mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-27 04:49:20 +00:00
292 lines
4.4 KiB
Plaintext
292 lines
4.4 KiB
Plaintext
NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
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*--------------------------------------
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CL.Init >LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPCLBuf
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txa
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>STA.G CL.hCLBuf
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.9 rts
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*--------------------------------------
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CL.Quit >LDA.G CL.hCLBuf
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beq .9
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>SYSCALL FreeMem
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.9 rts
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*--------------------------------------
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CL.PrintPrompt >LDYA L.ENV.PS1
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>SYSCALL GetEnv
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bcs .1
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>SYSCALL ExpandStr
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bcs .9
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phx
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pha
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>PUSHBI 0
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pla
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>SYSCALL printf
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pla
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>SYSCALL FreeMem
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.1 >PUSHBI 0
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>LDYA L.MSG.PROMPT
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>SYSCALL printf
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.9 rts
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*--------------------------------------
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CL.CHARIN tax
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>LDA.G bEscMode
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beq .13
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cpx #'['
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beq .9
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lda #0
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sta (pData),y Y=bEscMode
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txa
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ldx #EscChars.Cnt-1
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.17 cmp EscChars,x
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beq .18
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dex
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bpl .17
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clc
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rts
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.18 txa
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asl
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tax
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jmp (J.ESC,x)
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*--------------------------------------
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.13 cpx #C.SPACE
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bcc CL.CHARIN.CTRL
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.1 cpx #C.DEL
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bne .2
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jmp CL.DEL
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.2 jmp CL.Insert
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.9 clc
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rts
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*--------------------------------------
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CL.CHARIN.CTRL cpx #C.CR
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bne .10
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>PUSHBI 0
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>LDYA L.MSG.ECHOCRLF
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>SYSCALL printf
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lda #$ff
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>STA.G CL.bReady
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clc
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rts
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.10 cpx #C.ESC
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bne .11
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lda #$ff
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>STA.G bEscMode
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clc
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rts
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.11 cpx #3 Ctrl-C
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bne .12
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jmp CL.CLR
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.12 cpx #24 Ctrl-X
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bne .13
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jmp CL.SUPPR
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.13 clc
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rts
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*--------------------------------------
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CL.Insert >LDA.G CL.Len
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inc
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beq .9 Buffer full, discard...
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sta (pData),y
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pha
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.1 ply
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dey
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lda (ZPCLBuf),y Move from Ptr To end of buffer forward...
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iny
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sta (ZPCLBuf),y
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dey
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phy
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tya
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>CMP.G CL.Ptr
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bne .1
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ply Y=CL.Ptr
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* >LDA.G CL.Ptr
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txa
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sta (ZPCLBuf),y
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>LDA.G bREAD.S
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bpl .2
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ldx #'*'
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.2 txa
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>SYSCALL PutChar
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>INC.G CL.Ptr
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jmp CL.PrintEOL
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.9 clc
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rts
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*--------------------------------------
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CL.CLR lda (ZPCLBuf)
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beq CL.RESET.1
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.1 >LDA.G CL.Ptr
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>CMP.G CL.Len
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beq .2
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inc
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>STA.G CL.Ptr
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lda #C.FS
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>SYSCALL PutChar
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bra .1
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.2 ldy #0
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.3 lda #C.DEL
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sta (ZPCLBuf),y
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iny
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lda (ZPCLBuf),y
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bne .3
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jsr CL.PrintCLBuf
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*--------------------------------------
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CL.RESET lda #0
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sta (ZPCLBuf)
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CL.RESET.1 >STA.G CL.bReady
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>STA.G CL.Ptr
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>STA.G CL.Len
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rts
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*--------------------------------------
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CL.BS >LDA.G CL.Ptr
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beq .9
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dec
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sta (pData),y
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lda #C.BS
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>SYSCALL PutChar
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.9 rts
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*--------------------------------------
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CL.NAK >LDA.G CL.Ptr
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>CMP.G CL.Len
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beq .9
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inc
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>STA.G CL.Ptr
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lda #C.FS
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>SYSCALL PutChar
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.9 rts
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*--------------------------------------
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* Erase char UNDER cursor
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*--------------------------------------
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CL.SUPPR >LDA.G CL.Len
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beq CL.PrintEOL.8
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>LDA.G CL.Ptr
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>CMP.G CL.Len
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beq CL.PrintEOL.8
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bra CL.DEL.1
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*--------------------------------------
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* Erase char BEFORE cursor
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*--------------------------------------
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CL.DEL >LDA.G CL.Len
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beq CL.PrintEOL.8
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>LDA.G CL.Ptr
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beq CL.PrintEOL.8
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lda #C.BS
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>SYSCALL PutChar
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>DEC.G CL.Ptr
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CL.DEL.1 pha
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.1 ply
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iny
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lda (ZPCLBuf),y
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dey
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sta (ZPCLBuf),y
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iny
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phy
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tya
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>CMP.G CL.Len
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bne .1
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pla
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>DEC.G CL.Len
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*--------------------------------------
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CL.PrintEOL >LDA.G CL.Ptr
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.1 >CMP.G CL.Len
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beq .2
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pha
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tay
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lda (ZPCLBuf),y
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>SYSCALL PutChar
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pla
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inc
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bra .1
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.2 lda #' '
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>SYSCALL PutChar
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>LDA.G CL.Ptr
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.3 >CMP.G CL.Len
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beq .4
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pha
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lda #C.BS
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>SYSCALL PutChar
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pla
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inc
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bra .3
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.4 lda #C.BS
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>SYSCALL PutChar
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CL.PrintEOL.8 clc
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rts
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*--------------------------------------
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CL.PrintCLBuf >LDYA ZPCLBuf
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>PUSHYA
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ldy #S.PS.hStdOut
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lda (pPs),y
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>SYSCALL fputs
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rts
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*--------------------------------------
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MAN
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SAVE USR/SRC/BIN/SH.S.CL
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LOAD USR/SRC/BIN/SH.S
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ASM
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