mirror of
https://github.com/A2osX/A2osX.git
synced 2024-09-10 07:54:37 +00:00
770 lines
12 KiB
Plaintext
770 lines
12 KiB
Plaintext
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NEW
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AUTO 3,1
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*--------------------------------------
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KW.Lookup >LDYA L.KEYWORDS
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>STYA ZPPtr1
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>LDYA ZPCLBufPtr
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>STYA ZPPtr2
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ldx #0
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.1 ldy #$ff
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.2 jsr .7 get next valid char in src text
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bcs .3
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.20 jsr ToUpperCase
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eor (ZPPtr1),y match table char ?
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asl compare only 7 bits
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bne .4 no match...get next table keyword
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bcc .2 not last char in this keyword
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jsr .7 next char in text...
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bcc .4 valid....failed
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.8 tya Keyword Len
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clc
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rts
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.3 dey
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lda (ZPPtr1),y was last char in this keyword ?
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bmi .8
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iny
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.41 jsr IncPtr1 skip chars to next keyword
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.4 lda (ZPPtr1)
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bpl .41
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jsr IncPtr1
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.6 inx
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lda (ZPPtr1) Array Ending 0, lookup failed
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bne .1
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.9 sec
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rts
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.7 iny
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lda (ZPPtr2),y Get Src text char...
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beq .9 end of text
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jsr IsSpaceOrCR
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bcc .9 end of valid chars
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clc
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rts
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*--------------------------------------
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KW.DUP lda pStack
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sec
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sbc #2
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bcc .9
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lda (pStack)
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tax
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ldy #1
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lda (pStack),y
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>PUSHA
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txa
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>PUSHA
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clc
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rts
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.9 lda #E.STKOVERFLOW
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sec
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rts
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*--------------------------------------
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KW.DROP lda pStack
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beq .9
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inc pStack
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beq .9
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inc pStack
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clc
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rts
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.9 lda #E.STACKERROR
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sec
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rts
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*--------------------------------------
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KW.SWAP ldy #3
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lda (pStack),y
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pha
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dey #2
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lda (pStack),y
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pha
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lda (pStack)
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tax
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pla
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sta (pStack)
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txa
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sta (pStack),y #2
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dey #1
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lda (pStack),y
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tax
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pla
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sta (pStack),y
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iny
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iny #3
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txa
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sta (pStack),y
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clc
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rts
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*--------------------------------------
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KW.OVER lda pStack
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sec
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sbc #2
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bcc .9
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ldy #3
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lda (pStack),y
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>PUSHA
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lda (pStack),y
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>PUSHA
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clc
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rts
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.9 lda #E.STKOVERFLOW
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sec
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rts
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*--------------------------------------
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KW.ROT
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*--------------------------------------
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KW.mDUP
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*--------------------------------------
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KW.gR
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*--------------------------------------
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KW.Rg
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*--------------------------------------
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KW.R
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clc
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rts
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*--------------------------------------
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KW.Add jsr CheckStackPop4
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bcs .9
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clc
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ldy #2
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lda (pStack),y
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adc (pStack)
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sta (pStack),y
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inc pStack
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lda (pStack),y
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adc (pStack)
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sta (pStack),y
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inc pStack
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clc
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.9 rts
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*--------------------------------------
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KW.DAdd >FPU ADD32
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clc
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rts
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*--------------------------------------
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KW.Sub jsr CheckStackPop4
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bcs .9
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sec
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ldy #2
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lda (pStack),y
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sbc (pStack)
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sta (pStack),y
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inc pStack
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lda (pStack),y
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sbc (pStack)
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sta (pStack),y
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inc pStack
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clc
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.9 rts
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*--------------------------------------
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KW.Mul
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*--------------------------------------
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KW.Div
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*--------------------------------------
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KW.Mod
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*--------------------------------------
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KW.DivMod
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*--------------------------------------
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KW.MulDivMod
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*--------------------------------------
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KW.MulDiv
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*--------------------------------------
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KW.MAX jsr CheckStackPop4
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bcs .9
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lda (pStack) LO
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ldy #2
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cmp (pStack),y
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dey #1
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lda (pStack),y HI
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iny
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iny #3
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sbc (pStack),y
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bcc .1
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jsr KW.SWAP
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.1 jmp KW.DROP
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.9 rts
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*--------------------------------------
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KW.MIN jsr CheckStackPop4
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bcs .9
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lda (pStack) LO
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ldy #2
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cmp (pStack),y
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dey #1
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lda (pStack),y HI
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iny
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iny #3
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sbc (pStack),y
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bcs .1
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jsr KW.SWAP
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.1 jmp KW.DROP
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.9 rts
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*--------------------------------------
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KW.ABS
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*--------------------------------------
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KW.DABS
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clc
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rts
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*--------------------------------------
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KW.MINUS lda (pStack) LO
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eor #$ff
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sec
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adc #0
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sta (pStack)
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ldy #1
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lda (pStack),y HI
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eor #$ff
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adc #0
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sta (pStack),y
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clc
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rts
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*--------------------------------------
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KW.DMINUS lda (pStack) LO
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eor #$ff
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sec
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adc #0
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sta (pStack)
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ldy #1
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lda (pStack),y HI
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eor #$ff
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adc #0
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sta (pStack),y
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iny
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lda (pStack),y
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eor #$ff
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adc #0
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sta (pStack),y
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iny
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lda (pStack),y
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eor #$ff
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adc #0
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sta (pStack),y
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clc
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rts
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*--------------------------------------
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KW.AND jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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and (pStack)
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sta (pStack),y
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inc pStack
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lda (pStack),y
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and (pStack)
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sta (pStack),y
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inc pStack
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clc
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.9 rts
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*--------------------------------------
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KW.OR jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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ora (pStack)
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sta (pStack),y
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inc pStack
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lda (pStack),y
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ora (pStack)
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sta (pStack),y
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inc pStack
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clc
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.9 rts
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*--------------------------------------
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KW.XOR jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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eor (pStack)
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sta (pStack),y
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inc pStack
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lda (pStack),y
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eor (pStack)
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sta (pStack),y
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inc pStack
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clc
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.9 rts
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*--------------------------------------
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KW.LWR jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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cmp (pStack)
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inc pStack
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lda (pStack),y
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sbc (pStack),y
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inc pStack
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inc pStack
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rol
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sta (pStack)
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clc
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.9 rts
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*--------------------------------------
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KW.GTR jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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cmp (pStack)
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inc pStack
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lda (pStack),y
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sbc (pStack),y
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inc pStack
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inc pStack
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rol
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eor #$80
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sta (pStack)
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clc
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.9 rts
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*--------------------------------------
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KW.EQ jsr CheckStackPop4
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bcs .9
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ldy #2
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lda (pStack),y
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sec
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sbc (pStack)
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tax
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inc pStack
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lda (pStack),y
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sbc (pStack),y
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inc pStack
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inc pStack
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bcc .1
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txa
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bne .1
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sec
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.HS 90 BCC
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.1 clc
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ror
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sta (pStack)
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clc
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.9 rts
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*--------------------------------------
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KW.NEGATIVE >PULLA
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>PULLA
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bpl .9
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sec
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.HS 90 BCC
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.9 clc
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ror
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sta (pStack)
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clc
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rts
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*--------------------------------------
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KW.ZERO >PULLA
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tax
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>PULLA
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bne .9
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txa
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bne .9
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|
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sec
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.HS 90 BCC
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.9 clc
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ror
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sta (pStack)
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|
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clc
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|||
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rts
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*--------------------------------------
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KW.. jsr KW.DUP
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bcs .9
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|
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ldy #2
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lda L.FMT.int16
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sta (pStack),y
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|
iny
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lda L.FMT.int16+1
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sta (pStack),y
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>PUSHBI 2
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>SYSCALL PrintF
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* clc
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.9 rts
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|||
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*--------------------------------------
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KW..R
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*--------------------------------------
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KW.D.
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|||
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*--------------------------------------
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|||
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KW.D.R
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|||
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clc
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|||
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rts
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|||
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*--------------------------------------
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|||
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KW.CR >PUSHW L.MSG.ECHOCRLF
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>PUSHBI 0
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|||
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>SYSCALL PrintF
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|||
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rts
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|||
|
*--------------------------------------
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|||
|
KW.SPACE lda #C.SPACE
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>SYSCALL PutChar
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rts
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|||
|
*--------------------------------------
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|||
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KW.SPACES >PULLA
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|||
|
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|||
|
beq .8
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|||
|
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|||
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.1 dec
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|||
|
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|||
|
pha
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|||
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|||
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lda #C.SPACE
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|||
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>SYSCALL PutChar
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|||
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pla
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|||
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bne .1
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|||
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.8 clc
|
|||
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rts
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|||
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*--------------------------------------
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KW.PRINT >LDYAI 256
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|||
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>SYSCALL GetMem
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bcs .9
|
|||
|
|
|||
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>STYA ZPPtr1
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|||
|
phx
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|||
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|
|||
|
ldy #$ff
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|||
|
|
|||
|
clc
|
|||
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|
|||
|
.1 iny
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|||
|
lda (ZPCLBufPtr),y
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|||
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beq .2
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|||
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|
|||
|
sta (ZPPtr1),y
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|||
|
eor #'"
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|||
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bne .1
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|||
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|||
|
sec
|
|||
|
|
|||
|
.2 sta (ZPPtr1),y
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|||
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tya
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|||
|
adc ZPCLBufPtr
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|||
|
sta ZPCLBufPtr
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|||
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bcc .3
|
|||
|
|
|||
|
inc ZPCLBufPtr+1
|
|||
|
|
|||
|
.3 >LDYA ZPPtr1
|
|||
|
>SYSCALL PutS
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|||
|
|
|||
|
pla
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|||
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>SYSCALL freemem
|
|||
|
|
|||
|
jmp NextChar
|
|||
|
|
|||
|
.9 rts
|
|||
|
*--------------------------------------
|
|||
|
KW.DUMP
|
|||
|
*--------------------------------------
|
|||
|
KW.TYPE
|
|||
|
*--------------------------------------
|
|||
|
KW.COUNT
|
|||
|
*--------------------------------------
|
|||
|
KW.TERMINAL
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.KEY >SYSCALL GetChar
|
|||
|
bcs .9
|
|||
|
|
|||
|
>PUSHA
|
|||
|
|
|||
|
.9 rts
|
|||
|
*--------------------------------------
|
|||
|
KW.EMIT >PULLA
|
|||
|
>SYSCALL PutChar
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.EXPECT
|
|||
|
*--------------------------------------
|
|||
|
KW.WORD
|
|||
|
*--------------------------------------
|
|||
|
KW.NUMBER
|
|||
|
*--------------------------------------
|
|||
|
KW.STARTSTR
|
|||
|
*--------------------------------------
|
|||
|
KW.STRADD
|
|||
|
*--------------------------------------
|
|||
|
KW.STRDBL
|
|||
|
*--------------------------------------
|
|||
|
KW.SIGN
|
|||
|
*--------------------------------------
|
|||
|
KW.ENDSTR
|
|||
|
*--------------------------------------
|
|||
|
KW.HOLD
|
|||
|
*--------------------------------------
|
|||
|
KW.DECIMAL
|
|||
|
*--------------------------------------
|
|||
|
KW.HEX
|
|||
|
*--------------------------------------
|
|||
|
KW.OCTAL clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.FETCHW lda (pStack)
|
|||
|
sta ZPAddrPtr
|
|||
|
ldy #1
|
|||
|
lda (pStack),y
|
|||
|
sta ZPAddrPtr+1
|
|||
|
|
|||
|
lda (ZPAddrPtr)
|
|||
|
sta (pStack)
|
|||
|
lda (ZPAddrPtr),y
|
|||
|
sta (pStack),y
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.STOREW jsr CheckStackPop4
|
|||
|
bcs .9
|
|||
|
|
|||
|
>PULLW ZPAddrPtr
|
|||
|
>PULLA
|
|||
|
sta (ZPAddrPtr)
|
|||
|
>PULLA
|
|||
|
ldy #1
|
|||
|
sta (ZPAddrPtr),y
|
|||
|
|
|||
|
* clc
|
|||
|
|
|||
|
.9 rts
|
|||
|
*--------------------------------------
|
|||
|
KW.FETCHB >PULLW ZPAddrPtr
|
|||
|
lda (ZPAddrPtr)
|
|||
|
>PUSHA
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.STOREB >PULLW ZPAddrPtr
|
|||
|
>PULLA
|
|||
|
sta (ZPAddrPtr)
|
|||
|
clc
|
|||
|
KW.STOREB.RTS rts
|
|||
|
*--------------------------------------
|
|||
|
KW.FETCHPRINTW jsr KW.FETCHW
|
|||
|
bcs KW.STOREB.RTS
|
|||
|
jmp KW..
|
|||
|
*--------------------------------------
|
|||
|
KW.ADDTOW jsr KW.FETCHW
|
|||
|
bcs KW.STOREB.RTS
|
|||
|
jsr KW.Add
|
|||
|
bcs KW.STOREB.RTS
|
|||
|
jmp KW.STOREW
|
|||
|
*--------------------------------------
|
|||
|
KW.CMOVE
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.FILL >PULLA
|
|||
|
bra KW.FILL2
|
|||
|
|
|||
|
KW.ERASE lda #0
|
|||
|
bra KW.FILL2
|
|||
|
|
|||
|
KW.BLANKS lda #C.SPACE
|
|||
|
|
|||
|
KW.FILL2 tax
|
|||
|
|
|||
|
>PULLA
|
|||
|
tay
|
|||
|
|
|||
|
>PULLW ZPAddrPtr
|
|||
|
|
|||
|
txa
|
|||
|
|
|||
|
.1 dey
|
|||
|
sta (ZPAddrPtr),y
|
|||
|
cpy #0
|
|||
|
bne .1
|
|||
|
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.HERE >PUSHW ZPUsrBufPtr
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.PAD >PUSHW ZPPadBuf
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.ALLOT
|
|||
|
KW.nCOMPILE
|
|||
|
KW.QUOTE
|
|||
|
KW.FORGET
|
|||
|
KW.DEFINITIONS
|
|||
|
KW.VOCABULARY
|
|||
|
KW.FORTH
|
|||
|
KW.EDITOR
|
|||
|
KW.ASSEMBLER
|
|||
|
KW.VLIST
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.BCOLON
|
|||
|
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.ECOLON
|
|||
|
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.VARIABLE >PUSHB.G hSList
|
|||
|
>PUSHW ZPCLBufPtr
|
|||
|
|
|||
|
>SYSCALL SListNewKey
|
|||
|
bcs .9
|
|||
|
|
|||
|
>STYA ZPKeyID
|
|||
|
|
|||
|
txa
|
|||
|
jsr NextKW
|
|||
|
|
|||
|
>LDYA L.PUSHADDR
|
|||
|
>STYA ZPUsrCodePtr
|
|||
|
|
|||
|
>PUSHB.G hSList
|
|||
|
>PUSHW ZPKeyID
|
|||
|
>PUSHWI ZPUsrBufPtr
|
|||
|
>PUSHWI 4 BufPtr+CodePtr
|
|||
|
>SYSCALL SListAddData
|
|||
|
bcs .9
|
|||
|
|
|||
|
>PULLA
|
|||
|
sta (ZPUsrBufPtr)
|
|||
|
>PULLA
|
|||
|
ldy #1
|
|||
|
sta (ZPUsrBufPtr),y
|
|||
|
|
|||
|
lda ZPUsrBufPtr
|
|||
|
clc
|
|||
|
adc #2
|
|||
|
sta ZPUsrBufPtr
|
|||
|
bcc .9
|
|||
|
|
|||
|
inc ZPUsrBufPtr+1
|
|||
|
|
|||
|
clc
|
|||
|
.9 rts
|
|||
|
*--------------------------------------
|
|||
|
KW.CONSTANT
|
|||
|
*--------------------------------------
|
|||
|
KW.ACODE
|
|||
|
*--------------------------------------
|
|||
|
KW.FCODE
|
|||
|
*--------------------------------------
|
|||
|
KW.DO
|
|||
|
*--------------------------------------
|
|||
|
KW.LOOP
|
|||
|
*--------------------------------------
|
|||
|
PW.pLOOP
|
|||
|
*--------------------------------------
|
|||
|
KW.I
|
|||
|
*--------------------------------------
|
|||
|
KW.LEAVE
|
|||
|
*--------------------------------------
|
|||
|
KW.IF
|
|||
|
*--------------------------------------
|
|||
|
KW.ELSE
|
|||
|
*--------------------------------------
|
|||
|
KW.ENDIF
|
|||
|
*--------------------------------------
|
|||
|
KW.BEGIN
|
|||
|
*--------------------------------------
|
|||
|
KW.UNTIL
|
|||
|
*--------------------------------------
|
|||
|
KW.REPEAT
|
|||
|
*--------------------------------------
|
|||
|
KW.WHILE
|
|||
|
|
|||
|
clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
KW.COMMENT clc
|
|||
|
rts
|
|||
|
*--------------------------------------
|
|||
|
MAN
|
|||
|
SAVE usr/src/bin/forth.s.kw
|
|||
|
LOAD usr/src/bin/forth.s
|
|||
|
ASM
|