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fix formatting

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~d6 2023-09-13 01:15:20 -04:00
parent 4a50aca68b
commit 5c7c43e56b
1 changed files with 27 additions and 26 deletions
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audio-v2.md
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@ -65,32 +65,33 @@ Since each component has its own port, it's also much easier to adjust
one without having to fiddle with bit masks, shifting, etc. one without having to fiddle with bit masks, shifting, etc.
## Appending A: proposed specification: ## Appending A: proposed specification:
ADDR SIZE NAME DESCRIPTION
0x30 2 bytes vector callback address to use when note finishes playing ADDR SIZE NAME DESCRIPTION
0x32 2 bytes duration duration to play sound in fractional seconds (1ms resolution) 0x30 2 bytes vector callback address to use when note finishes playing
0x34 1 byte attack envelope: attack duration (vol 0-100%, 10ms resolution) 0x32 2 bytes duration duration to play sound in fractional seconds (1ms resolution)
0x35 1 byte decay envelope: decay duration (vol 100-50%, 10ms resolution) 0x34 1 byte attack envelope: attack duration (vol 0-100%, 10ms resolution)
0x36 1 byte sustain envelope: sustain duration (vol 50%, 10ms resolution) 0x35 1 byte decay envelope: decay duration (vol 100-50%, 10ms resolution)
0x37 1 byte release envelope: release duration (vol 50-0%, 10ms resolution) 0x36 1 byte sustain envelope: sustain duration (vol 50%, 10ms resolution)
0x38 2 bytes addr address to read waveform data from 0x37 1 byte release envelope: release duration (vol 50-0%, 10ms resolution)
0x3a 2 bytes length length of waveform data to read (in bytes) 0x38 2 bytes addr address to read waveform data from
0x3c 1 byte volume 4-bit volumes for left/right channels (6.7% resolution) 0x3a 2 bytes length length of waveform data to read (in bytes)
0x3d 1 byte (unused - reserved for expansion) 0x3c 1 byte volume 4-bit volumes for left/right channels (6.7% resolution)
0x3e 1 byte pitch 1-bit loop and 7-bit MIDI note (0x00 gives silence) 0x3d 1 byte (unused - reserved for expansion)
0x3f 1 byte (unused - reserved for detune) 0x3e 1 byte pitch 1-bit loop and 7-bit MIDI note (0x00 gives silence)
0x3f 1 byte (unused - reserved for detune)
## Appendix B: existing specification ## Appendix B: existing specification
ADDR SIZE NAME DESCRIPTION ADDR SIZE NAME DESCRIPTION
0x30 2 bytes vector callback address to use when note finishes playing 0x30 2 bytes vector callback address to use when note finishes playing
0x32 2 bytes position read current position in sample 0x32 2 bytes position read current position in sample
0x34 1 byte output read envelope loudness at this moment (0x000 to 0x888) 0x34 1 byte output read envelope loudness at this moment (0x000 to 0x888)
0x35 (unused) 0x35 (unused)
0x36 (unused) 0x36 (unused)
0x37 (unused) 0x37 (unused)
0x38 2 bytes adsr four 4-bit envelope values (attack/decay/sustain/release) 0x38 2 bytes adsr four 4-bit envelope values (attack/decay/sustain/release)
0x3a 2 bytes length length of waveform data to read in bytes 0x3a 2 bytes length length of waveform data to read in bytes
0x3c 2 bytes addr address to read waveform data from 0x3c 2 bytes addr address to read waveform data from
0x3e 1 byte volume 4-bit volumes for left/right channels 0x3e 1 byte volume 4-bit volumes for left/right channels
0x3f 1 byte pitch 1-bit loop and 7-bit MIDI note 0x3f 1 byte pitch 1-bit loop and 7-bit MIDI note