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r26430 Tuesday 26th November, 2013 at 14:43:54 UTC by Angelo Salese
A bunch of extra information
[src/mess/drivers]xavix.c

trunk/src/mess/drivers/xavix.c
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1// license: ?
2// copyright-holders: Angelo Salese
1// license: MAME
2// copyright-holders: ?
33/***************************************************************************
44
5Template for skeleton drivers
5   Skeleton driver for XaviX TV PNP console and childs (Let's! Play TV Classic)
66
7   CPU is M6502 derivative, almost likely to be a G65816
8
9   TODO:
10   - understand how to map ROM at 0x800000-0x9fffff / 0xc00000 / 0xdfffff
11     banks (granted that we have the ROM for that, of course)
12
713***************************************************************************/
814
915
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4753}
4854
4955static ADDRESS_MAP_START( xavix_map, AS_PROGRAM, 8, xavix_state )
50   AM_RANGE(0x00f000, 0x00ffff) AM_ROM AM_REGION("bios", 0xf000)
51   AM_RANGE(0x800000, 0x9fffff) AM_ROM AM_REGION("bios", 0)
52
56   AM_RANGE(0x000000, 0x0001ff) AM_RAM
57   AM_RANGE(0x00f000, 0x00ffff) AM_ROM AM_REGION("bios", 0x00f000)
58   AM_RANGE(0x800000, 0x9fffff) AM_ROM AM_REGION("bios", 0x000000) // wrong
5359ADDRESS_MAP_END
5460
5561static INPUT_PORTS_START( xavix )
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108114   PORT_DIPSETTING(    0x00, DEF_STR( On ) )
109115INPUT_PORTS_END
110116
117/* correct, 4bpp gfxs */
111118static const gfx_layout charlayout =
112119{
113120   8,8,

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