version 1.7, 1994/07/08 15:00:30
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version 1.11, 1994/09/02 15:23:33
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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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: comment? ( c-addr u -- c-addr u ) |
: comment? ( c-addr u -- c-addr u ) |
2dup s" (" compare 0= |
2dup s" (" compare 0= |
Line 31 include other.fs \ ansforth extent
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Line 31 include other.fs \ ansforth extent
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decimal |
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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\ Begin CROSS COMPILER: |
\ Begin CROSS COMPILER: |
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\ GhostNames 9may93jaw |
\ GhostNames 9may93jaw |
Line 125 Variable tdp
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Line 84 Variable tdp
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\ Parameter for target systems 06oct92py |
\ Parameter for target systems 06oct92py |
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include machine.fs |
include-file |
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>TARGET |
>TARGET |
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Line 145 include machine.fs
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Line 104 include machine.fs
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-3 Constant :docon |
-3 Constant :docon |
-4 Constant :dovar |
-4 Constant :dovar |
-5 Constant :douser |
-5 Constant :douser |
-6 Constant :dodoes |
-6 Constant :dodefer |
-7 Constant :doesjump |
-7 Constant :dodoes |
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-8 Constant :doesjump |
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>CROSS |
>CROSS |
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Line 260 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 336 variable ResolveFlag
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Line 297 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 350 VARIABLE ^imm
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Line 317 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 384 VARIABLE CreateFlag CreateFlag off
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Line 351 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 424 ghost unloop ghost ;S
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Line 392 ghost unloop ghost ;S
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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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Line 520 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 T here H cell - reloff ; |
: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 614 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 682 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 775 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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