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Routines |
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Used by the routine at 92DC. Returns with the attribute file address in HL.
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932B | SUB $08 | Compute the piano key index (K) based on the frequency parameter (F), and store it in bits 0-4 of A: K=31-INT((F-8)/8) | ||||||||
932D | RRCA | |||||||||
932E | RRCA | |||||||||
932F | RRCA | |||||||||
9330 | CPL | |||||||||
9331 | OR $E0 | A=0xE0+K; this is the LSB | ||||||||
9333 | LD L,A | Set HL to the attribute file address for the piano key | ||||||||
9334 | LD H,$59 | |||||||||
9336 | RET |
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