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Routines |
| Prev: 8947 | Up: Map | Next: 899C |
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Draw the 1UP and 2UP lives counts and the life UDG, or spaces if a player has none.
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Controller for 1UP lives.
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| DisplayPlayerLives | 894F | LD HL,$0040 | Call ScreenAddress with the pixel co-ordinates 0040 to get the 1UP lives screen address. | |
| 8952 | CALL ScreenAddress | |||
| 8955 | CALL FetchLives_1UP | A=1UP lives remaining (by calling FetchLives_1UP). | ||
| 8958 | AND A | If 1UP lives are zero, jump to Handler1UPNoLives. | ||
| 8959 | JR Z,Handler1UPNoLives | |||
| 895B | CALL HandlerDisplayLives | Else, there are lives to display so call HandlerDisplayLives. | ||
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Controller for 2UP lives.
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| Controller2UPLives | 895E | LD HL,$00B0 | Call ScreenAddress with the pixel co-ordinates 00B0 to get the 2UP lives screen address. | |
| 8961 | CALL ScreenAddress | |||
| 8964 | CALL FetchLives_2UP | A=2UP lives remaining (by calling FetchLives_2UP). | ||
| 8967 | AND A | If 2UP lives are zero, jump to Handler2UPNoLives. | ||
| 8968 | JR Z,Handler2UPNoLives | |||
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Handles displaying the lives count and UDG character.
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| HandlerDisplayLives | 896A | ADD A,$30 | Add 30 to convert to an ASCII character (starting at "0"). | |
| 896C | CALL PrintScreen | Call PrintScreen. | ||
| 896F | LD DE,$D151 | DE=UDG_Life. | ||
| 8972 | PUSH BC | Stash BC and DE on the stack. | ||
| 8973 | PUSH DE | |||
| 8974 | JP PrintCharacter_Draw | Jump to PrintCharacter_Draw. | ||
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1UP has no lives.
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| Handler1UPNoLives | 8977 | CALL Handler2UPNoLives | Call Handler2UPNoLives. | |
| 897A | JR Controller2UPLives | Jump to Controller2UPLives. | ||
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2UP has no lives.
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| Handler2UPNoLives | 897C | LD A,$20 | A=ASCII " " (SPACE). | |
| 897E | CALL PrintScreen | Call PrintScreen. | ||
| 8981 | LD A,$20 | A=ASCII " " (SPACE). | ||
| 8983 | JP PrintScreen | Jump to PrintScreen. | ||
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Return the 1UP player's lives left.
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| FetchLives_1UP | 8986 | LD A,($5E65) | If Flag_ActivePlayer is not zero then jump to InactivePlayerLives. | |
| 8989 | AND A | |||
| 898A | JR NZ,InactivePlayerLives | |||
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Return currently active players lives left.
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| ActivePlayerLives | 898C | LD A,($5EA1) | A=*ActivePlayer_Lives. | |
| 898F | RET | Return. | ||
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Return inactive players lives left.
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| InactivePlayerLives | 8990 | LD A,($5EA5) | A=*InactivePlayer_Lives. | |
| 8993 | RET | Return. | ||
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Return the 2UP player's lives left.
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| FetchLives_2UP | 8994 | LD A,($5E65) | If Flag_ActivePlayer is zero then jump to InactivePlayerLives. | |
| 8997 | AND A | |||
| 8998 | JR Z,InactivePlayerLives | |||
| 899A | JR ActivePlayerLives | Jump to ActivePlayerLives. | ||
| Prev: 8947 | Up: Map | Next: 899C |