curioustorvald/tsvm
1
0
Fork 0
mirror of https://github.com/curioustorvald/tsvm.git synced 2026-06-07 22:14:03 +09:00
Code Issues Packages Projects Releases Wiki Activity

taut: better channel sim; s3m converter S8x->PanEff

Browse Source
This commit is contained in:
minjaesong
2026-04-27 02:25:23 +09:00
parent b44d9c6b68
commit 76011d4fa9
3 changed files with 110 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
TAUD_NOTE_EFFECTS.md
View File

@@ -618,7 +618,9 @@ ProTracker `E5x` maps to Taud `S $2x00` with the same index meaning.
**Plain.** Sets the channel pan to `$xx`, with $00 being full left and $FF being full right. $80 is centre.
**Compatibility.** ST3 `S8x` uses a 4-bit value; convert by nibble-repeat: ST3 `S83` → Taud `S $8033`. Panning column command `0.$xx` has the same semantics and is the preferred form when a pan column is available in the pattern. ProTracker `8xx` (fine pan) and `E8x` (coarse pan) both map into Taud's 8-bit pan — the ProTracker 8-bit form maps directly; the 4-bit form nibble-repeats.
**Compatibility.** ST3 `S8x` uses a 4-bit value.
1. convert by nibble-repeat: ST3 `S83` → Taud `S $8033`. Panning column command `0.$xx` has the same semantics and is the preferred form when a pan column is available in the pattern. ProTracker `8xx` (fine pan) and `E8x` (coarse pan) both map into Taud's 8-bit pan — the ProTracker 8-bit form maps directly; the 4-bit form nibble-repeats.
2. convert to PanEff: ST3 `S8x` → PanEff `0.yy`, where `yy = round(4.2 * x)`
**Implementation.** Write `channel_pan = arg & $FF`. The pan value is applied at the mixer: `left_gain = (($FF − pan) × $100) >> 8`, `right_gain = (pan × $100) >> 8`, with both applied before the global volume stage.