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Routines |
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30132 | LD HL,65473 | Point HL at the top left corner of the text that was just written into the graphic buffer | ||
30135 | ADD HL,DE | |||
30136 | LD DE,7 | This is the 'distance' (in bytes) between the left and right edges of the graphic buffer | ||
30139 | LD BC,30115 | Point BC at the graphic data table at 30115 | ||
30142 | LD A,(BC) | Pick up a bubble left-edge graphic byte in A | ||
30143 | INC C | Move BC along in the graphic data table | ||
30144 | INC A | Have we finished drawing the edges? | ||
30145 | RET Z | Return if so | ||
30146 | OR (HL) | Superimpose the bubble left-edge graphic byte | ||
30147 | LD (HL),A | |||
30148 | ADD HL,DE | Move over to the right edge | ||
30149 | LD A,(BC) | Pick up a bubble right-edge graphic byte in A | ||
30150 | INC C | Move BC along in the graphic data table | ||
30151 | OR (HL) | Superimpose the bubble right-edge graphic byte | ||
30152 | LD (HL),A | |||
30153 | INC HL | Move back to the left edge, one pixel row down | ||
30154 | JR 30142 | Jump back to superimpose another edge graphic byte |
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