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Routines |
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Draw the actor and step its type through 98-9B (every 8th frame) or 9C-9F (every 4th frame). On reaching 9B or 9F it spawns a sideways missile. Types 9B and 9F only draw.
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| Handler_MissileSpawner | AE37 | JP DrawCurrentActor_Draw | Jump to DrawCurrentActor_Draw. | |||||
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Animate types 98-9B every 8th frame, spawning the left missile when the type reaches 9B.
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| Handler_MissileSpawner_AnimateLeft | AE3A | LD E,$18 | E=18. | |||||
| AE3C | CALL TickThenExplode_TestJetman | Call TickThenExplode_TestJetman. | ||||||
| AE3F | CALL C,TickThenExplode_KillJetman | Call TickThenExplode_KillJetman if this actor is close enough. | ||||||
| AE42 | CALL DrawCurrentActor_Draw | Call DrawCurrentActor_Draw. | ||||||
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Return unless this is every eighth frame.
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| AE45 | LD A,($5E42) | Fetch GameTimer. | ||||||
| AE48 | AND %00000111 | Keep only bits 0-2. | ||||||
| AE4A | RET NZ | Return if the result is not zero. | ||||||
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Step the type, then spawn a missile once it reaches 9B.
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| AE4B | INC (IX+$00) | Increase the actor type by one. | ||||||
| AE4E | LD A,(IX+$00) | Fetch the actor type. | ||||||
| AE51 | AND %00000011 | Keep only bits 0-1. | ||||||
| AE53 | CP $03 | Call Handler_Missile_CopyTemplate if those bits are 03. | ||||||
| AE55 | CALL Z,Handler_Missile_CopyTemplate | |||||||
| AE58 | RET | Return. | ||||||
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Animate types 9C-9F every 4th frame, spawning the right missile when the type reaches 9F.
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| Handler_MissileSpawner_AnimateRight | AE59 | LD E,$18 | E=18. | |||||
| AE5B | CALL TickThenExplode_TestJetman | Call TickThenExplode_TestJetman. | ||||||
| AE5E | CALL C,TickThenExplode_KillJetman | Call TickThenExplode_KillJetman if this actor is close enough. | ||||||
| AE61 | CALL DrawCurrentActor_Draw | Call DrawCurrentActor_Draw. | ||||||
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Return unless this is every fourth frame.
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| AE64 | LD A,($5E42) | Fetch GameTimer. | ||||||
| AE67 | AND %00000011 | Keep only bits 0-1. | ||||||
| AE69 | RET NZ | Return if the result is not zero. | ||||||
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Step the type, then spawn a missile once it reaches 9F.
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| AE6A | INC (IX+$00) | Increase the actor type by one. | ||||||
| AE6D | LD A,(IX+$00) | Fetch the actor type. | ||||||
| AE70 | AND %00000011 | Keep only bits 0-1. | ||||||
| AE72 | CP $03 | Call Handler_Missile_CopyTemplate2 if those bits are 03. | ||||||
| AE74 | CALL Z,Handler_Missile_CopyTemplate2 | |||||||
| AE77 | RET | Return. | ||||||
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