Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-05 00:38:58 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

vp122: Identify and add NVRAM (nw)

Browse Source
This commit is contained in:
AJR 2017-11-25 08:05:13 -05:00
parent ab78f16bf5
commit 8c594736a9
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/mame/drivers/vp122.cpp
View File

@ -10,6 +10,7 @@ Skeleton driver for ADDS Viewpoint 122 terminal.
#include "cpu/i8085/i8085.h"
#include "machine/i8251.h"
#include "machine/mc68681.h"
#include "machine/nvram.h"
#include "machine/pit8253.h"
//#include "video/scn2674.h"
@ -29,7 +30,7 @@ private:
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, vp122_state )
AM_RANGE(0x0000, 0x9fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0xa000, 0xa7ff) AM_RAM
AM_RANGE(0xa000, 0xa7ff) AM_RAM AM_SHARE("nvram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, vp122_state )
@ -48,6 +49,8 @@ static MACHINE_CONFIG_START( vp122 )
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_NVRAM_ADD_0FILL("nvram") // MK48Z02
MCFG_DEVICE_ADD("duart", SCN2681, XTAL_3_6864MHz)
MCFG_MC68681_IRQ_CALLBACK(INPUTLINE("maincpu", I8085_RST55_LINE))
@ -59,7 +62,7 @@ MACHINE_CONFIG_END
/**************************************************************************************************************
ADDS Viewpoint 122 (VPT-122).
Chips: D8085AC-2, SCN2674B, SCB2675T, D8251AFC, SCN2681A, D8253C-2, 5x MB8129-15, MX462020-20 (guess, it's unreadable)
Chips: D8085AC-2, SCN2674B, SCB2675T, D8251AFC, SCN2681A, D8253C-2, 5x MB8128-15, MK48Z028-20
Crystals: 22.096, 14.916, 3.6864, 8.000
***************************************************************************************************************/