diff options
Diffstat (limited to 'hw/display/ati.c')
| -rw-r--r-- | hw/display/ati.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/display/ati.c b/hw/display/ati.c index 58ec8291d4..065f197678 100644 --- a/hw/display/ati.c +++ b/hw/display/ati.c @@ -511,7 +511,7 @@ static void ati_mm_write(void *opaque, hwaddr addr, } switch (addr) { case MM_INDEX: - s->regs.mm_index = data; + s->regs.mm_index = data & ~3; break; case MM_DATA ... MM_DATA + 3: /* indexed access to regs or memory */ |