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Small update, needs the z80 to be decrypted for making any other progress

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This commit is contained in:
Angelo Salese 2010-06-03 18:27:27 +00:00
parent b5d1a61a2c
commit d25029cec0
1 changed files with 6 additions and 14 deletions
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20
src/mame/drivers/rgum.c
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@ -7,6 +7,8 @@ rgum.u5 is for a 6502?
Big Black Box in the middle of the PCB (for encryption, or containing roms?)
The ppi at 3000-3003 seems to be a dual port communication thing with the z80.
*/
#include "emu.h"
@ -54,8 +56,8 @@ static ADDRESS_MAP_START( rgum_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x2000, 0x2000) AM_DEVWRITE("aysnd", ay8910_data_w)
AM_RANGE(0x2002, 0x2002) AM_DEVREADWRITE("aysnd", ay8910_r, ay8910_address_w)
AM_RANGE(0x2801, 0x2801) AM_READ_PORT("DSW1")
AM_RANGE(0x2803, 0x2803) AM_READ_PORT("DSW2")
AM_RANGE(0x2801, 0x2801) AM_READNOP //read but value discarded?
AM_RANGE(0x2803, 0x2803) AM_READNOP
AM_RANGE(0x3000, 0x3003) AM_DEVREADWRITE("ppi8255_0", ppi8255_r, ppi8255_w)
@ -140,18 +142,7 @@ static INPUT_PORTS_START( rgum )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN ) //communication port with the z80?
PORT_START("DSW1")
PORT_DIPNAME( 0x01, 0x01, "DSW1" )
@ -273,6 +264,7 @@ static MACHINE_DRIVER_START( rgum )
MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
MDRV_MC6845_ADD("crtc", MC6845, 24000000/16, mc6845_intf) /* unknown clock & type, hand tuned to get ~50 fps (?) */
MDRV_PPI8255_ADD( "ppi8255_0", ppi8255_intf )
MDRV_GFXDECODE(rgum)