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Diffstat (limited to 'src/devices/sound/ymz770.cpp')
-rw-r--r--src/devices/sound/ymz770.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/devices/sound/ymz770.cpp b/src/devices/sound/ymz770.cpp
index 6ed28a4bf01..ae7a995ce21 100644
--- a/src/devices/sound/ymz770.cpp
+++ b/src/devices/sound/ymz770.cpp
@@ -519,7 +519,7 @@ void ymz774_device::internal_reg_write(uint8_t reg, uint8_t data)
case 0x60: // sequence num H and L
case 0x68:
sq = (reg >> 1) & 7;
- if (sq & 1)
+ if (reg & 1)
m_sequences[sq].sequence = (m_sequences[sq].sequence & 0xff00) | data;
else
m_sequences[sq].sequence = (m_sequences[sq].sequence & 0x00ff) | ((data & 0x0f) << 8); // TODO check if total number really upto 0x1000
@@ -546,7 +546,7 @@ void ymz774_device::internal_reg_write(uint8_t reg, uint8_t data)
case 0x88: // timer H and L
case 0x90:
sq = (reg >> 1) & 7;
- if (sq & 1)
+ if (reg & 1)
m_sequences[sq].timer = (m_sequences[sq].timer & 0xff00) | data;
else
m_sequences[sq].timer = (m_sequences[sq].timer & 0x00ff) | (data << 8);
@@ -557,7 +557,7 @@ void ymz774_device::internal_reg_write(uint8_t reg, uint8_t data)
case 0xa0: // stop channel mask H and L, what it for ? stop chanels immediatelly or when sequence ends (so far assuming later) ?
case 0xa8:
sq = (reg >> 1) & 7;
- if (sq & 1)
+ if (reg & 1)
m_sequences[sq].stopchan = (m_sequences[sq].stopchan & 0xff00) | data;
else
m_sequences[sq].stopchan = (m_sequences[sq].stopchan & 0x00ff) | (data << 8);