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author Ian Karlsson <themvrules@gmail.com>2015-04-01 20:58:10 +0200
committer Ian Karlsson <themvrules@gmail.com>2015-04-01 20:58:10 +0200
commit32b8fb5f15a8b08b599bf0841dd9a8204c019390 (patch)
treeec0fbf6b9ff6b0db31d8464033a627f56efa3c4b
parentde775477c461e13dec26469d09026531b8ee908e (diff)
Fix SegaPCM volume register overflow
-rw-r--r--src/emu/sound/segapcm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/emu/sound/segapcm.c b/src/emu/sound/segapcm.c
index 2d67d332019..553a372a8aa 100644
--- a/src/emu/sound/segapcm.c
+++ b/src/emu/sound/segapcm.c
@@ -122,8 +122,8 @@ void segapcm_device::sound_stream_update(sound_stream &stream, stream_sample_t *
v = rom[(addr >> 8) & m_rom.mask()] - 0x80;
/* apply panning and advance */
- outputs[0][i] += v * regs[2];
- outputs[1][i] += v * regs[3];
+ outputs[0][i] += v * (regs[2] & 0x7f);
+ outputs[1][i] += v * (regs[3] & 0x7f);
addr = (addr + regs[7]) & 0xffffff;
}