diff options
author | 2017-03-05 00:24:28 -0500 | |
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committer | 2017-03-05 00:24:56 -0500 | |
commit | ea734065c795b19ae511d29326e5644f80c116dc (patch) | |
tree | ba890e5d3317a978dce78cc97b31d04d17452550 /src | |
parent | a21905c738ee87923485240d4721cd2b2fb9f160 (diff) |
Correct MMOD bit for Z180 DMA
Diffstat (limited to 'src')
-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 |