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Routines |
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Used by the routines at Handle_Jellyfish and Handle_Gargoyle.
Counts a jellyfish through the six steps of its animation. The type of the jellyfish gets the counter divided by two (so 0 1 or 2) in its low two bits, which gives three frames.
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| Animate_Jellyfish | 46111 | CALL StoreEntity | Save the state of the jellyfish. | |||||
| 46114 | INC (IX+14) | Increase the animation counter of the jellyfish. | ||||||
| 46117 | LD A,(IX+14) | Fetch the animation counter of the jellyfish. | ||||||
| 46120 | CP 6 | Jump to Animate_Jellyfish_Set_Type if the animation counter is less than 6. | ||||||
| 46122 | JR C,Animate_Jellyfish_Set_Type | |||||||
| 46124 | XOR A | Reset the animation counter. | ||||||
| 46125 | LD (IX+14),A | |||||||
| Animate_Jellyfish_Set_Type | 46128 | RRA | Divide the animation counter by two. | |||||
| 46129 | AND %00000011 | Keep only the two low bits. | ||||||
| 46131 | LD C,A | Keep the frame in C. | ||||||
| 46132 | LD A,(IX+0) | Fetch the type of the jellyfish. | ||||||
| 46135 | AND %11111100 | Reset the two low bits. | ||||||
| 46137 | OR C | Combine the type with the frame. | ||||||
| 46138 | LD (IX+0),A | Store the type of the jellyfish. | ||||||
| 46141 | RET | Return. | ||||||
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