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Routines |
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Clears the screen pixel at x,y
This is the entry in the jump table handled by the routine at 32374 when that code is called with A=1
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| pixel_clear | 31640 | CALL pxy2saddr | pxy2saddr of B=ypos, C=xpos | |||||||
| 31643 | CPL | Invert pixel map | ||||||||
| 31644 | AND (HL) | Pick up screen byte | ||||||||
| 31645 | LD (HL),A | Merge out the required pixel | ||||||||
| 31646 | RET | |||||||||
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