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Routines |
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Used by the routine at Update_Vat.
When the vat entity is not type 12, test game-event / direction bits and either copy the Data_CrusherEntityTemplate template into the crusher slot or randomly set direction bit 0.
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Load game-event flags and test direction bit 0.
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| Update_Vat_TestEventAndDirBit0 | 53312 | LD A,(29363) | Load A with the game event flags (GameEventFlags). | |
| 53315 | BIT 0,(IX+9) | Is bit 0 of the current entity's direction / state set?. | ||
| 53319 | JR Z,Update_Vat_RandomSetDirBit0 | If not, jump to Update_Vat_RandomSetDirBit0. | ||
| 53321 | BIT 1,A | Is bit 1 of A set?. | ||
| 53323 | RET Z | If not, return. | ||
| 53324 | LD DE,36809 | Point DE at the crusher entity (StateData_Complex_16). | ||
| 53327 | LD HL,53302 | Point HL at the vat template (Data_CrusherEntityTemplate). | ||
| 53330 | LD BC,10 | Load BC with length 0010. | ||
| 53333 | LDIR | Copy the template into the crusher entity slot. | ||
| 53335 | LD HL,53128 | Point HL at DruttScript_Copy. | ||
| 53338 | JP ScriptInstruction | Jump to ScriptInstruction to execute the script instruction at HL. | ||
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Randomly set direction bit 0 when bit 1 of A is clear.
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| Update_Vat_RandomSetDirBit0 | 53341 | BIT 1,A | Is bit 1 of A set?. | |
| 53343 | RET NZ | If so, return. | ||
| 53344 | LD A,60 | Load A with 60. | ||
| 53346 | CALL PseudoRandom | Call PseudoRandom to pick a pseudo-random value. | ||
| 53349 | OR A | Is A zero?. | ||
| 53350 | RET NZ | If not, return. | ||
| 53351 | SET 0,(IX+9) | Set bit 0 of the current entity's direction / state. | ||
| 53355 | RET | Return. | ||
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