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mem map notes (nw)

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This commit is contained in:
angelosa 2018-02-09 12:05:51 +01:00
parent 19d798b5ad
commit 0084a0b73e
1 changed files with 8 additions and 1 deletions
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9
src/mame/drivers/gkigt.cpp
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@ -231,7 +231,14 @@ static ADDRESS_MAP_START( igt_gameking_map, AS_PROGRAM, 32, igt_gameking_state )
AM_RANGE(0x18000000, 0x181fffff) AM_RAM AM_SHARE("vram") // igtsc writes from 18000000 to 1817ffff, ms3 all the way to 181fffff.
// 28010000-2801007f: first 28C94 QUART
// 28000000: MEZ2 SEL, also connected to ymz chip select?
// 28010000: first 28C94 QUART (QRT1 SEL)
// 28020000: SENET SEL
// 28030000: WCHDOG SEL
// 28040000: second 28C94 QUART (QRT2 SEL)
// 28050000: SOUND SEL
// 28060000: COLOR SEL
// 28070000: OUT SEL
// AM_RANGE(0x28010000, 0x2801007f) AM_READ(igt_gk_28010008_r) AM_WRITENOP
AM_RANGE(0x28010008, 0x2801000b) AM_READ(uart_status_r)
AM_RANGE(0x2801001c, 0x2801001f) AM_WRITENOP