diff options
| -rw-r--r-- | sound/softsynth/opl/dosbox.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/softsynth/opl/dosbox.cpp b/sound/softsynth/opl/dosbox.cpp index c61016e358..aef46d7e72 100644 --- a/sound/softsynth/opl/dosbox.cpp +++ b/sound/softsynth/opl/dosbox.cpp @@ -329,7 +329,7 @@ void OPL::dualWrite(uint8 index, uint8 reg, uint8 val) { return; // Only allow 4 waveforms - if (reg >= 0xE0) + if (reg >= 0xE0 && reg <= 0xE8) val &= 3; // Write to the timer? @@ -337,8 +337,8 @@ void OPL::dualWrite(uint8 index, uint8 reg, uint8 val) { return; // Enabling panning - if (reg >= 0xC0 && reg < 0xC8) { - val &= 7; + if (reg >= 0xC0 && reg <= 0xC8) { + val &= 15; val |= index ? 0xA0 : 0x50; } |