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Routines |
| Prev: 9F74 | Up: Map | Next: 9F9F |
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Used by the routines at ERASE_THING and REDRAW_MOVED.
Looks the sprite up from the workspace and computes the display address of the position saved in $5E16, so ERASE_THING can blank exactly the cells the last frame filled.
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| SETUP_ERASE | 9F80 | CALL SPRITE_OF_WORKSPACE | ||
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This entry point is used by the routines at SETUP_ALT_ENTRIES and SETUP_BOTH_BANKS.
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| SETUP_ERASE_ALT | 9F83 | LD HL,($5E16) | ||
| 9F86 | LD A,L | |||
| 9F87 | DEC A | |||
| 9F88 | RLCA | |||
| 9F89 | AND $0E | |||
| 9F8B | CP $0E | |||
| 9F8D | JR NZ,SETUP_ERASE_0 | |||
| 9F8F | LD A,$E8 | |||
| SETUP_ERASE_0 | 9F91 | LD ($9EE5),A | ERASE_JR+1: the jump's displacement | |
| 9F94 | CALL PIXEL_TO_SCREEN | |||
| 9F97 | LD A,(DE) | |||
| 9F98 | LD ($5E18),A | |||
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This entry point is used by the routine at SETUP_SPRITE_DRAW.
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| SETUP_DONE | 9F9B | LD C,$00 | ||
| 9F9D | INC DE | |||
| 9F9E | RET | |||
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