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Routines |
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Used by the routine at UpdateSpawnPoints.
Tries to create a pickup in one of the two entity slots starting at B5B2. The pickup is placed beside the view, on the side chosen by the low bits of a random number, at a position relative to the player, and it is given the type 0F.
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| CreatePickup | 96BB | LD IX,$B5B2 | Point IX at the first of the two entity slots. | |
| 96BF | LD B,$02 | Set the number of slots to look at in B to 02. | ||
| 96C1 | CALL FindFreeEntity | Call FindFreeEntity to find a free slot. | ||
| 96C4 | RET NZ | Return if there is no free slot. | ||
| 96C5 | CALL ClearEntity | Call ClearEntity to clear the slot. | ||
| 96C8 | LD A,($5F9B) | Fetch the random number from 5F9B. | ||
| 96CB | AND %00000011 | Keep only bits 0-1, to choose the side. | ||
| 96CD | JR NZ,CreatePickup_SecondSide | Jump to CreatePickup_SecondSide unless the first side is chosen. | ||
| 96CF | LD DE,$0040 | DE is 40 the offset for the first side. | ||
| 96D2 | LD C,E | E moves into C. | ||
| 96D3 | LD B,D | D moves into B, so the offset is also BC. | ||
| 96D4 | JR CreatePickup_Place | Jump to CreatePickup_Place. | ||
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