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https://github.com/A2osX/A2osX.git
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283 lines
4.8 KiB
Plaintext
283 lines
4.8 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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LOMEM $A00
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INC 1
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AUTO 6
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.LIST OFF
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*---------------------------------------
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FIO.Init ldy #S.PS.hARGS
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lda (pPS),y
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>SYSCALL GetMemPtr.A
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bcs .99
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>STYA ZPPtr1
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lda (ZPPtr1)
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tay
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adc #3 len of ".T."
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sta ASM.T.FILENAMELEN
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adc #4 len of "6502"
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sta ASM.T.FILENAME
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tax
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.2 lda (ZPPtr1),y
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sta ASM.T.FILENAME,y
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dey
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bne .2
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ldy #6
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.3 lda ASM.T.DEFAULT,y
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sta ASM.T.FILENAME,x
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dex
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dey
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bpl .3
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jmp FIO.LOAD.ASM.T
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.99 rts
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*---------------------------------------
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FIO.OpenFileA sta FIO.hFileName
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>SYSCALL GetMemPtr.A
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>STYA ZPPtr1
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stz FIO.hFullPath
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ldy #1
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lda (ZPPtr1),y
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cmp #'/'
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beq .1
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>PUSHB FIO.hFileName
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ldy #S.PS.hPREFIX
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lda (pPs),y
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>PUSHA
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>SYSCALL StrCat
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sta FIO.hFullPath
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sta FIO.hFileName
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>SYSCALL GetMemPtr.A
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>STYA ZPPtr1
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.1 >PUSHW ZPPtr1
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>LDYA L.MSG.SRC.FILE
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>SYSCALL PrintF.YA
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ldy #SRC.COUNT
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lda (pData),y
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cmp #SRC.IN.MAXDEPTH
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bne .10
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lda #ERR.SRC.TOO.MANY.IN
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sec
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bra FIO.OpenFileA.Exit
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.10 >PUSHWI 0
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>PUSHBI 4
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>PUSHBI SYS.FOpen.R+SYS.FOpen.T
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lda FIO.hFileName
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>SYSCALL GetMemPtr.A
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>PUSHYA
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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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txa
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sta (pData),y
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* cmp #$FA S-C/BAS?
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* beq .8
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* cmp #$04 TXT ?
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* bne .98
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.8 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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clc
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bra FIO.OpenFileA.Exit
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.98 lda #ERR.SRC.INV.TYPE
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.99 sec
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FIO.OpenFileA.Exit php
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pha
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lda FIO.hFullPath
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beq .1
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>SYSCALL FreeMem.A
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.1 pla
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plp
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rts
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*---------------------------------------
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FIO.ReadLine stz SRC.BufPtr
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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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>PUSHWI 256
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>PUSHWI UsrBuf256
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jsr FIO.ReadFromFile
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bcs .19
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lda #0 replace ending $0D with $00
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sta UsrBuf256,y
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.19 rts
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.10 >PUSHWI 3
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>PUSHW L.SRC.Buffer
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jsr FIO.ReadFromFile
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bcs .9
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lda SRC.Buffer+1
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sta SRC.LINENUM
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lda SRC.Buffer+2
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sta SRC.LINENUM+1
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lda SRC.Buffer 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 L.SRC.BUFFER
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jsr FIO.ReadFromFile
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ldy #0
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ldx #0
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.1 lda SRC.Buffer,y
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bmi .2
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sta UsrBuf256,x
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beq .8 Ending 00
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inx
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beq .99
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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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iny
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beq .99
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lda SRC.Buffer,y
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iny
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beq .99
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.3 pha
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lda SRC.Buffer,y
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sta UsrBuf256,x
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pla
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inx
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beq .99
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dec
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bne .3
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iny
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bne .1
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bra .99
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.5 and #$3F Compute blank count
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.6 pha
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lda #$20
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sta UsrBuf256,x
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pla
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inx
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beq .99
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dec
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bne .6
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iny
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bne .1
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bra .99
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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 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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>PUSHA
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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.A
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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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FIO.LOAD.ASM.T ldy #ASM.T.hMem
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lda (pData),y
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beq .1
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>SYSCALL FreeMem.A
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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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.1 >PUSHW L.ASM.T.FILENAME
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>LDYA L.MSG.T.FILE
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>SYSCALL PrintF.YA
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>PUSHWI 0 Aux type
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>PUSHBI 6 S.FI.T.BIN
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>PUSHBI SYS.FOpen.R
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>PUSHW 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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.9 rts
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*---------------------------------------
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FIO.EmitByte clc
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rts
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*---------------------------------------
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MAN
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SAVE /A2OSX.SRC/BIN/ASM.S.FIO
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LOAD /A2OSX.SRC/BIN/ASM.S
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ASM
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