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tightening formats

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This commit is contained in:
minjaesong
2026-04-23 14:47:53 +09:00
parent bc16ffabb4
commit 44f11120d8
3 changed files with 24 additions and 23 deletions
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12
assets/disk0/tvdos/include/taud.mjs
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@@ -16,8 +16,8 @@ const NUM_PATTERNS_MAX = 256
const NUM_CUES = 1024
const CUE_SIZE = 32 // bytes per cue entry (packed 12-bit×20 voices + instruction + pad)
// Signature written into the file (16 bytes, space-padded)
const CAPTURE_SIGNATURE = "LibTaud/TSVM "
// Signature written into the file (14 bytes, space-padded)
const CAPTURE_SIGNATURE = "LibTaud/TSVM "
// ── Internal helpers ────────────────────────────────────────────────────────
@@ -205,8 +205,8 @@ function captureTrackerDataToFile(outFile) {
(compressedSize >>> 8) & 0xFF,
(compressedSize >>> 16) & 0xFF,
(compressedSize >>> 24) & 0xFF,
// reserved (2)
0x00, 0x00,
// reserved (4)
0x00, 0x00, 0x00, 0x00,
].concat(sigBytes) // 8 + 2 + 4 + 2 + 16 = 32 bytes
// -- 6. Build song-table row (16 bytes) -----------------------------------
@@ -219,7 +219,9 @@ function captureTrackerDataToFile(outFile) {
numPats & 0xFF, (numPats >>> 8) & 0xFF, // numPatterns Uint16 LE
bpmStored, // BPM with −24 bias
tickRate, // initial tick-rate
0,0,0,0,0,0,0, // 7 bytes padding
0x40,0, // basenote
0x13,0xd0,0x82,0x43, // basefreq
0, // padding
]
// -- 7. Write header (creates / truncates file) ---------------------------