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tsii and tpif; more vt stuffs

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minjaesong
2026-06-15 22:09:03 +09:00
parent e8112e78c8
commit 930e867b3e
6 changed files with 532 additions and 118 deletions
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12
taud_common.py
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@@ -71,6 +71,18 @@ TAUD_MAGIC = bytes([0x1F,0x54,0x53,0x56,0x4D,0x61,0x75,0x64])
TAUD_VERSION = 1
TAUD_HEADER_SIZE = 32 # magic(8)+ver(1)+numSongs(1)+compSize(4)+projOff(4)+sig(14)
TAUD_SONG_ENTRY = 32 # full spec entry (see encode_song_entry)
# Container kind = top two bits of the version byte (terranmon.txt §.tsii / §.tpif,
# 3342-3401). The low six bits always carry TAUD_VERSION, so the full version byte
# is `kind | TAUD_VERSION`.
# 00 → full song file (.taud): sample+inst image + song table + patterns
# 10 → sample+instrument image (.tsii): numSongs = 0, no song table/patterns;
# project data carries only I*/S* blocks (INam, SNam, Ixmp)
# 11 → pattern image (.tpif): sample+inst compSize = 0 (section absent), song
# table + patterns present; project data carries only p*/s* blocks (pNam, sMet)
TAUD_KIND_FULL = 0x00
TAUD_KIND_SAMPLEINST = 0x80
TAUD_KIND_PATTERN = 0xC0
INST_RECORD_SIZE = 256 # widened 2026-05-06 (was 192). 256 inst × 256 = 64K.
# Sample+instrument image (terranmon.txt:1985-1997, 2533-2564 — updated 2026-05-08).
# Sample pool is now 8 MB, banked through MMIO 46 in 16 × 512 K windows.