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-rw-r--r--src/mame/drivers/wy60.cpp168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/mame/drivers/wy60.cpp b/src/mame/drivers/wy60.cpp
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+++ b/src/mame/drivers/wy60.cpp
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+// 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)