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forth: Forth-ify "(parsed)"

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This commit is contained in:
Virgil Dupras 2020-03-30 17:21:13 -04:00
parent 80985460d4
commit 4756fb7763
4 changed files with 24 additions and 30 deletions
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BIN
emul/forth/z80c.bin
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Binary file not shown.

36
forth/forth.asm
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@ -116,22 +116,23 @@
jp nativeWord jp nativeWord
jp next jp next
jp chkPS jp chkPS
; 24 ; 32
.dw numberWord .dw numberWord
.dw litWord .dw litWord
.dw INITIAL_SP .dw INITIAL_SP
.dw WORDBUF .dw WORDBUF
jp flagsToBC jp flagsToBC
; 35 ; 43
jp strcmp jp strcmp
.dw RS_ADDR .dw RS_ADDR
.dw CINPTR .dw CINPTR
.dw SYSVNXT .dw SYSVNXT
.dw FLAGS .dw FLAGS
; 46 ; 54
.dw PARSEPTR .dw PARSEPTR
.dw HERE .dw HERE
.dw CURRENT .dw CURRENT
jp parseDecimal
; *** Code *** ; *** Code ***
forthMain: forthMain:
@ -162,7 +163,7 @@ forthMain:
.bootName: .bootName:
.db "BOOT", 0 .db "BOOT", 0
.fill 101 .fill 98
; STABLE ABI ; STABLE ABI
; Offset: 00cd ; Offset: 00cd
@ -762,33 +763,10 @@ NOT:
jp next jp next
.fill 100 .fill 362
.db "(parsed)"
.dw $-NOT
.db 8
PARSED:
.dw nativeWord
pop hl
call chkPS
call parseDecimal
jr z, .success
; error
ld de, 0
push de ; dummy
push de ; flag
jp next
.success:
push de
ld de, 1 ; flag
push de
jp next
.fill 224
.db "_bend" .db "_bend"
.dw $-PARSED .dw $-NOT
.db 5 .db 5
; Offset: 0647 ; Offset: 0647
.out $ .out $

2
forth/icore.fs
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@ -85,7 +85,7 @@
( This is only the "early parser" in earlier stages. No need ( This is only the "early parser" in earlier stages. No need
for an abort message ) for an abort message )
: (parse) : (parse)
(parsed) NOT IF _c ABORT THEN _c (parsed) NOT IF _c ABORT THEN
; ;
( a -- ) ( a -- )

16
forth/z80c.fs
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@ -347,3 +347,19 @@ CODE CMP
BC PUSHqq, BC PUSHqq,
;CODE ;CODE
CODE (parsed)
HL POPqq,
chkPS,
( 60 == parseDecimal )
60 CALLnn,
10 JRZe, ( success )
( error )
DE 0 LDddnn,
DE PUSHqq, ( dummy )
DE PUSHqq, ( flag )
JPNEXT,
( success )
DE PUSHqq,
DE 1 LDddnn,
DE PUSHqq,
;CODE