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Routines |
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| 30116 | LD DE,29635 | Point DE at the fuse location table at 29635 | ||||||
| 30119 | LD L,2 | Point HL at byte 2 of Sam's buffer | ||||||
| 30121 | LD BC,1537 | B=6 (there are six fuses), C=1 (fuse identifier) | ||||||
| 30124 | LD A,(DE) | A=y-coordinate of a fuse | ||||||
| 30125 | INC DE | Point DE at the x-coordinate of the fuse | ||||||
| 30126 | CP (HL) | Does the fuse's y-coordinate match Sam's y-coordinate? | ||||||
| 30127 | JR NZ,30140 | Jump if not | ||||||
| 30129 | DEC L | Point HL at byte 1 of Sam's buffer | ||||||
| 30130 | LD A,(DE) | A=x-coordinate of the fuse | ||||||
| 30131 | CP (HL) | Compare it with Sam's x-coordinate | ||||||
| 30132 | INC HL | Point HL back at byte 2 of Sam's buffer | ||||||
| 30133 | JR NZ,30140 | Jump unless Sam is standing next to the fuse | ||||||
| 30135 | LD A,(32694) | Collect the fuse flags from 32694 | ||||||
| 30138 | AND C | Set the zero flag if the fuse has not been blown yet | ||||||
| 30139 | RET | |||||||
| 30140 | RLC C | Move the fuse identifier bit in C leftwards | ||||||
| 30142 | INC DE | Point DE at the next entry in the fuse location table | ||||||
| 30143 | DJNZ 30124 | Jump back until all fuse locations have been checked | ||||||
| 30145 | RET | |||||||
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