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Routines |
| Prev: BC67 | Up: Map | Next: BD6E |
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Used by the routine at HandlerGameMenu.
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| PlayAudio_WaitKey | BD51 | DI | Disable interrupts. | |
| PlayAudio_WaitKey_Loop | BD52 | XOR A | ||
| BD53 | OUT ($FD),A | |||
| BD55 | IN A,($FE) | |||
| BD57 | CPL | Flip the bits. | ||
| BD58 | AND %00011111 | Keep only bits 0-4. | ||
| BD5A | JR Z,PlayAudio_WaitKey_Process | If no keys were pressed, jump to PlayAudio_WaitKey_Process. | ||
| BD5C | LD A,($9692) | A=GameOptions. | ||
| BD5F | INC SP | Increments the stack pointer by two. | ||
| BD60 | INC SP | |||
| BD61 | JP HandlerGameMenu_1 | Jump to HandlerGameMenu_1. | ||
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This is identical to PlayAudio except it also handles exiting on a keypress.
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| PlayAudio_WaitKey_Process | BD64 | LD A,(DE) | Fetch the next byte of music data. | |
| BD65 | CP $FF | If this is FF (the terminator) then jump to PlayAudio_Return. | ||
| BD67 | JR Z,PlayAudio_Return | |||
| BD69 | CALL PlayAudio_Process | Call PlayAudio_Process. | ||
| BD6C | JR PlayAudio_WaitKey_Loop | Jump to PlayAudio_WaitKey_Loop. | ||
| Prev: BC67 | Up: Map | Next: BD6E |