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Routines |
| Prev: 7198 | Up: Map | Next: 73D3 |
| 7378 | LD HL,$0002 | Write 0002 to 5F2B. | ||
| 737B | LD ($5F2B),HL | |||
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Controller for 1UP lives.
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| DisplayPlayerLives | 737E | LD HL,$0040 | Call ScreenAddress with 0040 (screen buffer address) for 1UP lives. | |
| 7381 | CALL ScreenAddress | |||
| 7384 | CALL ControllerActiveLives | A=1UP lives remaining (by calling ControllerActiveLives). | ||
| 7387 | AND A | If 1UP lives are zero, jump to Handler1UPNoLives. | ||
| 7388 | JR Z,Handler1UPNoLives | |||
| 738A | CALL HandlerDisplayLives | Else, there are lives to display so call HandlerDisplayLives. | ||
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Controller for 2UP lives.
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| Controller2UPLives | 738D | LD HL,$00B0 | Call ScreenAddress with 00B0 (screen buffer address) for 2UP lives. | |
| 7390 | CALL ScreenAddress | |||
| 7393 | CALL ControllerInactiveLives | A=2UP lives remaining (by calling ControllerInactiveLives). | ||
| 7396 | AND A | If 2UP lives are zero, jump to Handler2UPNoLives. | ||
| 7397 | JR Z,Handler2UPNoLives | |||
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Handles displaying the lives count and UDG character.
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| HandlerDisplayLives | 7399 | ADD A,$30 | Add 30 to convert to an ASCII character (starting at "0" character). | |
| 739B | CALL PrintScreen | Call PrintScreen. | ||
| 739E | LD DE,$73B5 | DE=UDG_Life. | ||
| 73A1 | PUSH BC | Stash BC and DE on the stack. | ||
| 73A2 | PUSH DE | |||
| 73A3 | JP PrintScreen_0 | Jump to PrintScreen_0. | ||
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1UP has no lives.
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| Handler1UPNoLives | 73A6 | CALL Handler2UPNoLives | Call Handler2UPNoLives. | |
| 73A9 | JR Controller2UPLives | Jump to Controller2UPLives. | ||
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2UP has no lives.
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| Handler2UPNoLives | 73AB | LD A,$20 | A=ASCII " " (SPACE). | |
| 73AD | CALL PrintScreen | Call PrintScreen. | ||
| 73B0 | LD A,$20 | A=ASCII " " (SPACE). | ||
| 73B2 | JP PrintScreen | Jump to PrintScreen. | ||
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The UDG for the lives icon.
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| UDG_Life | 73B5 | DEFB %00011000 |
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| 73B6 | DEFB %00100100 | |||
| 73B7 | DEFB %00111100 | |||
| 73B8 | DEFB %01111110 | |||
| 73B9 | DEFB %01011010 | |||
| 73BA | DEFB %00111100 | |||
| 73BB | DEFB %00111100 | |||
| 73BC | DEFB %01100110 | |||
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Controller for the currently active player.
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| ControllerActiveLives | 73BD | LD A,($5F21) | If ActivePlayer is not zero then jump to InactivePlayerLives. | |
| 73C0 | AND A | |||
| 73C1 | JR NZ,InactivePlayerLives | |||
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Return currently active players lives left.
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| ActivePlayerLives | 73C3 | LD A,($5F2E) | A=1UP_Lives. | |
| 73C6 | RET | Return. | ||
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Return inactive players lives left.
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| InactivePlayerLives | 73C7 | LD A,($5F32) | A=2UP_Lives. | |
| 73CA | RET | Return. | ||
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Controller for the inactive player.
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| ControllerInactiveLives | 73CB | LD A,($5F21) | If ActivePlayer is zero then jump to InactivePlayerLives. | |
| 73CE | AND A | |||
| 73CF | JR Z,InactivePlayerLives | |||
| 73D1 | JR ActivePlayerLives | Jump to ActivePlayerLives. | ||
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View the equivalent code in;
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