// license:BSD-3-Clause // copyright-holders:Robbbert /****************************************************************************************************** Motorola M68HC05EVS evaluation system Chips: Main board: XC68HC26P, R65C52P2, MS62256l-70PC, MS6264L-70PC, eprom. Xtal = 3.6864MHz Emulator board: MC68C705P9CP, undumped 28-pin prom. Xtal = 4MHz R65C52 = Dual ACIA with inbuilt baud rate divider, uses 8 addresses, uses the 3.6864MHz crystal XC68HC26P = PPI (3 ports), uses 8 addresses. 2014-01-12 Skeleton driver The rom is larger than the available address space, but not all of it is programmed. The code ranges are 800-18FF,1FF0-1FFF. There must be a banking scheme in use. Memory map guess 000-07F Stack (and user ram?) 080-0FF RAM (or devices?) 100-FFF ROM ToDo: - Everything ******************************************************************************************************/ #include "emu.h" #include "cpu/m6805/m6805.h" class m6805evs_state : public driver_device { public: m6805evs_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } private: required_device m_maincpu; virtual void machine_reset() override; }; static ADDRESS_MAP_START( m6805evs_mem, AS_PROGRAM, 8, m6805evs_state ) AM_RANGE(0x0000, 0x00ff) AM_RAM AM_RANGE(0x0100, 0x07ff) AM_ROM AM_REGION("roms", 0x1100) AM_RANGE(0x0800, 0x0fef) AM_ROM AM_REGION("roms", 0x0800) AM_RANGE(0x0ff0, 0x0fff) AM_ROM AM_REGION("roms", 0x1ff0) ADDRESS_MAP_END static INPUT_PORTS_START( m6805evs ) INPUT_PORTS_END void m6805evs_state::machine_reset() { } static MACHINE_CONFIG_START( m6805evs, m6805evs_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68705, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(m6805evs_mem) MACHINE_CONFIG_END ROM_START(m6805evs) ROM_REGION(0x2000, "roms", 0) ROM_LOAD( "evsbug12.bin", 0x0000, 0x2000, CRC(8b581aef) SHA1(eacf425cc8a042085ccc4097cc61570b633b1e38) ) ROM_END /*************************************************************************** Game driver(s) ***************************************************************************/ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ COMP( 1990, m6805evs, 0, 0, m6805evs, m6805evs, driver_device, 0, "Motorola", "M68HC05EVS", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )