diff options
Diffstat (limited to 'src/devices/cpu/z180/z180.cpp')
-rw-r--r-- | src/devices/cpu/z180/z180.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/devices/cpu/z180/z180.cpp b/src/devices/cpu/z180/z180.cpp index 1c7d58dff75..eb36b73548c 100644 --- a/src/devices/cpu/z180/z180.cpp +++ b/src/devices/cpu/z180/z180.cpp @@ -627,9 +627,9 @@ offs_t z180_device::disasm_disassemble(std::ostream &stream, offs_t pc, const ui #define Z180_DSTAT_WMASK 0xcc /* 31 DMA mode register */ -#define Z180_DMODE_DM 0x30 -#define Z180_DMODE_SM 0x0c -#define Z180_DMODE_MMOD 0x04 +#define Z180_DMODE_DM 0x30 /* DMA ch 1/0 destination select */ +#define Z180_DMODE_SM 0x0c /* DMA ch 1/0 source select */ +#define Z180_DMODE_MMOD 0x02 /* DMA cycle steal/burst mode select */ #define Z180_DMODE_RESET 0x00 #define Z180_DMODE_RMASK 0x3e |