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author AJR <ajrhacker@users.noreply.github.com>2017-07-31 09:23:50 -0400
committer AJR <ajrhacker@users.noreply.github.com>2017-07-31 09:23:50 -0400
commit018b5bce85c1ad8438b03299b110d5ef13c91bc8 (patch)
treede109cca797e484a87d4ff03b949ec09a6a9ec18 /src
parent6217982ffda4a2cb74d887cd8282c239b6217821 (diff)
ghox: HD647180X memory mapping note (nw)
Diffstat (limited to 'src')
-rw-r--r--src/mame/drivers/toaplan2.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/mame/drivers/toaplan2.cpp b/src/mame/drivers/toaplan2.cpp
index db896b7fab9..42415e6a61d 100644
--- a/src/mame/drivers/toaplan2.cpp
+++ b/src/mame/drivers/toaplan2.cpp
@@ -1491,10 +1491,9 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( ghox_hd647180_mem_map, AS_PROGRAM, 8, toaplan2_state )
- AM_RANGE(0x00000, 0x03fff) AM_ROM /* Internal 16k byte ROM */
- AM_RANGE(0x0fe00, 0x0ffff) AM_RAM /* Internal 512 byte RAM */
-
- AM_RANGE(0x3fe00, 0x3ffff) AM_RAM /* RAM (is this actually just internal RAM getting mapped badly?) */
+ AM_RANGE(0x00000, 0x03fff) AM_ROM // Internal 16k byte ROM
+ AM_RANGE(0x0fe00, 0x0ffff) AM_RAM // Internal 512 byte RAM
+ AM_RANGE(0x3fe00, 0x3ffff) AM_RAM // Relocated internal RAM (RMCR = 30)
AM_RANGE(0x40000, 0x4f7ff) AM_RAM AM_SHARE("shared_ram")