diff options
-rw-r--r-- | src/emu/machine/8237dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/machine/8237dma.c b/src/emu/machine/8237dma.c index fb93ca98f88..9477eca96a5 100644 --- a/src/emu/machine/8237dma.c +++ b/src/emu/machine/8237dma.c @@ -547,7 +547,7 @@ WRITE8_DEVICE_HANDLER( dma8237_w ) case 15: /* DMA write mask register */ - dma8237->mask |= data; + dma8237->mask = data & 0x0f; break; } } |