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ghox: HD647180X memory mapping note (nw)

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This commit is contained in:
AJR 2017-07-31 09:23:50 -04:00
parent 6217982ffd
commit 018b5bce85
1 changed files with 3 additions and 4 deletions
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7
src/mame/drivers/toaplan2.cpp
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@ -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")