2015-03-14 21:48:35 +00:00
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PR#3
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2015-03-15 22:00:40 +00:00
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PREFIX /A2OSX.BUILD
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2015-03-14 21:48:35 +00:00
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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*--------------------------------------
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* S.NewBufRdr
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* In :
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* PULLB = DATA hMem
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* PULLB = Delim Char
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* PULLW = Size of DATA
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* Out :
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* A = hMem To newly created BufRdr
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*--------------------------------------
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S.NewBufRdr >PUSHWI S.BUFRDR.SIZE
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>PUSHBI 0 0 = no option
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jsr S.GetMem
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bcs .98
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phx save hMem
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>STYA ZPQuickPtr1
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ldy #S.BUFRDR.hMEM
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>PULLB (ZPQuickPtr1),y
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ldy #S.BUFRDR.DELIM
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>PULLB (ZPQuickPtr1),y
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ldy #S.BUFRDR.LEN+1
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>PULLB (ZPQuickPtr1),y
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dey
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>PULLB (ZPQuickPtr1),y
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ldy #S.BUFRDR.IDX
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lda #0
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sta (ZPQuickPtr1),y
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iny
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sta (ZPQuickPtr1),y
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pla
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clc
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rts
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.98 pha
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>PULLA
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>PULLYA
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pla
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.99 rts
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*--------------------------------------
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* S.BufRdrReadA
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* In :
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* A = hMem To BufRdr
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* Out :
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* CC: Y,A = PTR to line (PSTR)
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* CS: EOF
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*--------------------------------------
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S.BufRdrReadA jsr S.GetMemPtrA
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>STYA ZPQuickPtr1
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ldy #S.BUFRDR.hMEM
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr2 PTR to DATA
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ldy #S.BUFRDR.IDX
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lda (ZPQuickPtr1),y
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sta ZPQuickPtr3 IDX
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clc
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adc ZPQuickPtr2 PTR=PTR+IDX
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sta ZPQuickPtr2
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iny
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lda (ZPQuickPtr1),y
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sta ZPQuickPtr3+1
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adc ZPQuickPtr2+1
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sta ZPQuickPtr2+1
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ldy #S.BUFRDR.LEN
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lda (ZPQuickPtr1),y
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sta ZPQuickPtr4
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iny
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lda (ZPQuickPtr1),y
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sta ZPQuickPtr4+1
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stz TmpBuffer256
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ldy #S.BUFRDR.DELIM
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.1 lda ZPQuickPtr4
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bne .2
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lda ZPQuickPtr4
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beq .8
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dec ZPQuickPtr4+1
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.2 dec ZPQuickPtr4
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lda (ZPQuickPtr2)
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inc ZPQuickPtr2
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bne .3
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inc ZPQuickPtr2+1
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.3 inc ZPQuickPtr3
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bne .4
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inc ZPQuickPtr3+1
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.4 cmp (ZPQuickPtr1),y DELIM
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beq .8
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inc TmpBuffer256
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beq .8
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ldx TmpBuffer256
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sta TmpBuffer256,x
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bra .1
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.8 lda TmpBuffer256
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bne .81
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sec
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rts
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.81 ldy #S.BUFRDR.IDX
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lda ZPQuickPtr3
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sta (ZPQuickPtr1),y
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iny
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lda ZPQuickPtr3+1
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sta (ZPQuickPtr1),y
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ldy #S.BUFRDR.LEN
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lda ZPQuickPtr4
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sta (ZPQuickPtr1),y
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iny
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lda ZPQuickPtr4+1
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sta (ZPQuickPtr1),y
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>LDYAI TmpBuffer256
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clc
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rts
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*--------------------------------------
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* S.BufRdrCloseA
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* In :
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* A = hMem To BufRdr
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*--------------------------------------
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S.BufRdrCloseA pha
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jsr S.GetMemPtrA
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>STYA S.BUFRDR.hMEM
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ldy #S.BUFRDR.hMEM
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lda (S.BUFRDR.hMEM),y
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jsr S.FreeMemA
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pla
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jsr S.FreeMemA
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clc
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rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.RDR
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LOAD SYS/KERNEL.S
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ASM
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