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Routines |
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Used by the routines at Handler_Helicopter, Handler_Cat, Handle_Plane, Handler_Walking_Paratrooper and Handler_Parachute_Descent.
Animates the stunned hazard sequence. Used by the helicopter, cat, paratrooper, canopy and other hazards when hit by Percy's egg. Increments the animation counter until it reaches 85 cycling through animation frames. Assigns a random colour attribute and plays a hit sound each frame.
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| Animate_Stunned_Hazard | 74B9 | LD A,(IY+$00) | Return if the animation counter at *IY+00 has reached 85 (animation complete). | |||||||
| 74BC | CP $85 | |||||||||
| 74BE | RET Z | |||||||||
| 74BF | INC A | Increment the animation counter and write it back to *IY+00. | ||||||||
| 74C0 | LD (IY+$00),A | |||||||||
| 74C3 | AND %01111111 | Mask off bit 7, rotate right and add 36 to calculate the animation frame ID. | ||||||||
| 74C5 | RRCA | |||||||||
| 74C6 | ADD A,$36 | |||||||||
| 74C8 | LD (IX+$03),A | Write the frame ID to *IX+03. | ||||||||
| 74CB | CALL Generate_Random_Number | Generate a random number and mask with 07 to produce a random colour attribute. | ||||||||
| 74CE | AND %00000111 | |||||||||
| 74D0 | LD (IX+$02),A | Write the colour attribute to *IX+02. | ||||||||
| 74D3 | JP PlayHitSound | Jump to PlayHitSound. | ||||||||
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