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Routines |
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Turns an enemy round, so that it faces the opposite direction.
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| ReverseDirection | 43153 | PUSH BC | Save BC. | |||||
| 43154 | LD A,(IX+7) | Fetch the time and direction of the enemy... | ||||||
| 43157 | LD C,A | ...and keep them in C. | ||||||
| 43158 | ADD A,2 | Add two to the direction... | ||||||
| 43160 | AND 3 | ...and keep just the direction... | ||||||
| 43162 | LD B,A | ...in B. | ||||||
| 43163 | LD A,C | Fetch the time and direction again... | ||||||
| 43164 | AND 252 | ...clear the old direction... | ||||||
| 43166 | OR B | ...and use the new one. | ||||||
| 43167 | LD (IX+7),A | Store them. | ||||||
| 43170 | POP BC | Restore BC. | ||||||
| 43171 | RET | Return. | ||||||
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