diff options
Diffstat (limited to 'src/mame/drivers/wy60.cpp')
-rw-r--r-- | src/mame/drivers/wy60.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/mame/drivers/wy60.cpp b/src/mame/drivers/wy60.cpp new file mode 100644 index 00000000000..ef05208733c --- /dev/null +++ b/src/mame/drivers/wy60.cpp @@ -0,0 +1,168 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/*********************************************************************************************************************************** + + Skeleton driver for Wyse WY-60 terminal. + +***********************************************************************************************************************************/ + +#include "emu.h" +#include "cpu/mcs51/mcs51.h" +//#include "machine/i2cmem.h" +#include "machine/mc2661.h" +#include "video/scn2674.h" +#include "screen.h" + +class wy60_state : public driver_device +{ +public: + wy60_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_pvtc(*this, "pvtc") + , m_sio(*this, "sio") + { + } + + void wy60(machine_config &config); + +protected: + virtual void machine_start() override; + virtual void driver_start() override; + +private: + SCN2672_DRAW_CHARACTER_MEMBER(draw_character); + + u8 pvtc_r(offs_t offset); + void pvtc_w(offs_t offset, u8 data); + u8 sio_r(offs_t offset); + void sio_w(offs_t offset, u8 data); + + void prog_map(address_map &map); + void ext_map(address_map &map); + void row_buffer_map(address_map &map); + + required_device<scn2672_device> m_pvtc; + required_device<mc2661_device> m_sio; +}; + + +void wy60_state::machine_start() +{ +} + +SCN2672_DRAW_CHARACTER_MEMBER(wy60_state::draw_character) +{ +} + +u8 wy60_state::pvtc_r(offs_t offset) +{ + return m_pvtc->read(offset >> 8); +} + +void wy60_state::pvtc_w(offs_t offset, u8 data) +{ + m_pvtc->write(offset >> 8, data); +} + +u8 wy60_state::sio_r(offs_t offset) +{ + return m_sio->read(offset >> 8); +} + +void wy60_state::sio_w(offs_t offset, u8 data) +{ + m_sio->write(offset >> 8, data); +} + +void wy60_state::prog_map(address_map &map) +{ + // TODO: EA banking? + map(0x0000, 0xffff).rom().region("coderom", 0); +} + +void wy60_state::ext_map(address_map &map) +{ + map(0x0000, 0x1fff).ram().share("charram"); + map(0x2000, 0x3fff).ram().share("attrram"); + map(0xa000, 0xa7ff).mirror(0x1800).rw(FUNC(wy60_state::pvtc_r), FUNC(wy60_state::pvtc_w)); + map(0xc000, 0xc3ff).mirror(0xc00).r(FUNC(wy60_state::sio_r)); + map(0xd000, 0xd3ff).mirror(0xc00).w(FUNC(wy60_state::sio_w)); +} + +void wy60_state::row_buffer_map(address_map &map) +{ + map.global_mask(0x0ff); + map(0x000, 0x0ff).ram(); +} + + +static INPUT_PORTS_START(wy60) +INPUT_PORTS_END + +void wy60_state::wy60(machine_config &config) +{ + i8051_device &maincpu(I8051(config, "maincpu", 11_MHz_XTAL)); // P8051AN-40196 + maincpu.set_addrmap(AS_PROGRAM, &wy60_state::prog_map); + maincpu.set_addrmap(AS_IO, &wy60_state::ext_map); + + //X2404(config, m_eeprom); + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_raw(26.58_MHz_XTAL, 1000, 0, 800, 443, 0, 416); // 26.580 kHz horizontal + //screen.set_raw(39.71_MHz_XTAL, 1494, 0, 1188, 443, 0, 416); + screen.set_screen_update("pvtc", FUNC(scn2672_device::screen_update)); + + SCN2672(config, m_pvtc, 26.58_MHz_XTAL / 10); // custom-marked as Motorola SC67336P (205001-02) + m_pvtc->set_screen("screen"); + m_pvtc->set_character_width(10); // 9 in 132-column mode + m_pvtc->set_addrmap(0, &wy60_state::row_buffer_map); + m_pvtc->set_addrmap(1, &wy60_state::row_buffer_map); + m_pvtc->set_display_callback(FUNC(wy60_state::draw_character)); + //m_pvtc->intr_callback().set_inputline("maincpu", MCS51_T0_LINE); + //m_pvtc->breq_callback().set_inputline("maincpu", MCS51_INT0_LINE); + + MC2661(config, m_sio, 4.9152_MHz_XTAL); // SCN2661B + //m_sio->rxrdy_handler().set_inputline("maincpu", MCS51_INT1_LINE); +} + +// CPU: 8051(202008-03) +// EPROM: 27512(193003-01) +// Video: 211003-02/205001-02 +// RAM: 2064 (2064/2016/2016/2064) +// NVRAM: X2404 +// UART: 2661 +// XTALs: 39.710, 26.580, 11.000, 4.9152 + +ROM_START(wy60) + ROM_REGION(0x1000, "maincpu", 0) + ROM_LOAD("202008-03.bin", 0x0000, 0x1000, NO_DUMP) + + ROM_REGION(0x10000, "coderom", 0) + ROM_LOAD("193003-01.u9", 0x00000, 0x10000, CRC(26de0ea4) SHA1(91409f98a3990b514fbcb7de2eb45944bf5b95bc)) +ROM_END + +ROM_START(wy60a) + ROM_REGION(0x1000, "maincpu", 0) + ROM_LOAD("202008-03.bin", 0x0000, 0x1000, NO_DUMP) + + ROM_REGION(0x10000, "coderom", 0) + ROM_LOAD("wy-60_4k.u6", 0x00000, 0x10000, CRC(6daf2824) SHA1(23cd039ec7ae71b0742e8eebf75be8cd5992e3fd)) +ROM_END + +void wy60_state::driver_start() +{ + uint8_t *rom = memregion("coderom")->base(); + for (offs_t base = 0x00000; base < 0x10000; base += 0x2000) + { + std::vector<uint8_t> orig(&rom[base], &rom[base + 0x2000]); + + for (offs_t offset = 0; offset < 0x2000; offset++) + rom[base | offset] = bitswap<8>(orig[bitswap<13>(offset, 0, 6, 9, 4, 2, 1, 3, 5, 7, 8, 10, 11, 12)], 6, 0, 5, 1, 4, 2, 3, 7); + } + + // FIXME: remove once internal ROM is dumped + std::copy_n(rom, 0x1000, memregion("maincpu")->base()); +} + +COMP(1986, wy60, 0, 0, wy60, wy60, wy60_state, empty_init, "Wyse Technology", "WY-60 (set 1)", MACHINE_IS_SKELETON) +COMP(1986, wy60a, wy60, 0, wy60, wy60, wy60_state, empty_init, "Wyse Technology", "WY-60 (set 2)", MACHINE_IS_SKELETON) |