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Routines |
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Type 02: a bullet fired by the sheriff in the town. It moves twice, checking the walls each time. If it hits a wall it becomes type 07.
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Move the bullet in two steps.
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| HandleBullet | CAC6 | LD A,(IX+$05) | Fetch the speed. | |||||
| CAC9 | CALL SetSpeedsFromHeading | Call SetSpeedsFromHeading. | ||||||
| CACC | CALL TestMove | Call TestMove. | ||||||
| CACF | CALL MoveObject | Call MoveObject. | ||||||
| CAD2 | CALL CheckWalls | Call CheckWalls. | ||||||
| CAD5 | CALL MoveObject | Call MoveObject. | ||||||
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Turn into smoke if it has hit a wall.
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| CAD8 | RES 1,(IX+$07) | Clear bit 1 of the flags. | ||||||
| CADC | BIT 0,(IX+$07) | Return if it has not hit a wall. | ||||||
| CAE0 | RET Z | |||||||
| CAE1 | LD (IX+$00),$07 | Turn the object into type 07. | ||||||
| CAE5 | LD (IX+$0C),$02 | Set the counter to 02 and return. | ||||||
| CAE9 | RET | |||||||
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