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Routines |
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Used by the routine at HandleBlock.
Plays four cycles of a tone whose pitch is taken from the eight values of PitchTable, which is chosen by the lowest three bits of the frame counter.
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Choose a pitch from the table.
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| PlayPitchFromTable | B3E9 | LD A,($5BA2) | Fetch FrameCounter. | |
| B3EC | AND %00000111 | Keep bits 0 to 2. | ||
| B3EE | LD L,A | Set HL to the entry number. | ||
| B3EF | LD H,$00 | |||
| B3F1 | LD BC,$B3FB | Point BC at PitchTable. | ||
| B3F4 | ADD HL,BC | Add the entry number to the address of the table. | ||
| B3F5 | LD B,(HL) | Fetch the pitch. | ||
| B3F6 | LD C,$04 | Set the number of cycles to 04. | ||
| B3F8 | JP PlayWaveSequence | Jump to PlayWaveSequence. | ||
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View the equivalent code in;
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