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Routines |
| Prev: BD0D | Up: Map | Next: BD48 |
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Used by the routine at BD0D.
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| BD24 | CALL $C023 | Call C023. | ||
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This entry point is used by the routine at B591.
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| BD27 | LD A,(IX+$00) | A=*IX+00. | ||
| BD2A | CP $17 | Return if A is higher than 17. | ||
| BD2C | RET NC | |||
| BD2D | CALL $C13E | Call C13E. | ||
| BD30 | LD DE,$0040 | DE=0040. | ||
| BD33 | LD B,(IX+$03) | B=*IX+03. | ||
| BD36 | BIT 0,(IX+$07) | Jump to BD42 if bit 0 of *IX+07 is set. | ||
| BD3A | JR NZ,$BD42 | |||
| BD3C | RES 6,(HL) | Reset bit 6 of *HL. | ||
| BD3E | ADD HL,DE | HL+=DE. | ||
| BD3F | DJNZ $BD3C | Decrease counter by one and loop back to BD3C until counter is zero. | ||
| BD41 | RET | Return. | ||
| BD42 | SET 6,(HL) | Set bit 6 of *HL. | ||
| BD44 | ADD HL,DE | HL+=DE. | ||
| BD45 | DJNZ $BD42 | Decrease counter by one and loop back to BD42 until counter is zero. | ||
| BD47 | RET | Return. | ||
| Prev: BD0D | Up: Map | Next: BD48 |