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update format.md

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tildearrow 2022-02-23 23:22:46 -05:00
parent 92e1553014
commit 259b6598d0
1 changed files with 6 additions and 3 deletions
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papers/format.md
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@ -100,17 +100,18 @@ size | description
| - possible soundchips:
| - 0x00: end of list
| - 0x01: YMU759 - 17 channels
| - 0x02: Genesis - 10 channels
| - 0x02: Genesis - 10 channels (compound!)
| - 0x03: SMS (SN76489) - 4 channels
| - 0x04: Game Boy - 4 channels
| - 0x05: PC Engine - 6 channels
| - 0x06: NES - 5 channels
| - 0x07: C64 (8580) - 3 channels
| - 0x08: Arcade (YM2151) - 13 channels
| - 0x08: Arcade (YM2151+SegaPCM) - 13 channels (compound!)
| - 0x09: Neo Geo (YM2610) - 13 channels
| - bit 6 enables alternate mode:
| - 0x42: Genesis extended - 13 channels
| - 0x43: SMS (SN76489) + OPLL (YM2413) - 13 channels
| - 0x43: SMS (SN76489) + OPLL (YM2413) - 13 channels (compound!)
| - 0x46: NES + VRC7 - 11 channels (compound!)
| - 0x47: C64 (6581) - 3 channels
| - 0x49: Neo Geo extended - 16 channels
| - bit 7 for non-DefleMask chips:
@ -156,6 +157,8 @@ size | description
| - 0xa7: OPLL drums (YM2413) - 11 channels
| - 0xa8: Atari Lynx - 4 channels
| - 0xe0: QSound - 19 channels
| - (compound!) means that the system is composed of two or more chips,
| and has to be flattened.
32 | sound chip volumes
| - signed char, 64=1.0, 127=~2.0
32 | sound chip panning