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Routines |
| Prev: B76D | Up: Map | Next: B814 |
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Controller for 1UP lives.
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| DisplayPlayerLives | B7CD | LD HL,$4008 | HL=4008 (screen buffer address) for 1UP lives. | |
| B7D0 | CALL ControllerActiveLives | A=1UP lives remaining (by calling ControllerActiveLives). | ||
| B7D3 | AND A | If 1UP lives are zero, jump to Handler1UPNoLives. | ||
| B7D4 | JR Z,Handler1UPNoLives | |||
| B7D6 | CALL HandlerDisplayLives | Else, there are lives to display so call HandlerDisplayLives. | ||
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Controller for 2UP lives.
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| Controller2UPLives | B7D9 | LD HL,$4016 | HL=4016 (screen buffer address) for 2UP lives. | |
| B7DC | CALL ControllerInactiveLives | A=2UP lives remaining (by calling ControllerInactiveLives). | ||
| B7DF | AND A | If 2UP lives are zero, jump to Handler2UPNoLives. | ||
| B7E0 | JR Z,Handler2UPNoLives | |||
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Handles displaying the lives count and UDG character.
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| HandlerDisplayLives | B7E2 | ADD A,$30 | Add 30 to convert to an ASCII character (starting at "0" character). | |
| B7E4 | CALL PrintScreen | Call PrintScreen. | ||
| B7E7 | LD DE,$B814 | DE=UDG_Life. | ||
| B7EA | PUSH BC | Stash BC and DE on the stack. | ||
| B7EB | PUSH DE | |||
| B7EC | JP PrintScreen_0 | Jump to PrintScreen_0. | ||
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1UP has no lives.
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| Handler1UPNoLives | B7EF | CALL Handler2UPNoLives | Call Handler2UPNoLives. | |
| B7F2 | JR Controller2UPLives | Jump to Controller2UPLives. | ||
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2UP has no lives.
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| Handler2UPNoLives | B7F4 | LD A,$20 | A=ASCII " " (SPACE). | |
| B7F6 | CALL PrintScreen | Call PrintScreen. | ||
| B7F9 | LD A,$20 | A=ASCII " " (SPACE). | ||
| B7FB | JP PrintScreen | Jump to PrintScreen. | ||
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Controller for the currently active player.
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| ControllerActiveLives | B7FE | LD A,($969E) | If Flag_ActivePlayer is not zero then jump to InactivePlayerLives. | |
| B801 | AND A | |||
| B802 | JR NZ,InactivePlayerLives | |||
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Return currently active players lives left.
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| ActivePlayerLives | B804 | LD A,($96BD) | A=ActivePlayer_Lives. | |
| B807 | RET | Return. | ||
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Return inactive players lives left.
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| InactivePlayerLives | B808 | LD A,($96E0) | A=InactivePlayer_Lives. | |
| B80B | RET | Return. | ||
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Controller for the inactive player.
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| ControllerInactiveLives | B80C | LD A,($969E) | If Flag_ActivePlayer is zero then jump to InactivePlayerLives. | |
| B80F | AND A | |||
| B810 | JR Z,InactivePlayerLives | |||
| B812 | JR ActivePlayerLives | Jump to ActivePlayerLives. | ||
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