version 1.5, 1994/06/01 10:05:14
|
version 1.9, 1994/07/21 10:52:37
|
Line 21
|
Line 21
|
\ targets 09jun93jaw |
\ targets 09jun93jaw |
\ added: 2user and value 11jun93jaw |
\ added: 2user and value 11jun93jaw |
|
|
include other.fs \ ansforth extentions for cross |
\ include other.fs \ ansforth extentions for cross |
|
|
: 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
|
Line 31 include other.fs \ ansforth extent
|
|
|
decimal |
decimal |
|
|
\ number? 11may93jaw |
|
|
|
\ checks for +, -, $, & ... |
|
: leading? ( c-addr u -- c-addr u doubleflag negflag base ) |
|
2dup 1- chars + c@ [char] . = \ process double |
|
IF dup 1 chars = IF over 1 swap c! false ELSE 1 chars - true THEN |
|
\ only if more than only . ( may be number output! ) |
|
\ if only . => store garbage |
|
ELSE false THEN >r \ numbers |
|
false -rot base @ -rot |
|
BEGIN over c@ |
|
dup [char] - = |
|
IF drop >r >r >r |
|
drop true r> r> r> 0 THEN |
|
dup [char] + = |
|
IF drop 0 THEN |
|
dup [char] $ = |
|
IF drop >r >r drop 16 r> r> 0 THEN |
|
dup [char] & = |
|
IF drop >r >r drop 10 r> r> 0 THEN |
|
0= IF 1 chars - swap char+ swap false ELSE true THEN |
|
over 0= or |
|
UNTIL |
|
rot >r rot r> r> -rot ; |
|
|
|
: number? ( c-addr -- n/d flag ) |
|
\ return -1 if cell 1 if double 0 if garbage |
|
0 swap 0 swap \ create double number |
|
count leading? |
|
base @ >r base ! |
|
>r >r |
|
>number IF 2drop false r> r> 2drop |
|
r> base ! EXIT THEN |
|
drop r> r> |
|
IF IF dnegate 1 |
|
ELSE drop negate -1 THEN |
|
ELSE IF 1 ELSE drop -1 THEN |
|
THEN r> base ! ; |
|
|
|
|
|
|
|
\ Begin CROSS COMPILER: |
\ Begin CROSS COMPILER: |
|
|
\ GhostNames 9may93jaw |
\ GhostNames 9may93jaw |
Line 134 include machine.fs
|
Line 93 include machine.fs
|
: cell+ cell + ; |
: cell+ cell + ; |
: cells cell<< lshift ; |
: cells cell<< lshift ; |
: chars ; |
: chars ; |
|
: floats float * ; |
|
|
>CROSS |
>CROSS |
: cell/ cell<< rshift ; |
: cell/ cell<< rshift ; |
>TARGET |
>TARGET |
Line 207 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
|
Line 167 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
|
: ! ( 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! ; |
|
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
|
: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ; |
|
|
\ Target compilation primitives 06oct92py |
\ Target compilation primitives 06oct92py |
\ included A! 16may93jaw |
\ included A! 16may93jaw |
Line 347 VARIABLE ^imm
|
Line 309 VARIABLE ^imm
|
^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 |
|
|
\ ALIAS2 ansforth conform alias 9may93jaw |
\ ALIAS2 ansforth conform alias 9may93jaw |
Line 421 ghost unloop ghost ;S
|
Line 383 ghost unloop ghost ;S
|
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 |
|
ghost ' |
|
|
\ compile 10may93jaw |
\ compile 10may93jaw |
|
|
Line 488 Cond: [Char] ( "<char>" -- ) restrict
|
Line 451 Cond: [Char] ( "<char>" -- ) restrict
|
|
|
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
|
|
|
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
|
|
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 |
Line 677 Cond: ABORT" restrict? compile (ABORT
|
Line 642 Cond: ABORT" restrict? compile (ABORT
|
|
|
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 ; |
|
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
|
: TO T ' >body ! H ; |
|
|
\ LINKED ERR" ENV" 2ENV" 18may93jaw |
\ LINKED ERR" ENV" 2ENV" 18may93jaw |
|
|