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Diffstat (limited to 'src/mame/drivers/saitek_risc2500.cpp')
-rw-r--r--src/mame/drivers/saitek_risc2500.cpp342
1 files changed, 0 insertions, 342 deletions
diff --git a/src/mame/drivers/saitek_risc2500.cpp b/src/mame/drivers/saitek_risc2500.cpp
deleted file mode 100644
index 9de8adc73ed..00000000000
--- a/src/mame/drivers/saitek_risc2500.cpp
+++ /dev/null
@@ -1,342 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Sandro Ronco
-/******************************************************************************
-
-Saitek RISC 2500, Mephisto Montreux
-
-The chess engine is also compatible with Tasc's The ChessMachine software.
-The hardware+software appears to have been subcontracted to Tasc. It has similarities
-with Tasc R30, PCB label and Montreux repair manual schematics footnotes say TASC23C.
-
-notes:
-- holding LEFT+RIGHT on boot load the QC TestMode
-- holding UP+DOWN on boot load the TestMode
-
-TODO:
-- bootrom disable timer shouldn't be needed, real ARM has already fetched the next opcode
-- Sound is too short and high pitched, better when you underclock the cpu.
- Is cpu cycle timing wrong? I suspect conditional branch timing due to cache miss
- (pipeline has to refill). The delay loop between writing to the speaker is simply:
- SUBS R2, R2, #$1, BNE $2000cd8
-
-******************************************************************************/
-
-
-#include "emu.h"
-#include "cpu/arm/arm.h"
-#include "machine/ram.h"
-#include "machine/nvram.h"
-#include "machine/sensorboard.h"
-#include "video/sed1520.h"
-#include "sound/dac.h"
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-
-#include "saitek_risc2500.lh"
-
-
-class risc2500_state : public driver_device
-{
-public:
- risc2500_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_ram(*this, "ram")
- , m_nvram(*this, "nvram")
- , m_dac(*this, "dac")
- , m_lcdc(*this, "lcdc")
- , m_board(*this, "board")
- , m_inputs(*this, "P%u", 0)
- , m_digits(*this, "digit%u", 0U)
- , m_syms(*this, "sym%u", 0U)
- , m_leds(*this, "led%u", 0U)
- { }
-
- DECLARE_INPUT_CHANGED_MEMBER(on_button);
-
- void risc2500(machine_config &config);
-
-protected:
- uint32_t p1000_r();
- void p1000_w(uint32_t data);
- uint32_t disable_boot_rom_r();
- TIMER_CALLBACK_MEMBER(disable_boot_rom);
-
- virtual void machine_start() override;
- virtual void machine_reset() override;
- SED1520_UPDATE_CB(screen_update_cb);
- void install_boot_rom();
- void remove_boot_rom();
- void lcd_palette(palette_device &palette) const;
-
- void risc2500_mem(address_map &map);
-
-private:
- required_device<arm_cpu_device> m_maincpu;
- required_device<ram_device> m_ram;
- required_device<nvram_device> m_nvram;
- required_device<dac_byte_interface> m_dac;
- required_device<sed1520_device> m_lcdc;
- required_device<sensorboard_device> m_board;
- required_ioport_array<8> m_inputs;
- output_finder<12> m_digits;
- output_finder<14> m_syms;
- output_finder<16> m_leds;
-
- uint32_t m_p1000;
- emu_timer *m_boot_rom_disable_timer;
-};
-
-
-void risc2500_state::install_boot_rom()
-{
- m_maincpu->space(AS_PROGRAM).install_rom(0x00000000, 0x001ffff, memregion("maincpu")->base());
-}
-
-void risc2500_state::remove_boot_rom()
-{
- m_maincpu->space(AS_PROGRAM).install_ram(0x00000000, m_ram->size() - 1, m_ram->pointer());
-}
-
-void risc2500_state::lcd_palette(palette_device &palette) const
-{
- palette.set_pen_color(0, rgb_t(131, 136, 139)); // lcd pixel off
- palette.set_pen_color(1, rgb_t(51, 42, 43)); // lcd pixel on
- palette.set_pen_color(2, rgb_t(138, 146, 148)); // background
-}
-
-SED1520_UPDATE_CB(risc2500_state::screen_update_cb)
-{
- bitmap.fill(2, cliprect);
-
- for (int c=0; c<12; c++)
- {
- // 12 characters 5 x 7
- for (int x=0; x<5; x++)
- {
- uint8_t gfx = 0;
- if (lcd_on)
- gfx = bitswap<8>(dram[c * 5 + x], 6,5,0,1,2,3,4,7);
-
- for (int y=1; y<8; y++)
- bitmap.pix(y, 71 - (c * 6 + x)) = BIT(gfx, y);
- }
-
- // LCD digits and symbols
- if (lcd_on)
- {
- int data_addr = 80 + c * 5;
- uint16_t data = ((dram[data_addr + 1] & 0x3) << 5) | ((dram[data_addr + 2] & 0x7) << 2) | (dram[data_addr + 4] & 0x3);
- data = bitswap<8>(data, 7,3,0,1,4,6,5,2) | ((dram[data_addr - 1] & 0x04) ? 0x80 : 0);
-
- m_digits[c] = data;
- m_syms[c] = BIT(dram[data_addr + 1], 2);
- }
- else
- {
- m_digits[c] = 0;
- m_syms[c] = 0;
- }
- }
-
- m_syms[12] = lcd_on ? BIT(dram[0x73], 0) : 0;
- m_syms[13] = lcd_on ? BIT(dram[0x5a], 0) : 0;
-
- return 0;
-}
-
-INPUT_CHANGED_MEMBER(risc2500_state::on_button)
-{
- if (newval)
- {
- install_boot_rom();
- m_maincpu->reset();
- }
-}
-
-static INPUT_PORTS_START( risc2500 )
- PORT_START("P0")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("Pawn")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("BACK")
-
- PORT_START("P1")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("Knight")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("ENTER")
-
- PORT_START("P2")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("Bishop")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DOWN) PORT_NAME("DOWN")
-
- PORT_START("P3")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("Rook")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_UP) PORT_NAME("UP")
-
- PORT_START("P4")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("Queen")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_NAME("MENU")
-
- PORT_START("P5")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("King")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_NAME("PLAY")
-
- PORT_START("P6")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("RIGHT")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_N) PORT_NAME("NEW GAME")
-
- PORT_START("P7")
- PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_LEFT) PORT_NAME("LEFT")
- PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_O) PORT_NAME("OFF")
-
- PORT_START("RESET")
- PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_I) PORT_NAME("ON") PORT_CHANGED_MEMBER(DEVICE_SELF, risc2500_state, on_button, 0)
-INPUT_PORTS_END
-
-
-uint32_t risc2500_state::p1000_r()
-{
- uint32_t data = 0;
-
- for (int i=0; i<8; i++)
- {
- if (m_p1000 & (1 << i))
- {
- data |= m_inputs[i]->read();
- data |= m_board->read_rank(i, true);
- }
- }
-
- return data | ((uint32_t)m_lcdc->status_read() << 16);
-}
-
-void risc2500_state::p1000_w(uint32_t data)
-{
- if (!BIT(data, 27))
- {
- if (BIT(data, 26))
- m_lcdc->data_write(data);
- else
- m_lcdc->control_write(data);
- }
-
- if (BIT(data, 31)) // Vertical LED
- {
- for (int i=0; i<8; i++)
- m_leds[i] = BIT(data, i);
- }
-
- if (BIT(data, 30)) // Horizontal LED
- {
- for (int i=0; i<8; i++)
- m_leds[8 + i] = BIT(data, i);
- }
-
- m_dac->write(data >> 28 & 3); // Speaker
-
- m_p1000 = data;
-}
-
-uint32_t risc2500_state::disable_boot_rom_r()
-{
- m_boot_rom_disable_timer->adjust(m_maincpu->cycles_to_attotime(10));
- return 0;
-}
-
-TIMER_CALLBACK_MEMBER(risc2500_state::disable_boot_rom)
-{
- remove_boot_rom();
-}
-
-void risc2500_state::machine_start()
-{
- m_digits.resolve();
- m_syms.resolve();
- m_leds.resolve();
-
- m_nvram->set_base(m_ram->pointer(), m_ram->size());
-
- m_boot_rom_disable_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(risc2500_state::disable_boot_rom), this));
-
- save_item(NAME(m_p1000));
-
- machine().save().register_postload(save_prepost_delegate(FUNC(risc2500_state::remove_boot_rom), this));
-}
-
-void risc2500_state::machine_reset()
-{
- m_p1000 = 0;
-
- install_boot_rom();
-}
-
-void risc2500_state::risc2500_mem(address_map &map)
-{
- map(0x00000000, 0x0001ffff).ram();
- map(0x01800000, 0x01800003).r(FUNC(risc2500_state::disable_boot_rom_r));
- map(0x01000000, 0x01000003).rw(FUNC(risc2500_state::p1000_r), FUNC(risc2500_state::p1000_w));
- map(0x02000000, 0x0203ffff).rom().region("maincpu", 0);
-}
-
-void risc2500_state::risc2500(machine_config &config)
-{
- ARM(config, m_maincpu, XTAL(28'322'000) / 2); // VY86C010
- m_maincpu->set_addrmap(AS_PROGRAM, &risc2500_state::risc2500_mem);
- m_maincpu->set_copro_type(arm_cpu_device::copro_type::VL86C020);
- m_maincpu->set_periodic_int(FUNC(risc2500_state::irq1_line_hold), attotime::from_hz(32.768_kHz_XTAL/128)); // 256Hz
-
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- screen.set_size(12*6+1, 7+2);
- screen.set_visarea_full();
- screen.set_screen_update(m_lcdc, FUNC(sed1520_device::screen_update));
- screen.set_palette("palette");
-
- config.set_default_layout(layout_saitek_risc2500);
-
- PALETTE(config, "palette", FUNC(risc2500_state::lcd_palette), 3);
-
- SED1520(config, m_lcdc);
- m_lcdc->set_screen_update_cb(FUNC(risc2500_state::screen_update_cb));
-
- SENSORBOARD(config, m_board);
- m_board->set_type(sensorboard_device::BUTTONS);
- m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess));
- m_board->set_delay(attotime::from_msec(100));
- m_board->set_nvram_enable(true);
-
- RAM(config, m_ram).set_extra_options("128K, 256K, 512K, 1M, 2M");
- m_ram->set_default_size("2M");
- m_ram->set_default_value(0);
-
- NVRAM(config, "nvram", nvram_device::DEFAULT_NONE);
-
- /* sound hardware */
- SPEAKER(config, "speaker").front_center();
- DAC_2BIT_BINARY_WEIGHTED_ONES_COMPLEMENT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
-}
-
-
-/* ROM definitions */
-
-ROM_START( risc2500 )
- ROM_REGION( 0x40000, "maincpu", ROMREGION_ERASE00 )
- ROM_LOAD("risc2500_v.1.04.u7", 0x000000, 0x020000, CRC(84a06178) SHA1(66f4d9f53de6da865a3ebb4af1d6a3e245c59a3c) ) // M27C1001
-ROM_END
-
-ROM_START( risc2500a )
- ROM_REGION( 0x40000, "maincpu", ROMREGION_ERASE00 )
- ROM_LOAD("risc2500_v.1.03.u7", 0x000000, 0x020000, CRC(7a707e82) SHA1(87187fa58117a442f3abd30092cfcc2a4d7c7efc) )
-ROM_END
-
-ROM_START( montreux ) // v1.00
- ROM_REGION( 0x40000, "maincpu", ROMREGION_ERASE00 )
- ROM_LOAD("rt17b_103_u_7.u7", 0x000000, 0x040000, CRC(db374cf3) SHA1(44dd60d56779084326c3dfb41d2137ebf0b4e0ac) ) // 27C020-15
-ROM_END
-
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS */
-CONS( 1992, risc2500, 0, 0, risc2500, risc2500, risc2500_state, empty_init, "Saitek / Tasc", "Kasparov RISC 2500 (v1.04)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_SOUND )
-CONS( 1992, risc2500a, risc2500, 0, risc2500, risc2500, risc2500_state, empty_init, "Saitek / Tasc", "Kasparov RISC 2500 (v1.03)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_SOUND )
-
-CONS( 1995, montreux, 0, 0, risc2500, risc2500, risc2500_state, empty_init, "Saitek / Tasc", "Mephisto Montreux", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_SOUND ) // after Saitek bought Hegener + Glaser