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969 B
969 B
Atari POKEY instrument editor
the instrument editor for POKEY consists of these macros:
- Volume: volume sequence.
- Arpeggio: pitch sequence.
- AUDCTL: audio control register sequence:
- poly9: reduces size of LFSR. only on noise waveforms!
- high1: runs channel 1 at 1.79MHz.
- high3: runs channel 3 at 1.79MHz.
- 16-bit 1+2: enables 16-bit frequency mode by combining channels 1 and 2.
- 16-bit 3+4: enables 16-bit frequency mode by combining channels 3 and 4.
- filter 1+3: applies a high-pass "filter" by combining channels 1 and 3.
- filter 2+4: applies a high-pass "filter" by combining channels 2 and 4.
- 15KHz: runs channels at 15KHz.
- Waveform: wave selection sequence:
- 0: harsh noise (poly5+17)
- 1: square buzz (poly5)
- 2: weird noise (poly4+5)
- 3: square buzz (poly5)
- 4: soft noise (poly17)
- 5: square
- 6: bass (poly4)
- 7: buzz (poly4)
- Pitch: fine pitch.