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Taud: sentinel values moved to negative octave range

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minjaesong
2026-05-16 19:33:17 +09:00
parent 00c0e18c1a
commit e6f77c4789
14 changed files with 59 additions and 51 deletions
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29
assets/disk0/tvdos/bin/taut.js
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@@ -466,7 +466,7 @@ function retuneAllPatterns(newIdx, method) {
for (let row = 0; row < ROWS_PER_PAT; row++) {
const off = 8 * row
const note = ptn[off] | (ptn[off+1] << 8)
if (note === 0xFFFF || note === 0xFFFE || note === 0x0000) continue
if (note === 0x0000 || note === 0x0001 || note === 0x0002 || (note >= 0x0010 && note <= 0x001F)) continue
// Use the full absolute pitch as tonic; the modular ops
// in _cadTension / _harmonicCost normalise it.
tonic = note
@@ -476,7 +476,7 @@ function retuneAllPatterns(newIdx, method) {
for (let row = 0; row < ROWS_PER_PAT; row++) {
const off = 8 * row
const note = ptn[off] | (ptn[off+1] << 8)
if (note === 0xFFFF || note === 0xFFFE || note === 0x0000) continue
if (note === 0x0000 || note === 0x0001 || note === 0x0002 || (note >= 0x0010 && note <= 0x001F)) continue
const origAbs = note
let newAbs
if ((method === 'delta' || method === 'cadence' || method === 'harmonic') && prevOrigAbs >= 0) {
@@ -490,7 +490,7 @@ function retuneAllPatterns(newIdx, method) {
for (let r = row + 1; r < ROWS_PER_PAT; r++) {
const noff = 8 * r
const n = ptn[noff] | (ptn[noff+1] << 8)
if (n !== 0x0000) break
if (n !== 0x0001) break
duration++
}
lambda = 1 - Math.exp(-(duration - 1) / 4)
@@ -558,9 +558,10 @@ Number.prototype.decD2 = function() {
function noteToStr(note) {
if (note === 0xFFFF) return sym.middot.repeat(4)
if (note === 0xFFFE) return sym.notecut
if (note === 0x0000) return sym.keyoff
if (note === 0x0000) return sym.middot.repeat(4)
if (note === 0x0001) return sym.keyoff
if (note === 0x0002) return sym.notecut
if (note >= 0x0010 && note <= 0x001F) return ('Int' + (note & 0xF).toString(16).toUpperCase()).padEnd(4)
const preset = pitchTablePresets[PITCH_PRESET_IDX]
if (preset.table.length === 0) return note.hex04()
const [period, offset] = decomposeNote(note, preset.interval)
@@ -656,7 +657,7 @@ const EMPTY_CELL = {
sPanArg: sym.middot.repeat(2),
sEffOp: sym.middot,
sEffArg: sym.middot.repeat(4),
_note: 0xFFFF, _effop: 0, _effarg: 0, _voleff: 0, _paneff: 0
_note: 0x0000, _effop: 0, _effarg: 0, _voleff: 0, _paneff: 0
}
function drawCellAt(y, x, cell, back) {
@@ -692,7 +693,7 @@ function drawCellAtStyled(y, x, cell, back, style) {
return
}
// Styles 1 and 2: note-or-fx field (5 chars) starts on the border column [+ vol-or-pan (2 chars)]
const noteEmpty = (cell._note === 0xFFFF)
const noteEmpty = (cell._note === 0x0000)
const fxEmpty = (cell._effop === 0 && cell._effarg === 0)
const volEmpty = (cell._voleff === 0)
const panEmpty = (cell._paneff === 0)
@@ -1537,8 +1538,8 @@ function drawVoiceDetail(isVerticalLayout = false, ptn = null, activeRow = -1, c
if (cumState !== null && lowerH > 0) {
const _apo = Math.abs(cumState.pitchOff)
const _psgn = cumState.pitchOff > 0 ? '+' : cumState.pitchOff < 0 ? '-' : ' '
const _absN = (cumState.lastNote !== 0xFFFF && cumState.pitchOff !== 0)
? noteToStr(Math.max(0, Math.min(0xFFFE, cumState.lastNote + cumState.pitchOff))) + ' '
const _absN = (cumState.lastNote !== 0x0000 && cumState.pitchOff !== 0)
? noteToStr(Math.max(0x20, Math.min(0xFFFF, cumState.lastNote + cumState.pitchOff))) + ' '
: ''
const _clipNm = ['clamp','fold','wrap','wrap'][cumState.clipMode]
const _bcStr = (cumState.bitcrushDepth === 0 && cumState.bitcrushSkip === 0)
@@ -2242,7 +2243,7 @@ function simulateRowState(ptnDat, uptoRow) {
0x0000, 0x0023, 0x0046, 0x0074, 0x0098, 0x00C8, 0x00F9, 0x0110
]
let lastNote = 0xFFFF, lastInst = 0
let lastNote = 0x0000, lastInst = 0
let volAbs = 0x3F // 6-bit per-note volume (engine: noteVolume axis;
// M / N's per-channel axis is not modelled here)
let panAbs = 0x80 // 8-bit channel pan (engine width); centre = $80
@@ -2295,8 +2296,8 @@ function simulateRowState(ptnDat, uptoRow) {
// not tracked by this simulator. The simulator approximates the seed
// as 0x3F (legacy fallback) — see the longer note below.
let reloadDefaultVol = false
if (note !== 0xFFFF && note !== 0xFFFE) {
if (note === 0x0000) {
if (note !== 0x0000 && note !== 0x0002 && !(note >= 0x0010 && note <= 0x001F)) {
if (note === 0x0001) {
// key-off; sample stays referenced
} else if (isGRow) {
portaTarget = note
@@ -2419,7 +2420,7 @@ function simulateRowState(ptnDat, uptoRow) {
}
else if (effop === OP_G) {
if (effarg !== 0) memG = effarg
if (portaTarget !== -1 && memG !== 0 && lastNote !== 0xFFFF) {
if (portaTarget !== -1 && memG !== 0 && lastNote !== 0x0000) {
const curPitch = lastNote + pitchOff
const diff = portaTarget - curPitch
if (diff !== 0) {