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Routines |
| Prev: 9BEA | Up: Map | Next: 9D25 |
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Used by the routine at SetKeyPositions.
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| GetBlendInstruction | 9D19 | LD A,B | A=B. | |
| 9D1A | AND %00000011 | Keep only bits 0-1. | ||
| 9D1C | RET Z | Return if 00 (no blending). | ||
| 9D1D | CP $01 | Compare A with 01... | ||
| 9D1F | LD A,$AE | A=AE. | ||
| 9D21 | RET NZ | Return if the comparison was not zero (XOR blending). | ||
| 9D22 | ADD A,$08 | A+=08. | ||
| 9D24 | RET | Return (OR blending). | ||
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