mirror of https://github.com/A2osX/A2osX.git
340 lines
5.1 KiB
Plaintext
340 lines
5.1 KiB
Plaintext
NEW
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PREFIX
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AUTO 4,1
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*---------------------------------------
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FIO.Init >LDYA L.ASM.6502
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FIO.LOAD.ASM.T >STYA ZPPtr2
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ldy #S.PS.hARGV
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lda (pPS),y
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>SYSCALL GetMemPtr
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>STYA ZPPtr1
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ldy #$ff
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ldx #$ff
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.1 iny
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inx
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lda (ZPPtr1),y
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sta ASM.T.FILENAME,x
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bne .1
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lda #'.'
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sta ASM.T.FILENAME,x
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inx
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lda #'T'
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sta ASM.T.FILENAME,x
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inx
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lda #'.'
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sta ASM.T.FILENAME,x
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ldy #$ff
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.2 iny
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inx
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lda (ZPPtr2),y
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jsr SRC.IsLetterOrDigit
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bcs .3
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sta ASM.T.FILENAME,x
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bra .2
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.3 stz ASM.T.FILENAME,x
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ldy #ASM.T.hMem
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lda (pData),y
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beq .4
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>SYSCALL FreeMem
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ldy #ASM.T.hMem
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lda #0
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sta (pData),y
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.4 >PUSHW L.ASM.T.FILENAME
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>LDYA L.MSG.T.FILE
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jsr OUT.Print
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>PUSHWI 0 Aux type
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>PUSHBI 6 S.FI.T.BIN
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>PUSHBI O.RDONLY
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>LDYA L.ASM.T.FILENAME
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>SYSCALL LoadFile
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bcs .9
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txa
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ldy #ASM.T.hMem
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sta (pData),y
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>SYSCALL GetMemPtr
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>STYA ZPPtr1
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ldy #ASM.T.AM
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lda (ZPPtr1),y
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clc
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adc ZPPtr1
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sta ZPAMPtr
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iny
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lda (ZPPtr1),y
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adc ZPPtr1+1
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sta ZPAMPtr+1
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iny
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lda (ZPPtr1),y
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clc
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adc ZPPtr1
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sta ZPRPtr
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iny
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lda (ZPPtr1),y
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adc ZPPtr1+1
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sta ZPRPtr+1
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iny
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lda (ZPPtr1),y
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clc
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adc ZPPtr1
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sta ZPOpsPtr
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iny
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lda (ZPPtr1),y
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adc ZPPtr1+1
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sta ZPOpsPtr+1
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.9 rts
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*---------------------------------------
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FIO.OpenFile >STYA ZPPtr1
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>PUSHW ZPPtr1
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>LDYA L.MSG.SRC.FILE
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jsr OUT.Print
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ldy #SRC.COUNT
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lda (pData),y
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cmp #IN.MAXDEPTH
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bne .1
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lda #ERR.SRC.TOO.MANY.IN
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sec
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rts
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.1 >PUSHW L.FIO.Stat
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>PUSHW ZPPtr1
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>SYSCALL Stat
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bcs .99
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lda FIO.Stat+S.STAT.P.TYPE
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cmp #$04 TXT ?
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bne .2
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>PUSHWI 0
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>PUSHBI 4
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>PUSHBI O.RDONLY+O.TEXT
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bra .3
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.2 cmp #$FA S-C/BAS?
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bne .98
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>PUSHWI 0
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>PUSHBI $FA
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>PUSHBI O.RDONLY
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.3 >LDYA ZPPtr1
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>SYSCALL FOpen
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bcs .99
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pha
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ldy #SRC.COUNT
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lda (pData),y
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clc
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adc #SRC.hFILES
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tay
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pla
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sta (pData),y
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ldy #SRC.COUNT
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lda (pData),y
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clc
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adc #SRC.hFILETYPES
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tay
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lda FIO.Stat+S.STAT.P.TYPE
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sta (pData),y
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ldy #SRC.COUNT
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lda (pData),y
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inc
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sta (pData),y
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lda #0
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>STA.G SRC.LINENUM
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iny
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sta (pData),y
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clc
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rts
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.98 lda #ERR.SRC.INV.TYPE
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sec
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.99 rts
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*---------------------------------------
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FIO.ReadLine >LDYA ZPLineBuf
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>STYA ZPLinePtr
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ldy #SRC.COUNT
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lda (pData),y
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clc
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adc #SRC.hFILETYPES-1
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tay
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lda (pData),y
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bmi .10
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>PUSHW ZPLineBuf
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>PUSHWI 256
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jsr FIO.ReadFromFile
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bcs .19
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tya
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beq .13
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dey
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lda #0 replace ending $0D with $00
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.13 sta (ZPLineBuf),y
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>INC.G SRC.LINENUM
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bne .19
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>INC.G SRC.LINENUM+1
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.19 rts
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*---------------------------------------
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.10 >PUSHW ZPTmpBuf
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>PUSHWI 3
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jsr FIO.ReadFromFile
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bcs .19
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ldy #1
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lda (ZPTmpBuf),y
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pha
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iny
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lda (ZPTmpBuf),y
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>STA.G SRC.LINENUM+1
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pla
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>STA.G SRC.LINENUM
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lda (ZPTmpBuf) LEN
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sec
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sbc #3
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bcc .9 LEN should be at least 3
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tay
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lda #0
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>PUSHYA
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>PUSHW ZPTmpBuf
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jsr FIO.ReadFromFile
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bcs .9
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>LDYA ZPTmpBuf
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>STYA ZPPtr1
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ldy #0
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.1 lda (ZPPtr1)
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inc ZPPtr1
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bne .11
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inc ZPPtr1+1
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.11 tax
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bmi .2
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sta (ZPLineBuf),y
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beq .8 Ending 00
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iny
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bne .1
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bra .99
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.2 cmp #$C0 REPEAT char?
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bne .5
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lda (ZPPtr1) Get Repeat Count
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inc ZPPtr1
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bne .3
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inc ZPPtr1+1
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.3 tax
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lda (ZPPtr1) Get Repeat Char
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inc ZPPtr1
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bne .4
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inc ZPPtr1+1
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.4 sta (ZPLineBuf),y
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iny
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beq .99
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dex
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bne .4
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bra .1
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.5 and #$3F Compute blank count
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tax
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lda #$20
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.6 sta (ZPLineBuf),y
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iny
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beq .99
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dex
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bne .6
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bra .1
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.8 clc
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.9 rts
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.99 lda #ERR.LINE.TOO.LONG
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sec
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rts
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*--------------------------------------
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FIO.ReadFromFile
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ldy #SRC.COUNT
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lda (pData),y
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clc
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adc #SRC.hFILES-1
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tay
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lda (pData),y
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>SYSCALL FRead
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bcs .9
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tax $100 byte transfered ?
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beq .9
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lda #ERR.LINE.TOO.LONG
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sec
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.9 rts
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*---------------------------------------
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FIO.FileClose ldy #SRC.COUNT
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lda (pData),y
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beq .8
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clc
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adc #SRC.hFILES-1
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tay
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lda (pData),y
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>SYSCALL fclose
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ldy #SRC.COUNT
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lda (pData),y
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dec
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sta (pData),y
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.8 clc
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rts
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*---------------------------------------
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MAN
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SAVE /A2OSX.BUILD/BIN/DEV/ASM.S.FIO
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LOAD /A2OSX.BUILD/BIN/DEV/ASM.S
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ASM
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