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Diffstat (limited to 'src/mame/drivers/polgar.cpp')
-rw-r--r--src/mame/drivers/polgar.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mame/drivers/polgar.cpp b/src/mame/drivers/polgar.cpp
index 73111e5e844..db60525646c 100644
--- a/src/mame/drivers/polgar.cpp
+++ b/src/mame/drivers/polgar.cpp
@@ -383,11 +383,15 @@ ROM_END
ROM_START(mrisc)
ROM_REGION(0x20000, "maincpu", 0)
+ // contains ChessMachine engine at 0x0-0x03fff + 0x10000-0x1c74f, concatenate those sections and make a .bin file,
+ // then it will work on ChessMachine software. It identifies as R E B E L ver. HG-021 03-04-92
ROM_LOAD("meph-risci-v1-2.bin", 0x00000, 0x20000, CRC(19c6ab83) SHA1(0baab84e5aa6999c24250938d207145144945fd5))
ROM_END
ROM_START(mrisc2)
ROM_REGION(0x20000, "maincpu", 0)
+ // contains ChessMachine engine at 0x0-0x03fff + 0x10000-0x1cb7f, concatenate those sections and make a .bin file,
+ // then it will work on ChessMachine software. It identifies as R E B E L ver. 2.31 22-07-93, world champion Madrid 1992
ROM_LOAD("meph-riscii-v2.bin", 0x00000, 0x20000, CRC(9ecf9cd3) SHA1(7bfc628183037a172242c9589f15aca218d8fb12))
ROM_END