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Routines |
| Prev: 919E | Up: Map | Next: 91E2 |
| 91BB | LD H,(IX+$03) | H=IX+03. | ||
| 91BE | LD L,(IX+$02) | L=IX+02. | ||
| 91C1 | LD A,H | A=H. | ||
| 91C2 | AND %00011111 | Keep only bits 0-4. | ||
| 91C4 | LD H,A | H=A. | ||
| 91C5 | SRA H | |||
| 91C7 | RR L | |||
| 91C9 | SRA H | |||
| 91CB | RR L | |||
| 91CD | SRA H | |||
| 91CF | RR L | |||
| 91D1 | PUSH HL | Stash HL on the stack. | ||
| 91D2 | LD BC,$7000 | BC=TerrainData_Active. | ||
| 91D5 | ADD HL,BC | HL+=BC. | ||
| 91D6 | LD D,(HL) | |||
| 91D7 | POP HL | |||
| 91D8 | PUSH HL | |||
| 91D9 | INC HL | Increment HL by one. | ||
| 91DA | LD A,H | A=H. | ||
| 91DB | AND %00000011 | Keep only bits 0-1. | ||
| 91DD | LD H,A | H=A. | ||
| 91DE | ADD HL,BC | HL+=BC. | ||
| 91DF | LD E,(HL) | E=HL. | ||
| 91E0 | POP HL | Restore HL from the stack. | ||
| 91E1 | RET | Return. | ||
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