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author Olivier Galibert <galibert@pobox.com>2018-01-18 19:41:45 +0100
committer Olivier Galibert <galibert@pobox.com>2018-01-31 22:03:00 +0100
commit127cd08d4d8a7ebbd5e0cbe8239fa17c8dc9b20e (patch)
treeee4db1c2bfd942142669ab820a39f8417d0a0d9d /src/mame/drivers/segaufo.cpp
parent86d25d4d8dae418ef39b132e9f80cc9f781b96e1 (diff)
API change: Memory maps are now "last entry wins" [O. Galibert]
This allows for the much more natural "import another map and patch it" structure, or "cover a whole region then punch holes in it". Our previous first-entry-wins rule was always a surprise to newcomers, and oldcomers too.
Diffstat (limited to 'src/mame/drivers/segaufo.cpp')
-rw-r--r--src/mame/drivers/segaufo.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/segaufo.cpp b/src/mame/drivers/segaufo.cpp
index 5906197f2de..6f477f63f44 100644
--- a/src/mame/drivers/segaufo.cpp
+++ b/src/mame/drivers/segaufo.cpp
@@ -465,18 +465,18 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( ex_ufo21_portmap, AS_IO, 8, ufo_state )
+ AM_IMPORT_FROM( ufo_portmap )
AM_RANGE(0x20, 0x20) AM_DEVWRITE("upd", upd7759_device, port_w)
AM_RANGE(0x60, 0x60) AM_WRITE(ex_upd_start_w) AM_READNOP
AM_RANGE(0x61, 0x61) AM_READ(ex_upd_busy_r)
AM_RANGE(0x64, 0x65) AM_WRITE(ex_ufo21_lamps_w) AM_READNOP
// AM_RANGE(0x68, 0x68) AM_WRITENOP // ?
- AM_IMPORT_FROM( ufo_portmap )
ADDRESS_MAP_END
static ADDRESS_MAP_START( ex_ufo800_portmap, AS_IO, 8, ufo_state )
+ AM_IMPORT_FROM( ufo_portmap )
// AM_RANGE(0x60, 0x67) AM_NOP // unused?
// AM_RANGE(0x68, 0x68) AM_WRITENOP // ?
- AM_IMPORT_FROM( ufo_portmap )
ADDRESS_MAP_END