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Update NukedOPL.

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This commit is contained in:
StevenSYS
2024-07-02 07:03:59 +00:00
parent 214c048267
commit e025eb247e
2 changed files with 5 additions and 4 deletions
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8
src/hardware/nukedopl.cpp
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@@ -462,7 +462,7 @@ static void OPL3_EnvelopeCalc(opl3_slot *slot)
}
else
{
shift = (rate_hi & 0x03) + eg_incstep[rate_lo][slot->chip->timer & 0x03u];
shift = (rate_hi & 0x03) + eg_incstep[rate_lo][slot->chip->eg_timer_lo];
if (shift & 0x04)
{
shift = 0x03;
@@ -1207,10 +1207,9 @@ inline void OPL3_Generate4Ch(opl3_chip *chip, int16_t *buf4)
chip->timer++;
chip->eg_add = 0;
if (chip->eg_timer)
if (chip->eg_state)
{
while (shift < 36 && ((chip->eg_timer >> shift) & 1) == 0)
while (shift < 13 && ((chip->eg_timer >> shift) & 1) == 0)
{
shift++;
}
@@ -1222,6 +1221,7 @@ inline void OPL3_Generate4Ch(opl3_chip *chip, int16_t *buf4)
{
chip->eg_add = shift + 1;
}
chip->eg_timer_lo = (uint8_t)(chip->eg_timer & 0x3u);
}
if (chip->eg_timerrem || chip->eg_state)

1
src/hardware/nukedopl.h
View File

@@ -119,6 +119,7 @@ struct _opl3_chip {
uint8_t eg_timerrem;
uint8_t eg_state;
uint8_t eg_add;
uint8_t eg_timer_lo;
uint8_t newm;
uint8_t nts;
uint8_t rhy;