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;Cond |
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Cond: MAXI |
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restrict? compile lit |
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bigendian IF |
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7F T c, H tcell 1 ?DO FF T c, H LOOP |
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ELSE |
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tcell 1 ?DO FF T c, H LOOP 7F T c, H |
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THEN |
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;Cond |
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>CROSS |
>CROSS |
\ Target compiling loop 12dec92py |
\ Target compiling loop 12dec92py |
\ ">tib trick thrown out 10may93jaw |
\ ">tib trick thrown out 10may93jaw |
Line 566 Cond: [Char] ( "<char>" -- ) restrict
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Line 642 Cond: [Char] ( "<char>" -- ) restrict
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\ is not allowed if a system should be ans conform |
\ is not allowed if a system should be ans conform |
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: : ( -- colon-sys ) \ Name |
: : ( -- colon-sys ) \ Name |
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>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 ; |
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: :noname ( -- colon-sys ) |
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T align H there docol, depth T ] H ; |
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Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
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Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Line 583 Cond: ; ( -- ) restrict?
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Line 663 Cond: ; ( -- ) restrict?
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Cond: [ restrict? state off ;Cond |
Cond: [ restrict? state off ;Cond |
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>CROSS |
>CROSS |
: !does :dodoes tlastcfa @ tuck T ! cell+ ! H ; |
: !does |
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tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
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>TARGET |
>TARGET |
Cond: DOES> restrict? |
Cond: DOES> restrict? |
Line 604 Cond: DOES> restrict?
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Line 685 Cond: DOES> restrict?
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\ DOES> dup >exec @ execute ; |
\ DOES> dup >exec @ execute ; |
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: 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:> = |
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IF gexecute T 0 , H EXIT THEN |
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THEN |
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compile :dodoes gexecute T here H cell - reloff ; |
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: TCreate ( -- ) |
: TCreate ( -- ) |
last-ghost @ |
last-ghost @ |
Line 628 Cond: DOES> restrict?
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Line 712 Cond: DOES> restrict?
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here ghostheader |
here ghostheader |
:noname postpone gdoes> postpone ?EXIT ; |
:noname postpone gdoes> postpone ?EXIT ; |
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: by: ( -- addr [xt] [colon-sys] ) \ name |
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ghost |
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:noname postpone gdoes> postpone ?EXIT ; |
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: ;DO ( addr [xt] [colon-sys] -- ) |
: ;DO ( addr [xt] [colon-sys] -- ) |
postpone ; ( S addr xt ) |
postpone ; ( S addr xt ) |
over >exec ! ; immediate |
over >exec ! ; immediate |
Line 639 Cond: DOES> restrict?
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Line 727 Cond: DOES> restrict?
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\ Variables and Constants 05dec92py |
\ Variables and Constants 05dec92py |
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Build: ; |
Build: ; |
DO: ( ghost -- addr ) ;DO |
by: :dovar ( ghost -- addr ) ;DO |
Builder Create |
Builder Create |
by Create :dovar resolve |
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Build: T 0 , H ; |
Build: T 0 , H ; |
by Create |
by Create |
Line 665 Variable tudp 0 tudp !
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Line 752 Variable tudp 0 tudp !
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>TARGET |
>TARGET |
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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 |
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Build: T 0 u, , 0 u, drop H ; |
Build: T 0 u, , 0 u, drop H ; |
by User |
by User |
Line 677 Build: T 0 au, , H ;
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Line 763 Build: T 0 au, , H ;
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by User |
by User |
Builder AUser |
Builder AUser |
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Build: ( n -- ) ; |
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by: :docon ( ghost -- n ) T @ H ;DO |
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Builder (Constant) |
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Build: ( n -- ) T , H ; |
Build: ( n -- ) T , H ; |
DO: ( ghost -- n ) T @ H ;DO |
by (Constant) |
Builder Constant |
Builder Constant |
by Constant :docon resolve |
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Build: ( n -- ) T A, H ; |
Build: ( n -- ) T A, H ; |
by Constant |
by (Constant) |
Builder AConstant |
Builder AConstant |
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Build: ( d -- ) T , , H ; |
Build: ( d -- ) T , , H ; |
Line 691 DO: ( ghost -- d ) T dup cell+ @ swap @
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Line 780 DO: ( ghost -- d ) T dup cell+ @ swap @
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Builder 2Constant |
Builder 2Constant |
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Build: T 0 , H ; |
Build: T 0 , H ; |
by Constant |
by (Constant) |
Builder Value |
Builder Value |
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Build: T 0 A, H ; |
Build: T 0 A, H ; |
by Constant |
by (Constant) |
Builder AValue |
Builder AValue |
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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 |
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Build: ( inter comp -- ) swap T immediate A, A, H ; |
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DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
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Builder interpret/compile: |
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\ Sturctures 23feb95py |
\ Sturctures 23feb95py |
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Line 711 by Defer :dodefer resolve
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Line 803 by Defer :dodefer resolve
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1- tuck + swap invert and ; |
1- tuck + swap invert and ; |
>TARGET |
>TARGET |
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Build: ; |
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by: :dofield T @ H + ;DO |
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Builder (Field) |
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Build: >r rot r@ nalign dup T , H ( align1 size offset ) |
Build: >r rot r@ nalign dup T , H ( align1 size offset ) |
+ swap r> nalign ; |
+ swap r> nalign ; |
DO: T @ H + ;DO |
by (Field) |
Builder Field |
Builder Field |
by Field :dofield resolve |
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: struct T 0 1 chars H ; |
: struct T 0 1 chars H ; |
: end-struct T 2Constant H ; |
: end-struct T 2Constant H ; |
Line 835 also minimal
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Line 930 also minimal
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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@ |
Line 854 also minimal
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Line 951 also minimal
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also minimal |
also minimal |
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: \- there? IF postpone \ THEN ; |
: \- defined? IF postpone \ THEN ; |
: \+ there? 0= IF postpone \ THEN ; |
: \+ defined? 0= IF postpone \ THEN ; |
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: [IF] postpone [IF] ; |
: [IF] postpone [IF] ; |
: [THEN] postpone [THEN] ; |
: [THEN] postpone [THEN] ; |
Line 884 char 1 bigendian + cell + magic 7 + c!
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Line 981 char 1 bigendian + cell + magic 7 + c!
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: save-cross ( "image-name" "binary-name" -- ) |
: save-cross ( "image-name" "binary-name" -- ) |
bl parse ." Saving to " 2dup type cr |
bl parse ." Saving to " 2dup type cr |
w/o bin create-file throw >r |
w/o bin create-file throw >r |
s" #! " r@ write-file throw |
NIL IF |
bl parse r@ write-file throw |
s" #! " r@ write-file throw |
s" -i" r@ write-file throw |
bl parse r@ write-file throw |
#lf r@ emit-file throw |
s" -i" r@ write-file throw |
r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) |
#lf r@ emit-file throw |
?do |
r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) |
bl over emit-file throw |
?do |
loop |
bl over emit-file throw |
drop |
loop |
magic 8 r@ write-file throw \ write magic |
drop |
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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+ |
NIL IF |
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bit$ @ there 1- cell>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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: + + ; : 1- 1- ; |
: here there ; |
: - - ; : 2* 2* ; |
also forth [IFDEF] Label : Label Label ; [THEN] previous |
: * * ; : / / ; |
: + + ; |
: dup dup ; : over over ; |
: or or ; |
: swap swap ; : rot rot ; |
: 1- 1- ; |
: drop drop ; : = = ; |
: - - ; |
: lshift lshift ; : 2/ 2/ ; |
: 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 |
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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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: \ postpone \ ; 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 ; |
Line 930 only forth also minimal definitions
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Line 1045 only forth also minimal definitions
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: 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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: 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 ; |