// license:BSD-3-Clause // copyright-holders:AJR /*********************************************************************************************************************************** Skeleton driver for Decision Data IS-48x/LM-48xC IBM-compatible coax workstation displays. ***********************************************************************************************************************************/ #include "emu.h" #include "cpu/i86/i186.h" //#include "cpu/bcp/bcp.h" //#include "machine/eeprompar.h" //#include "video/mc6845.h" //#include "screen.h" class is48x_state : public driver_device { public: is48x_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } void is482(machine_config &config); private: void mem_map(address_map &map); void io_map(address_map &map); required_device m_maincpu; }; void is48x_state::mem_map(address_map &map) { map(0x00000, 0x07fff).ram(); map(0x40000, 0x47fff).ram(); map(0x50000, 0x51fff).ram(); map(0x54000, 0x55fff).ram(); map(0x60022, 0x60022).nopr(); map(0x61ffa, 0x61ffa).nopr(); map(0x80000, 0xfffff).rom().region("program", 0); } void is48x_state::io_map(address_map &map) { map(0x8005, 0x8005).nopw(); //map(0x8080, 0x8080).w("crtc", FUNC(mc6845_device::address_w)); //map(0x8081, 0x8081).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); map(0x8101, 0x8101).nopr(); map(0x8180, 0x8180).ram(); } static INPUT_PORTS_START(is482) INPUT_PORTS_END void is48x_state::is482(machine_config &config) { I80188(config, m_maincpu, 16_MHz_XTAL); m_maincpu->set_addrmap(AS_PROGRAM, &is48x_state::mem_map); m_maincpu->set_addrmap(AS_IO, &is48x_state::io_map); //DP8344(config, "bcp", 18.867_MHz_XTAL); } ROM_START(is482) // "IS-488-A" on case ROM_REGION(0x80000, "program", 0) ROM_LOAD("is-482_u67_s008533243.bin", 0x00000, 0x80000, CRC(1e23ac17) SHA1(aadc73bc0454c5b1c33d440dc511009dc6b7f9e0)) ROM_END COMP(199?, is482, 0, 0, is482, is482, is48x_state, empty_init, "Decision Data", "IS-482 Workstation", MACHINE_IS_SKELETON)