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Quite some minor changes to have the two C128 TGI driver source files only differ where they are semantically different.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4552 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -453,8 +453,8 @@ SETPALETTE:
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ora COLTRANS,y
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ora COLTRANS,y
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ldx #VDC_COLORS
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ldx #VDC_COLORS
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jsr VDCWriteReg ; Clear error code
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jsr VDCWriteReg
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lda #TGI_ERR_OK
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lda #TGI_ERR_OK ; Clear error code
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sta ERROR
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sta ERROR
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rts
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rts
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@ -766,59 +766,59 @@ BAR:
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; Original code for a horizontal line
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; Original code for a horizontal line
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HORLINE:
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HORLINE:
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lda X1
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lda X1
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pha
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pha
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lda X1+1
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lda X1+1
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pha
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pha
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jsr CALC ; get data for LEFT
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jsr CALC ; get data for LEFT
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lda BITMASKL,x ; remember left address and bitmask
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lda BITMASKL,x ; remember left address and bitmask
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pha
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pha
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lda ADDR
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lda ADDR
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pha
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pha
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lda ADDR+1
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lda ADDR+1
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pha
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pha
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lda X2
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lda X2
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sta X1
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sta X1
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lda X2+1
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lda X2+1
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sta X1+1
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sta X1+1
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jsr CALC ; get data for RIGHT
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jsr CALC ; get data for RIGHT
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lda BITMASKR,x
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lda BITMASKR,x
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sta TEMP3
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sta TEMP3
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pla ; recall data for LEFT
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pla ; recall data for LEFT
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sta X1+1
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sta X1+1
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pla
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pla
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sta X1 ; put left address into X1
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sta X1 ; put left address into X1
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pla
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pla
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cmp #%11111111 ; if left bit <> 0
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cmp #%11111111 ; if left bit <> 0
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beq @L1
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beq @L1
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sta TEMP2 ; do left byte only...
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sta TEMP2 ; do left byte only...
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lda X1
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lda X1
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ldy X1+1
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ldy X1+1
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jsr VDCSetSourceAddr
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jsr VDCSetSourceAddr
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jsr VDCReadByte
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jsr VDCReadByte
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sta TEMP
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sta TEMP
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eor BITMASK
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eor BITMASK
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and TEMP2
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and TEMP2
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eor TEMP
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eor TEMP
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pha
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pha
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lda X1
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lda X1
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ldy X1+1
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ldy X1+1
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jsr VDCSetSourceAddr
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jsr VDCSetSourceAddr
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pla
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pla
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jsr VDCWriteByte
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jsr VDCWriteByte
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inc X1 ; ... and proceed
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inc X1 ; ... and proceed
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bne @L1
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bne @L1
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inc X1+1
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inc X1+1
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; do right byte (if Y2=0 ++ADDR and skip)
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; do right byte (if Y2=0 ++ADDR and skip)
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@L1: lda TEMP3
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@L1: lda TEMP3
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cmp #%11111111 ; if right bit <> 7
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cmp #%11111111 ; if right bit <> 7
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bne @L11
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bne @L11
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inc ADDR ; right bit = 7 - the next one is the last
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inc ADDR ; right bit = 7 - the next one is the last
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bne @L10
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bne @L10
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inc ADDR+1
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inc ADDR+1
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@L10: bne @L2
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@L10: bne @L2
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@ -881,6 +881,7 @@ HORLINE:
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@L5: jmp HORLINE
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@L5: jmp HORLINE
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; ------------------------------------------------------------------------
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; ------------------------------------------------------------------------
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; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
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; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
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; direction is passend in X/Y, the text direction is passed in A.
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; direction is passend in X/Y, the text direction is passed in A.
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@ -56,7 +56,7 @@ VDC_DATA = 31
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; capabilities of the driver
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; capabilities of the driver
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.byte $74, $67, $69 ; "tgi"
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.byte $74, $67, $69 ; "tgi"
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.byte TGI_API_VERSION ; TGI version number
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.byte TGI_API_VERSION ; TGI API version number
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xres: .word 640 ; X resolution
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xres: .word 640 ; X resolution
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yres: .word 480 ; Y resolution
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yres: .word 480 ; Y resolution
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.byte 2 ; Number of drawing colors
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.byte 2 ; Number of drawing colors
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@ -123,7 +123,7 @@ BITMASK: .res 1 ; $00 = clear, $FF = set pixels
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OLDCOLOR: .res 1 ; colors before entering gfx mode
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OLDCOLOR: .res 1 ; colors before entering gfx mode
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; Line routine stuff (combined with CIRCLE to save space)
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; Line routine stuff
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COUNT: .res 2
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COUNT: .res 2
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NY: .res 2
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NY: .res 2
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@ -283,13 +283,13 @@ UNINSTALL:
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INIT:
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INIT:
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lda pages ; is there enough memory?
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lda pages ; is there enough memory?
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bne @L11 ; Jump if there is one screen
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bne @L1 ; Jump if there is one screen
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lda #TGI_ERR_INV_MODE ; Error
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lda #TGI_ERR_INV_MODE ; Error
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bne @L9
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bne @L9
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; Initialize variables
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; Initialize variables
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@L11: ldx #$FF
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@L1: ldx #$FF
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stx BITMASK
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stx BITMASK
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; Remeber current color value
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; Remeber current color value
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@ -494,23 +494,23 @@ GETDEFPALETTE:
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SETPIXEL:
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SETPIXEL:
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jsr CALC ; Calculate coordinates
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jsr CALC ; Calculate coordinates
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stx TEMP
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stx TEMP
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lda ADDR
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lda ADDR
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ldy ADDR+1
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ldy ADDR+1
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jsr VDCSetSourceAddr
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jsr VDCSetSourceAddr
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jsr VDCReadByte
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jsr VDCReadByte
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ldx TEMP
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ldx TEMP
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sta TEMP
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sta TEMP
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eor BITMASK
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eor BITMASK
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and BITTAB,X
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and BITTAB,X
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eor TEMP
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eor TEMP
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pha
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pha
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lda ADDR
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lda ADDR
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ldy ADDR+1
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ldy ADDR+1
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jsr VDCSetSourceAddr
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jsr VDCSetSourceAddr
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pla
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pla
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jsr VDCWriteByte
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jsr VDCWriteByte
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@L9: rts
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@L9: rts
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@ -645,7 +645,7 @@ LINE:
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bne @L0167
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bne @L0167
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rts
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rts
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; setpixel(X1,Y1)
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; setpixel(X1,Y1)
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@L0167: jsr SETPIXEL
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@L0167: jsr SETPIXEL
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; pb = err + ny
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; pb = err + ny
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lda ERR
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lda ERR
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clc
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clc
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