version 1.1, 1994/02/11 16:30:45
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version 1.14, 1994/10/24 19:15:53
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Line 21
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Line 21
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\ targets 09jun93jaw |
\ targets 09jun93jaw |
\ added: 2user and value 11jun93jaw |
\ added: 2user and value 11jun93jaw |
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include other.fs \ ansforth extentions for cross |
\ include other.fs \ ansforth extentions for cross |
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decimal |
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\ number? 11may93jaw |
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\ checks for +, -, $, & ... |
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: leading? ( c-addr u -- c-addr u doubleflag negflag base ) |
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2dup 1- chars + c@ [char] . = \ process double |
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IF dup 1 chars = IF over 1 swap c! false ELSE 1 chars - true THEN |
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\ only if more than only . ( may be number output! ) |
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\ if only . => store garbage |
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ELSE false THEN >r \ numbers |
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false -rot base @ -rot |
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BEGIN over c@ |
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dup [char] - = |
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IF drop >r >r >r |
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drop true r> r> r> 0 THEN |
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dup [char] + = |
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IF drop 0 THEN |
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dup [char] $ = |
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IF drop >r >r drop 16 r> r> 0 THEN |
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dup [char] & = |
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IF drop >r >r drop 10 r> r> 0 THEN |
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0= IF 1 chars - swap char+ swap false ELSE true THEN |
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over 0= or |
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UNTIL |
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rot >r rot r> r> -rot ; |
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: number? ( c-addr -- n/d flag ) |
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\ return -1 if cell 1 if double 0 if garbage |
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0 swap 0 swap \ create double number |
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count leading? |
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base @ >r base ! |
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>r >r |
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>number IF 2drop false r> r> 2drop |
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r> base ! EXIT THEN |
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drop r> r> |
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IF IF dnegate 1 |
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ELSE drop negate -1 THEN |
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ELSE IF 1 ELSE drop -1 THEN |
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THEN r> base ! ; |
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: comment? ( c-addr u -- c-addr u ) |
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2dup s" (" compare 0= |
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IF postpone ( |
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ELSE 2dup s" \" compare 0= IF postpone \ THEN |
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THEN ; |
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decimal |
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\ Begin CROSS COMPILER: |
\ Begin CROSS COMPILER: |
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Line 75 VARIABLE GhostNames
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Line 40 VARIABLE GhostNames
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0 GhostNames ! |
0 GhostNames ! |
: GhostName ( -- addr ) |
: GhostName ( -- addr ) |
here GhostNames @ , GhostNames ! here 0 , |
here GhostNames @ , GhostNames ! here 0 , |
name count |
bl word count |
\ 2dup type space |
\ 2dup type space |
dup c, here over chars allot swap move align ; |
dup c, here over chars allot swap move align ; |
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Line 117 Variable bit$
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Line 82 Variable bit$
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Variable tdp |
Variable tdp |
: there tdp @ ; |
: there tdp @ ; |
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\ Constants 06apr93py |
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-2 Constant :docol |
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-3 Constant :docon |
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-4 Constant :dovar |
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-5 Constant :dodoes |
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\ Parameter for target systems 06oct92py |
\ Parameter for target systems 06oct92py |
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include machine.fs |
included |
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>TARGET |
>TARGET |
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Line 135 include machine.fs
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Line 93 include machine.fs
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: cell+ cell + ; |
: cell+ cell + ; |
: cells cell<< lshift ; |
: cells cell<< lshift ; |
: chars ; |
: chars ; |
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: floats float * ; |
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>CROSS |
>CROSS |
: cell/ cell<< rshift ; |
: cell/ cell<< rshift ; |
>TARGET |
>TARGET |
Line 144 include machine.fs
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Line 103 include machine.fs
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-2 Constant :docol |
-2 Constant :docol |
-3 Constant :docon |
-3 Constant :docon |
-4 Constant :dovar |
-4 Constant :dovar |
-5 Constant :dodoes |
-5 Constant :douser |
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-6 Constant :dodefer |
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-7 Constant :dodoes |
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-8 Constant :doesjump |
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>CROSS |
>CROSS |
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endian 0 pad ! -1 pad c! pad @ 0< |
bigendian 0 pad ! -1 pad c! pad @ 0< |
= [IF] : bswap ; immediate |
= [IF] : bswap ; immediate |
[ELSE] : bswap ( big / little -- little / big ) 0 |
[ELSE] : bswap ( big / little -- little / big ) 0 |
cell 1- FOR bits/byte lshift over |
cell 1- FOR bits/byte lshift over |
Line 160 endian 0 pad ! -1 pad c! pad @ 0<
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Line 122 endian 0 pad ! -1 pad c! pad @ 0<
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\ Fixed bug in else part 11may93jaw |
\ Fixed bug in else part 11may93jaw |
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[IFDEF] Memory \ Memory is a bigFORTH feature |
[IFDEF] Memory \ Memory is a bigFORTH feature |
Memory |
also Memory |
: initmem ( var len -- ) |
: initmem ( var len -- ) |
2dup swap handle! >r @ r> erase ; |
2dup swap handle! >r @ r> erase ; |
Target |
toss |
[ELSE] |
[ELSE] |
: initmem ( var len -- ) |
: initmem ( var len -- ) |
tuck allocate abort" CROSS: No memory for target" |
tuck allocate abort" CROSS: No memory for target" |
Line 186 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 148 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ; |
: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ; |
: +bit ( addr n -- ) >bit over c@ or swap c! ; |
: +bit ( addr n -- ) >bit over c@ or swap c! ; |
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: -bit ( addr n -- ) >bit invert over c@ and swap c! ; |
: relon ( taddr -- ) bit$ @ swap cell/ +bit ; |
: relon ( taddr -- ) bit$ @ swap cell/ +bit ; |
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: reloff ( taddr -- ) bit$ @ swap cell/ -bit ; |
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\ Target memory access 06oct92py |
\ Target memory access 06oct92py |
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Line 204 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 168 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: ! ( w taddr -- ) >r bswap r> >image ! ; |
: ! ( w taddr -- ) >r bswap r> >image ! ; |
: c@ ( taddr -- char ) >image c@ ; |
: c@ ( taddr -- char ) >image c@ ; |
: c! ( char taddr -- ) >image c! ; |
: c! ( char taddr -- ) >image c! ; |
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: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
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: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ; |
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\ Target compilation primitives 06oct92py |
\ Target compilation primitives 06oct92py |
\ included A! 16may93jaw |
\ included A! 16may93jaw |
Line 228 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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: >body ( cfa -- pfa ) T cell+ cell+ H ; |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
>CROSS |
>CROSS |
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: dodoes, ( -- ) T 0 , 0 , H ; |
: dodoes, ( -- ) T :doesjump A, 0 , H ; |
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\ Ghost Builder 06oct92py |
\ Ghost Builder 06oct92py |
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Line 254 Variable atonce atonce off
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Line 220 Variable atonce atonce off
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: >magic ; : >link cell+ ; : >exec cell+ cell+ ; |
: >magic ; : >link cell+ ; : >exec cell+ cell+ ; |
: >end 3 cells + ; |
: >end 3 cells + ; |
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Variable last-ghost |
: Make-Ghost ( "name" -- ghost ) |
: Make-Ghost ( "name" -- ghost ) |
>in @ GhostName swap >in ! |
>in @ GhostName swap >in ! |
<T Create atonce @ IF immediate atonce off THEN |
<T Create atonce @ IF immediate atonce off THEN |
here tuck swap ! ghostheader T> |
here tuck swap ! ghostheader T> |
DOES> >exec @ execute ; |
DOES> dup last-ghost ! >exec @ execute ; |
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\ ghost words 14oct92py |
\ ghost words 14oct92py |
\ changed: 10may93py/jaw |
\ changed: 10may93py/jaw |
Line 266 Variable atonce atonce off
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Line 233 Variable atonce atonce off
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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 |
\ !! wouldn't it be simpler to just use search-wordlist ? ae |
>r get-order 0 set-order also ghosts r> find >r >r |
dup count [ ' ghosts >body ] ALiteral search-wordlist |
set-order r> r@ IF >body THEN r> ; |
dup IF >r >body nip r> THEN ; |
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VARIABLE Already |
VARIABLE Already |
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: ghost ( "name" -- ghost ) |
: ghost ( "name" -- ghost ) |
Already off |
Already off |
>in @ name gfind IF Already on nip EXIT THEN |
>in @ bl word gfind IF Already on nip EXIT THEN |
drop >in ! Make-Ghost ; |
drop >in ! Make-Ghost ; |
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\ resolve 14oct92py |
\ resolve 14oct92py |
Line 328 variable ResolveFlag
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Line 295 variable ResolveFlag
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Ghostnames |
Ghostnames |
BEGIN @ dup |
BEGIN @ dup |
WHILE dup ?resolved |
WHILE dup ?resolved |
REPEAT drop ResolveFlag @ 0= IF ." Nothing!" THEN cr ; |
REPEAT drop ResolveFlag @ |
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IF |
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abort" Unresolved words!" |
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ELSE |
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." Nothing!" |
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THEN |
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cr ; |
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>CROSS |
>CROSS |
\ Header states 12dec92py |
\ Header states 12dec92py |
Line 342 VARIABLE ^imm
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Line 315 VARIABLE ^imm
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^imm @ @ dup <imm> = ?EXIT |
^imm @ @ dup <imm> = ?EXIT |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<imm> ^imm @ ! ; |
<imm> ^imm @ ! ; |
: restrict ; |
: restrict 40 flag! ; |
>CROSS |
>CROSS |
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\ ALIAS2 ansforth conform alias 9may93jaw |
\ ALIAS2 ansforth conform alias 9may93jaw |
Line 355 VARIABLE ^imm
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Line 328 VARIABLE ^imm
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: string, ( addr count -- ) |
: string, ( addr count -- ) |
dup T c, H bounds DO I c@ T c, H LOOP ; |
dup T c, H bounds DO I c@ T c, H LOOP ; |
: name, ( "name" -- ) name count string, T align H ; |
: name, ( "name" -- ) bl word count string, T align H ; |
: view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
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VARIABLE CreateFlag CreateFlag off |
VARIABLE CreateFlag CreateFlag off |
Line 376 VARIABLE CreateFlag CreateFlag off
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Line 349 VARIABLE CreateFlag CreateFlag off
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VARIABLE ;Resolve 1 cells allot |
VARIABLE ;Resolve 1 cells allot |
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: Theader ( "name" -- ) (THeader there resolve 0 ;Resolve ! ; |
: Theader ( "name" -- ghost ) |
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(THeader dup there resolve 0 ;Resolve ! ; |
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>TARGET |
>TARGET |
: Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
Line 412 ghost (do) ghost (?do)
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Line 386 ghost (do) ghost (?do)
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ghost (for) drop |
ghost (for) drop |
ghost (loop) ghost (+loop) 2drop |
ghost (loop) ghost (+loop) 2drop |
ghost (next) drop |
ghost (next) drop |
ghost unloop ghost EXIT 2drop |
ghost unloop ghost ;S 2drop |
ghost lit ghost (compile) ghost ! 2drop drop |
ghost lit ghost (compile) ghost ! 2drop drop |
ghost (;code) ghost noop 2drop |
ghost (;code) ghost noop 2drop |
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
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ghost ' |
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\ compile 10may93jaw |
\ compile 10may93jaw |
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: compile ( -- ) \ name |
: compile ( -- ) \ name |
restrict? |
restrict? |
name gfind dup 0= ABORT" CROSS: Can't compile " |
bl word gfind dup 0= ABORT" CROSS: Can't compile " |
0> ( immediate? ) |
0> ( immediate? ) |
IF >exec @ compile, |
IF >exec @ compile, |
ELSE postpone literal postpone gexecute THEN ; |
ELSE postpone literal postpone gexecute THEN ; |
immediate |
immediate |
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>TARGET |
>TARGET |
: ' ( -- cfa ) name 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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Cond: ['] compile lit ghost gexecute ;Cond |
Cond: ['] compile lit ghost gexecute ;Cond |
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Cond: chars ;Cond |
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>CROSS |
>CROSS |
\ tLiteral 12dec92py |
\ tLiteral 12dec92py |
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Line 465 Cond: [Char] ( "<char>" -- ) restrict
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Line 442 Cond: [Char] ( "<char>" -- ) restrict
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: ] state on |
: ] state on |
BEGIN |
BEGIN |
BEGIN >in @ name |
BEGIN >in @ bl word |
dup c@ 0= WHILE 2drop refill 0= |
dup c@ 0= WHILE 2drop refill 0= |
ABORT" CROSS: End of file while target compiling" |
ABORT" CROSS: End of file while target compiling" |
REPEAT |
REPEAT |
Line 481 Cond: [Char] ( "<char>" -- ) restrict
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Line 458 Cond: [Char] ( "<char>" -- ) restrict
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(THeader ;Resolve ! there ;Resolve cell+ ! |
(THeader ;Resolve ! there ;Resolve cell+ ! |
docol, depth T ] H ; |
docol, depth T ] H ; |
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Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
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Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
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Cond: ; ( -- ) restrict? |
Cond: ; ( -- ) restrict? |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
ELSE true ABORT" CROSS: Stack empty" THEN |
ELSE true ABORT" CROSS: Stack empty" THEN |
compile EXIT state off |
compile ;S state off |
;Resolve @ |
;Resolve @ |
IF ;Resolve @ ;Resolve cell+ @ resolve THEN |
IF ;Resolve @ ;Resolve cell+ @ resolve THEN |
;Cond |
;Cond |
Line 508 Cond: DOES> restrict?
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Line 489 Cond: DOES> restrict?
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>in @ alias2 swap dup >in ! >r >r |
>in @ alias2 swap dup >in ! >r >r |
Make-Ghost rot swap >exec ! , |
Make-Ghost rot swap >exec ! , |
r> r> >in ! |
r> r> >in ! |
also ghosts ' previous swap ! |
also ghosts ' previous swap ! ; |
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 dup >link @ dup 0< IF T A, 0 , H drop EXIT THEN drop THEN |
:dodoes T A, H gexecute ; |
:dodoes T A, H gexecute T here H cell - reloff ; |
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: TCreate ( ghost -- ) |
: TCreate ( -- ) |
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last-ghost @ |
CreateFlag on |
CreateFlag on |
Theader dup gdoes, |
Theader >r dup gdoes, |
>end @ >exec @ execute ; |
>end @ >exec @ r> >exec ! ; |
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: Build: ( -- [xt] [colon-sys] ) |
: Build: ( -- [xt] [colon-sys] ) |
:noname postpone TCreate ; |
:noname postpone TCreate ; |
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: gdoes> ( ghost -- addr flag ) |
: gdoes> ( ghost -- addr flag ) |
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last-ghost @ |
state @ IF gexecute true EXIT THEN |
state @ IF gexecute true EXIT THEN |
cell+ @ T >body H false ; |
cell+ @ T >body H false ; |
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\ DO: ;DO 11may93jaw |
\ DO: ;DO 11may93jaw |
\ changed to ?EXIT 10may93jaw |
\ changed to ?EXIT 10may93jaw |
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: (does>) postpone does> ; immediate \ second level does> |
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: DO: ( -- addr [xt] [colon-sys] ) |
: DO: ( -- addr [xt] [colon-sys] ) |
here ghostheader |
here ghostheader |
:noname |
:noname postpone gdoes> postpone ?EXIT ; |
postpone (does>) 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 ) |
Line 560 Build: T 0 A, H ;
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Line 540 Build: T 0 A, H ;
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by Create |
by Create |
Builder AVariable |
Builder AVariable |
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Build: T 0 , H ; |
\ User variables 04may94py |
by Create |
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>CROSS |
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Variable tup 0 tup ! |
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Variable tudp 0 tudp ! |
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: u, ( n -- udp ) |
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tup @ tudp @ + T ! H |
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tudp @ dup cell+ tudp ! ; |
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: au, ( n -- udp ) |
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tup @ tudp @ + T A! H |
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tudp @ dup cell+ tudp ! ; |
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>TARGET |
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Build: T 0 u, , H ; |
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DO: ( ghost -- up-addr ) T @ H tup @ + ;DO |
Builder User |
Builder User |
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by User :douser resolve |
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Build: T 0 , 0 , H ; |
Build: T 0 u, , 0 u, drop H ; |
by Create |
by User |
Builder 2User |
Builder 2User |
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Build: T 0 A, H ; |
Build: T 0 au, , H ; |
by Create |
by User |
Builder AUser |
Builder AUser |
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Build: ( n -- ) T , H ; |
Build: ( n -- ) T , H ; |
Line 588 Builder Value
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Line 582 Builder Value
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Build: ( -- ) compile noop ; |
Build: ( -- ) compile noop ; |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
Builder Defer |
Builder Defer |
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by Defer :dodefer resolve |
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\ structural conditionals 17dec92py |
\ structural conditionals 17dec92py |
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Line 656 Cond: ABORT" restrict? compile (ABORT
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Line 651 Cond: ABORT" restrict? compile (ABORT
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Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
: IS T ' >body ! H ; |
: IS T ' >body ! H ; |
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Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
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: TO T ' >body ! H ; |
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\ LINKED ERR" ENV" 2ENV" 18may93jaw |
\ LINKED ERR" ENV" 2ENV" 18may93jaw |
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Line 675 Cond: IS T ' >body H compile ALit
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Line 672 Cond: IS T ' >body H compile ALit
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\ compile must be last 22feb93py |
\ compile must be last 22feb93py |
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Cond: compile ( -- ) restrict? \ name |
Cond: compile ( -- ) restrict? \ name |
name gfind dup 0= ABORT" CROSS: Can't compile" |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
ELSE compile (compile) gexecute THEN THEN ;Cond |
ELSE compile (compile) gexecute THEN THEN ;Cond |
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Cond: postpone ( -- ) restrict? \ name |
Cond: postpone ( -- ) restrict? \ name |
name gfind dup 0= ABORT" CROSS: Can't compile" |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
Line 696 also minimal
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Line 693 also minimal
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\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
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: there? name gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
: there? bl word gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
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: [IFDEF] there? postpone [IF] ; |
: [IFDEF] there? postpone [IF] ; |
: [IFUNDEF] there? 0= postpone [IF] ; |
: [IFUNDEF] there? 0= postpone [IF] ; |
Line 736 Cond: [ELSE] [ELSE] ;Cond
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Line 733 Cond: [ELSE] [ELSE] ;Cond
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\ [THEN] |
\ [THEN] |
\ included throw after create-file 11may93jaw |
\ included throw after create-file 11may93jaw |
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endian Constant endian |
bigendian Constant bigendian |
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: save-cross ( "name" -- ) |
: save-cross ( "name" -- ) |
bl parse ." Saving to " 2dup type |
bl parse ." Saving to " 2dup type |
Line 749 endian Constant endian
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Line 746 endian Constant endian
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: + + ; : 1- 1- ; |
: + + ; : 1- 1- ; |
: - - ; : 2* 2* ; |
: - - ; : 2* 2* ; |
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: * * ; : / / ; |
: dup dup ; : over over ; |
: dup dup ; : over over ; |
: swap swap ; : rot rot ; |
: swap swap ; : rot rot ; |
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: drop drop ; |
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: lshift lshift ; : 2/ 2/ ; |
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cell constant cell |
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\ include bug5.fs |
\ include bug5.fs |
\ only forth also minimal definitions |
\ only forth also minimal definitions |
Line 769 only forth also minimal definitions
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Line 770 only forth also minimal definitions
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: decimal decimal ; |
: decimal decimal ; |
: hex hex ; |
: hex hex ; |
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: tudp T tudp H ; |
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: tup T tup H ; minimal |
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\ for debugging... |
\ for debugging... |
: order order ; |
: order order ; |