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fix: random pitch changes; NNA note cut (not off!) for MOD and S3M

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minjaesong
2026-05-02 03:25:57 +09:00
parent f84d317f95
commit 2b91251d6e
3 changed files with 11 additions and 8 deletions
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7
mod2taud.py
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@@ -522,9 +522,10 @@ def build_sample_inst_bin(samples: list) -> tuple:
inst_bin[base + 21] = env_vol inst_bin[base + 21] = env_vol
inst_bin[base + 22] = 0 inst_bin[base + 22] = 0
inst_bin[base + 171] = 0xFF # instrument global volume inst_bin[base + 171] = 0xFF # instrument global volume
inst_bin[base + 176] = 0xFF # default pan = off inst_bin[base + 177] = 0x80 # default pan = centre (unused; pan env "p" flag not set)
inst_bin[base + 181] = 0xFF # filter cutoff = off inst_bin[base + 182] = 0xFF # filter cutoff = off
inst_bin[base + 182] = 0xFF # filter resonance = off inst_bin[base + 183] = 0xFF # filter resonance = off
inst_bin[base + 186] = 1 # NNA: note cut
vprint(f" instrument[{taud_idx}] '{s.name}' ptr={ptr} c2spd={s.c2spd} " vprint(f" instrument[{taud_idx}] '{s.name}' ptr={ptr} c2spd={s.c2spd} "
f"vol={s.volume} loop=({ls},{le},{'on' if loop_mode else 'off'})") f"vol={s.volume} loop=({ls},{le},{'on' if loop_mode else 'off'})")

7
s3m2taud.py
View File

@@ -514,9 +514,10 @@ def build_sample_inst_bin(instruments: list) -> tuple:
inst_bin[base + 21] = env_vol inst_bin[base + 21] = env_vol
inst_bin[base + 22] = 0 inst_bin[base + 22] = 0
inst_bin[base + 171] = 0xFF # instrument global volume inst_bin[base + 171] = 0xFF # instrument global volume
inst_bin[base + 176] = 0xFF # default pan = off inst_bin[base + 177] = 0x80 # default pan = centre (unused; pan env "p" flag not set)
inst_bin[base + 181] = 0xFF # filter cutoff = off inst_bin[base + 182] = 0xFF # filter cutoff = off
inst_bin[base + 182] = 0xFF # filter resonance = off inst_bin[base + 183] = 0xFF # filter resonance = off
inst_bin[base + 186] = 1 # NNA: note cut
vprint(f" instrument[{base // 192}] '{inst.name}' ptr: '{ptr}', sampling rate: '{inst.c2spd}'") vprint(f" instrument[{base // 192}] '{inst.name}' ptr: '{ptr}', sampling rate: '{inst.c2spd}'")
if inst.c2spd > 65535: if inst.c2spd > 65535:

5
terranmon.txt
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@@ -2090,15 +2090,16 @@ TODO:
[x] implement Instrument Flag, Vibrato Depth, Vibrato Rate, other samplewise/instrumentwise changes to it2taud and audio engine [x] implement Instrument Flag, Vibrato Depth, Vibrato Rate, other samplewise/instrumentwise changes to it2taud and audio engine
[x] implement new note action on the audio engine (IT uses "background channels", maybe we can do the same but make "background channels" mixer-private) [x] implement new note action on the audio engine (IT uses "background channels", maybe we can do the same but make "background channels" mixer-private)
[x] (same context as above) implement S7x command [x] (same context as above) implement S7x command
[ ] on playback, panning changes randomly on Taud made by s3m2taud.py and mod2taud.py, but not by it2taud.py (maybe something's off with the instrument exports?) [x] on playback, panning changes randomly on Taud made by s3m2taud.py and mod2taud.py, but not by it2taud.py (maybe something's off with the instrument exports?)
[x] NNA not disabled for S3M and MOD
[ ] implement S6x command [ ] implement S6x command
[ ] `S B000` and `S B100` not working as intended -- on first playback it jumps to the next cue same row, on subsequent playbacks the commands are completely ignored [ ] `S B000` and `S B100` not working as intended -- on first playback it jumps to the next cue same row, on subsequent playbacks the commands are completely ignored
[ ] implement Wxx command (global volume slide) [ ] implement Wxx command (global volume slide)
[ ] implement sample loop sustain [ ] implement sample loop sustain
[ ] Amiga mode freq shift now "underdelivers" (pitch bend not "strong" enough) -- appear to be fixed (2nd_pm.taud is the only one behaves incorrectly)
[ ] cue and pattern compression of the Taud format (taud_common.py, taud.mjs) [ ] cue and pattern compression of the Taud format (taud_common.py, taud.mjs)
[ ] figure out how IT (8 bits) and FT2 (12 bits) handles volume fadeout numbers, and come up with a compatible Taud spec, then implement [ ] figure out how IT (8 bits) and FT2 (12 bits) handles volume fadeout numbers, and come up with a compatible Taud spec, then implement
[ ] implement bitcrusher (eff sym '8') [ ] implement bitcrusher (eff sym '8')
[ ] Figure out why pitch slides are not working right on 2nd_pm.s3m only
Play Data: play data are series of tracker-like instructions, visualised as: Play Data: play data are series of tracker-like instructions, visualised as: