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Routines |
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Used by the routine at ShowTitleScreen.
Plays a tune made of notes, which ends with FF. The tune stops as soon as a key is pressed.
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| PlayMusic_WaitKey | 9A9A | XOR A | Select every keyboard row. | |||||
| 9A9B | CALL ReadKeyboardPort | Read the keyboard. | ||||||
| 9A9E | RET NZ | Return if a key is pressed. | ||||||
| 9A9F | LD A,(DE) | Fetch a note. | ||||||
| 9AA0 | CP $FF | Jump to PlayMusic_Return if it is the end of the tune. | ||||||
| 9AA2 | JR Z,PlayMusic_Return | |||||||
| 9AA4 | CALL PlayNote | Play the note. | ||||||
| 9AA7 | JR PlayMusic_WaitKey | Jump back to PlayMusic_WaitKey for the next note. | ||||||
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View the equivalent code in;
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