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Routines |
| Prev: BECB | Up: Map | Next: BF5B |
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Used by the routine at BA5C.
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| BED3 | LD A,(IX+$10) | Increment graphic data counter for bubble | ||
| BED6 | INC A | |||
| BED7 | LD (IX+$10),A | |||
| BEDA | LD E,A | Set HL to the corresponding poisition in graphic data offset table for bubble | ||
| BEDB | LD D,$00 | |||
| BEDD | LD HL,$BF5B | |||
| BEE0 | ADD HL,DE | |||
| BEE1 | LD A,(HL) | Set A to the graphic data offset | ||
| BEE2 | CP $FF | is $FF (end marker)? | ||
| BEE4 | JP NZ,$BEEC | Jump forward if not | ||
| BEE7 | LD (IX+$10),$01 | Set graphic data offset counter to 1. Reinit counter | ||
| BEEB | XOR A | Set A=0 | ||
| BEEC | LD E,A | Set HL to the graphic data of the bubble | ||
| BEED | LD D,$00 | |||
| BEEF | LD L,(IX+$12) | |||
| BEF2 | LD H,(IX+$13) | |||
| BEF5 | ADD HL,DE | |||
| BEF6 | LD A,(IX+$06) | is bubble falling? | ||
| BEF9 | OR A | |||
| BEFA | JP NZ,$BF2A | Jump if so | ||
| BEFD | LD A,(IX+$11) | Check bubble counter | ||
| BF00 | CP $14 | is bubble counter < 20? | ||
| BF02 | JP C,$BF08 | Jump forward if so | ||
| BF05 | JP $BF34 | Jump to finish bubble handler | ||
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check bubble for burst
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| BF08 | LD A,(IX+$11) | check bubble counter | ||
| BF0B | CP $02 | is 2? | ||
| BF0D | JP Z,$BF55 | Jump to set graphic data for bubble final burst (2) | ||
| BF10 | CP $03 | is 3? | ||
| BF12 | JP Z,$BF4F | Jump to set graphic data for bubble burst (3) | ||
| BF15 | CP $04 | is 4? | ||
| BF17 | JP Z,$BF49 | Jump to set graphic data for bubble burst (4) | ||
| BF1A | CP $05 | is 5? | ||
| BF1C | JP Z,$BF43 | Jump to set graphic data for bubble burst (5) | ||
| BF1F | LD A,(IX+$10) | check graphic data counter of bubble | ||
| BF22 | CP $02 | is 2? | ||
| BF24 | JP NZ,$BF34 | Jump forward if not | ||
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Bubble stop bouncing
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| BF27 | DEC (IX+$10) | Decrement graphic data counter | ||
| BF2A | LD L,(IX+$12) | Increment graphic data to sprite bubble non-bouncing (falling or stopped in floor) | ||
| BF2D | LD H,(IX+$13) | |||
| BF30 | LD DE,$0040 | |||
| BF33 | ADD HL,DE | |||
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Finish configuring bubble
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| BF34 | LD (IX+$04),L | Set corresponding graphic data of bubble | ||
| BF37 | LD (IX+$05),H | |||
| BF3A | DEC (IX+$11) | Decrement bubble counter | ||
| BF3D | RET NZ | Return if not zero | ||
| BF3E | LD (IX+$0C),$00 | Set dead/non-visible bubble | ||
| BF42 | RET | |||
| BF43 | LD HL,$8872 | Set HL to graphics data for bubble burst (5) | ||
| BF46 | JP $BF34 | Jump back and finish configuring bubble | ||
| BF49 | LD HL,$8892 | Set HL to graphics data for bubble burst (4) | ||
| BF4C | JP $BF34 | Jump back and finish configuring bubble | ||
| BF4F | LD HL,$88B2 | Set HL to graphics data for bubble burst (3) | ||
| BF52 | JP $BF34 | Jump back and finish configuring bubble | ||
| BF55 | LD HL,$88D2 | Set HL to graphics data for bubble final burst (2) | ||
| BF58 | JP $BF34 | Jump back and finish configuring bubble | ||
| Prev: BECB | Up: Map | Next: BF5B |