version 1.42, 1997/02/06 21:22:58
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version 1.43, 1997/02/08 22:58:09
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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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mach-file count included |
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\ Create additional parameters 19jan95py |
\ Create additional parameters 19jan95py |
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T |
T |
Line 187 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 194 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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cell tuck 1- and - [ cell 1- ] Literal and ; |
cell tuck 1- and - [ cell 1- ] Literal and ; |
: cfalign+ ( taddr -- rest ) |
: cfalign+ ( taddr -- rest ) |
\ see kernel.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+ + ; |
Line 250 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 424 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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: 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 450 VARIABLE ;Resolve 1 cells allot
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Line 475 VARIABLE ;Resolve 1 cells allot
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>TARGET |
>TARGET |
: Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
(THeader over resolve T A, H 80 flag! ; |
>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 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! ; |
: Alias: ( cfa -- ) \ name |
: Alias: ( cfa -- ) \ name |
ghost tuck swap resolve <do:> swap >magic ! ; |
>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 506 ghost :docol ghost :doesjump ghost :d
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Line 541 ghost :docol ghost :doesjump ghost :d
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: dodoes, ( -- ) compile :doesjump T 0 , H ; |
: 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 529 Cond: ALiteral ( n -- ) restrict? alit
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Line 583 Cond: ALiteral ( n -- ) restrict? alit
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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 561 Cond: [Char] ( "<char>" -- ) restrict
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Line 639 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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Line 840 also minimal
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Line 919 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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: [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 859 also minimal
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Line 938 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 889 char 1 bigendian + cell + magic 7 + c!
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Line 968 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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mach-file count included |
mach-file count included |
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\ include bug5.fs |
: all-words ['] false IS skip? ; |
\ only forth also minimal definitions |
: needed-words ['] needed? IS skip? ; |
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: undef-words ['] defined? IS skip? ; |
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: \ postpone \ ; immediate |
: \ postpone \ ; immediate |
: ( postpone ( ; immediate |
: ( postpone ( ; immediate |