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Routines |
| Prev: 75A3 | Up: Map | Next: 75C2 |
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| 75A4 | LD DE,$73C3 | Point DE at the fuse location table at 73C3 | ||||||
| 75A7 | LD L,$02 | Point HL at byte 0x02 of Sam's buffer | ||||||
| 75A9 | LD BC,$0601 | B=6 (there are six fuses), C=1 (fuse identifier) | ||||||
| 75AC | LD A,(DE) | A=y-coordinate of a fuse | ||||||
| 75AD | INC DE | Point DE at the x-coordinate of the fuse | ||||||
| 75AE | CP (HL) | Does the fuse's y-coordinate match Sam's y-coordinate? | ||||||
| 75AF | JR NZ,$75BC | Jump if not | ||||||
| 75B1 | DEC L | Point HL at byte 0x01 of Sam's buffer | ||||||
| 75B2 | LD A,(DE) | A=x-coordinate of the fuse | ||||||
| 75B3 | CP (HL) | Compare it with Sam's x-coordinate | ||||||
| 75B4 | INC HL | Point HL back at byte 0x02 of Sam's buffer | ||||||
| 75B5 | JR NZ,$75BC | Jump unless Sam is standing next to the fuse | ||||||
| 75B7 | LD A,($7FB6) | Collect the fuse flags from 7FB6 | ||||||
| 75BA | AND C | Set the zero flag if the fuse has not been blown yet | ||||||
| 75BB | RET | |||||||
| 75BC | RLC C | Move the fuse identifier bit in C leftwards | ||||||
| 75BE | INC DE | Point DE at the next entry in the fuse location table | ||||||
| 75BF | DJNZ $75AC | Jump back until all fuse locations have been checked | ||||||
| 75C1 | RET | |||||||
| Prev: 75A3 | Up: Map | Next: 75C2 |