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Routines |
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The handler for the devil (sprite IDs 78 to 7B). If the devil touches the player then TakeEnergyFromPlayer_Small takes some energy. The devil always steers towards the player. The sprite comes from the bottom two bits of the counter at CounterLow, and then HandlerBoss_Move does the rest.
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| HandlerDevil | 89ED | CALL StoreEntity | Call StoreEntity to save the position of the devil. | |||||
| 89F0 | CALL CheckPlayerTouch | Call CheckPlayerTouch to check whether the entity is touching the player. | ||||||
| 89F3 | DEC E | Call TakeEnergyFromPlayer_Small if the devil touched the player. | ||||||
| 89F4 | CALL Z,TakeEnergyFromPlayer_Small | |||||||
| 89F7 | LD DE,($EA93) | Fetch the position of the player from EA93. | ||||||
| 89FB | CALL SteerCreature | Call SteerCreature to steer the creature towards its target. | ||||||
| 89FE | LD A,(IX+$00) | Fetch the sprite ID of the devil. | ||||||
| 8A01 | AND %11111100 | Keep only bits 2-7. | ||||||
| 8A03 | LD C,A | Keep the base sprite ID in C. | ||||||
| 8A04 | LD A,($5E12) | Fetch the counter from CounterLow. | ||||||
| 8A07 | RRA | Divide the counter by four. | ||||||
| 8A08 | RRA | |||||||
| 8A09 | AND %00000011 | Keep only bits 0-1. | ||||||
| 8A0B | ADD A,C | Add the animation frame to the base sprite ID. | ||||||
| 8A0C | LD (IX+$00),A | Update the sprite ID of the devil. | ||||||
| 8A0F | LD DE,$3434 | DE=3434 (the area). | ||||||
| 8A12 | JP HandlerBoss_Move | Jump to HandlerBoss_Move to move the boss. | ||||||
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