// license:BSD-3-Clause // copyright-holders:AJR /************************************************************************************************************ Skeleton driver for Memorex Telex 1192 IBM-compatible video display terminal. ************************************************************************************************************/ #include "emu.h" #include "cpu/bcp/dp8344.h" #include "machine/nvram.h" //#include "screen.h" class telex1192_state : public driver_device { public: telex1192_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_bcp(*this, "bcp") , m_datarom(*this, "datarom") { } void telex1192(machine_config &config); private: u16 data_r(offs_t offset); void inst_map(address_map &map); void data_map(address_map &map); required_device m_bcp; required_region_ptr m_datarom; }; u16 telex1192_state::data_r(offs_t offset) { // FIXME: not how this code is actually loaded (at least addresses are wrong) return m_datarom[offset * 2] | m_datarom[offset * 2 + 1] << 8; } void telex1192_state::inst_map(address_map &map) { map(0x0000, 0x1fff).rom().region("program", 0); map(0xc000, 0xcfff).r(FUNC(telex1192_state::data_r)); } void telex1192_state::data_map(address_map &map) { map.unmap_value_high(); map(0x0000, 0x7fff).ram(); map(0xa000, 0xa7ff).ram().share("nvram"); } static INPUT_PORTS_START(telex1192) INPUT_PORTS_END void telex1192_state::telex1192(machine_config &config) { DP8344A(config, m_bcp, 18.8696_MHz_XTAL); m_bcp->set_addrmap(AS_PROGRAM, &telex1192_state::inst_map); m_bcp->set_addrmap(AS_DATA, &telex1192_state::data_map); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // DS1220Y } // XTALs: 18.8696 (Y1), 6.1440 MHz (Y2), 46.2 MHz (Y3), 24.8443 MHz (Y4), 28.3046 MHz (Y5), 40.993430 MHz (Y6) // CPU: NS DP8344AV BCP // Gate array: Toshiba TC110G17AT // RAM: 3x Motorola MCM6264P45, Toshiba TC55257APL-10, Dallas DS1220Y-150 ROM_START(telex1192) ROM_REGION16_LE(0x4000, "program", 0) ROM_LOAD16_BYTE("206252-003.u7", 0x0000, 0x2000, CRC(3632b762) SHA1(a45dbcd96485ad87c60257e95dc58f31d1e4ddee)) ROM_LOAD16_BYTE("206251-003.u8", 0x0001, 0x2000, CRC(2852d830) SHA1(947612957daa441596a547f23c526d20306e6e0d)) ROM_REGION(0x10000, "datarom", 0) ROM_LOAD("206253-003.u6", 0x00000, 0x10000, CRC(8d7d9356) SHA1(0b2eda8b04b2a6651f4fbf4cd6cdd129a70110ee)) ROM_END COMP(1989, telex1192, 0, 0, telex1192, telex1192, telex1192_state, empty_init, "Memorex Telex", "Telex 1192", MACHINE_IS_SKELETON)