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rd100: Some tentative findings (nw)

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AJR 2017-12-26 19:34:52 -05:00
parent 449688d20b
commit c172e61547
1 changed files with 13 additions and 5 deletions
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16
src/mame/drivers/rd100.cpp
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@ -7,12 +7,14 @@
2015-10-02 Skeleton [Robbbert]
Nothing is known about this system, except that it uses a 6809 CPU.
No manuals, schematic or circuit description have been found.
No manuals, schematic or circuit description have been found. It was
apparently sold in France under the "Superkit" brand.
*********************************************************************************/
#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/pia6821.h"
#include "screen.h"
@ -37,7 +39,9 @@ private:
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, rd100_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x7fff) AM_RAM
//AM_RANGE(0x8640, 0x8643) // device
//AM_RANGE(0x8608, 0x860f) AM_DEVREADWRITE("timer", ptm6840_device, read, write)
AM_RANGE(0x8640, 0x8643) AM_DEVREADWRITE("pia1", pia6821_device, read, write)
AM_RANGE(0x8680, 0x8683) AM_DEVREADWRITE("pia2", pia6821_device, read, write)
//AM_RANGE(0x8700, 0x8700) // device
AM_RANGE(0x8800, 0xffff) AM_ROM AM_REGION("roms", 0x800)
ADDRESS_MAP_END
@ -87,11 +91,15 @@ MACHINE_RESET_MEMBER( rd100_state, rd100 )
static MACHINE_CONFIG_START( rd100 )
// basic machine hardware
MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz) // freq unknown
MCFG_CPU_ADD("maincpu", MC6809, XTAL_4MHz) // MC6809P???
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_MACHINE_RESET_OVERRIDE(rd100_state, rd100)
MCFG_DEVICE_ADD("pia1", PIA6821, 0)
MCFG_DEVICE_ADD("pia2", PIA6821, 0)
// video hardware
MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green())
MCFG_SCREEN_REFRESH_RATE(60)
@ -111,4 +119,4 @@ ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1989, rd100, 0, 0, rd100, rd100, rd100_state, rd100, "Data", "RD100", MACHINE_IS_SKELETON )
COMP( 1989, rd100, 0, 0, rd100, rd100, rd100_state, rd100, "Data R.D.", "RD100", MACHINE_IS_SKELETON )