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author Robbbert <Robbbert@users.noreply.github.com>2017-10-21 04:18:32 +1100
committer Robbbert <Robbbert@users.noreply.github.com>2017-10-21 04:18:32 +1100
commit4a12b28ba51f0678d4d2838aada47e6a129c5d9c (patch)
tree1c7aa10ac9ab0684b4cf1b4a3f9b18775c0a2b8d
parent034cf8659c38a3d30d9f9858c12218686c5b86b7 (diff)
(nw) mps1230 : added notes
-rw-r--r--src/mame/drivers/mps1230.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/mps1230.cpp b/src/mame/drivers/mps1230.cpp
index e80530b3643..69c35ceaff1 100644
--- a/src/mame/drivers/mps1230.cpp
+++ b/src/mame/drivers/mps1230.cpp
@@ -122,6 +122,7 @@ void mps1230_state::machine_reset()
static ADDRESS_MAP_START( mps1230_map, AS_PROGRAM, 8, mps1230_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0xc000, 0xdfff) AM_RAM // as per the service manual
+ AM_RANGE(0xff80, 0xffff) AM_RAM // internal in cpu
ADDRESS_MAP_END
/***************************************************************************
@@ -147,7 +148,7 @@ ROM_START(mps1000)
// ver 2.20, 06/DEC/1986 (But it could also perhaps mean 12/JUN/1986)
// I can't tell the PCB reference because this was dumped from spare EPROMs from a drawer
// The dump seems to be good because the data content of all of my 4 spare EPROMs matched perfectly.
- ROM_LOAD( "mps_1000_vers_2.20_12-06-86.rom", 0x000000, 0x02000, CRC(0a91ea8a) SHA1(ccb679f3d1f7f4eddb4e8899fe9e9a594dcfca5d) )
+ ROM_LOAD( "mps_1000_vers_2.20_12-06-86.rom", 0x000000, 0x02000, CRC(0a91ea8a) SHA1(ccb679f3d1f7f4eddb4e8899fe9e9a594dcfca5d) ) // this is Z80 code
ROM_END
ROM_START(mps1230)