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Diffstat (limited to 'src/mame/drivers/selz80.cpp')
-rw-r--r-- | src/mame/drivers/selz80.cpp | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/src/mame/drivers/selz80.cpp b/src/mame/drivers/selz80.cpp deleted file mode 100644 index 6b2083546c5..00000000000 --- a/src/mame/drivers/selz80.cpp +++ /dev/null @@ -1,299 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - SEL Z80 Trainer (LEHRSYSTEME) - - 31/08/2010 Skeleton driver. - 23/06/2011 Working [Robbbert] - -No diagram has been found. The following is guesswork. - -Test sequence: Press -, enter an address, press = to show contents, press - up/down-arrow to cycle through addresses. - -Paste test: -=11H22H33H44H55H66H77H88H99HK-1000= -Now press UP to see that the data has been entered. - -ToDo: -- Keys are a guess, need to be confirmed. -- Needs to be tested by a subject-matter expert. -- i8255 to be added (address is unknown) -- "Tape-Interface" to be added (has its own LED) -- "Binary" area to be added - has 8 slide switches and a LED for each -- Halt LED -- "User Display" to be added - has 6 digits and a 74C917 chip -- 3 large sockets labelled "E C B - BUS" - -- Unknown I/O: -'maincpu' (00F2): unmapped i/o memory write to 000C = 00 & FF -'maincpu' (00F8): unmapped i/o memory write to 0010 = FF & FF - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/i8251.h" -#include "machine/i8279.h" -#include "bus/rs232/rs232.h" -#include "machine/clock.h" -#include "video/pwm.h" -#include "selz80.lh" - - -class selz80_state : public driver_device -{ -public: - selz80_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_p_ram(*this, "ram") - , m_io_keyboard(*this, "X%u", 0U) - , m_clock(*this, "uart_clock") - , m_display(*this, "display") - { } - - void selz80(machine_config &config); - -protected: - void scanlines_w(uint8_t data); - void digit_w(uint8_t data); - uint8_t kbd_r(); - - void selz80_io(address_map &map); - - u8 m_digit; - u8 m_seg; - void setup_baud(); - void machine_start() override; - required_device<cpu_device> m_maincpu; - optional_shared_ptr<u8> m_p_ram; - required_ioport_array<4> m_io_keyboard; - required_device<clock_device> m_clock; - required_device<pwm_display_device> m_display; - -private: - void selz80_mem(address_map &map); - void machine_reset() override; - -}; - -class dagz80_state : public selz80_state -{ -public: - using selz80_state::selz80_state; - void dagz80(machine_config &config); - -private: - void dagz80_mem(address_map &map); - void machine_reset() override; -}; - -void dagz80_state::dagz80_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x1fff).ram().share("ram"); - map(0xe000, 0xffff).ram(); -} - -void selz80_state::selz80_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x0fff).rom(); - map(0x1000, 0x27ff).ram(); // all 3 RAM sockets filled - // map(0x3000, 0x37ff).rom(); // empty socket for ROM - map(0xa000, 0xffff).rom(); -} - -void selz80_state::selz80_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x00, 0x01).rw("i8279", FUNC(i8279_device::read), FUNC(i8279_device::write)); - map(0x18, 0x19).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); -} - -/* Input ports */ -static INPUT_PORTS_START( selz80 ) -/* 2 x 16-key pads -RS SS RN MM C(IS) D(FL) E(FL') F -EX BP TW TR 8(IX) 9(IY) A(PC) B(SP) -RL IN - + 4(AF') 5(BC') 6(DE') 7(HL') -RG EN SA SD 0(AF) 1(BC) 2(DE) 3(HL) - */ - PORT_START("X0") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E FL'") PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D FL") PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C IS") PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MM") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RN") PORT_CODE(KEYCODE_W) PORT_CHAR('W') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SS") PORT_CODE(KEYCODE_R) PORT_CHAR('R') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RS") PORT_CODE(KEYCODE_T) PORT_CHAR('T') - - PORT_START("X1") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B SP") PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A PC") PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 IY") PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 IX") PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TR (tape read)") PORT_CODE(KEYCODE_Y) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TW (tape write)") PORT_CODE(KEYCODE_U) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BP") PORT_CODE(KEYCODE_I) PORT_CHAR('I') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EX") PORT_CODE(KEYCODE_O) PORT_CHAR('O') - - PORT_START("X2") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 HL'") PORT_CODE(KEYCODE_7) PORT_CHAR('7') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 DE'") PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 BC'") PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 AF'") PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("IN") PORT_CODE(KEYCODE_S) PORT_CHAR('S') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RL") PORT_CODE(KEYCODE_G) PORT_CHAR('G') - - PORT_START("X3") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 HL") PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 DE") PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 BC") PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 AF") PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SD") PORT_CODE(KEYCODE_H) PORT_CHAR('H') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SA") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EN") PORT_CODE(KEYCODE_K) PORT_CHAR('K') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RG") PORT_CODE(KEYCODE_L) PORT_CHAR('L') - - PORT_START("BJ") // baud jumper - /* not connected to cpu, each pair of pins is connected directly to the output - of a 4020 counter dividing the ???? clock to feed the 8251. You use a jumper - (like the kind on the back of a IDE hard drive) to choose the speed. */ - PORT_DIPNAME( 0x0F, 0x00, "Baud Rate" ) - PORT_DIPSETTING( 0x00, "9600" ) - PORT_DIPSETTING( 0x01, "4800" ) - PORT_DIPSETTING( 0x02, "2400" ) - PORT_DIPSETTING( 0x03, "1200" ) - PORT_DIPSETTING( 0x04, "600" ) - PORT_DIPSETTING( 0x05, "300" ) - PORT_DIPSETTING( 0x06, "150" ) - PORT_DIPSETTING( 0x07, "75" ) - PORT_DIPSETTING( 0x08, "38" ) // 37.5 - PORT_DIPSETTING( 0x09, "18" ) // 17.75 - PORT_DIPSETTING( 0x0A, "9" ) // 8.875 -INPUT_PORTS_END - - -void selz80_state::setup_baud() -{ - // setup baud rate for uart - u8 baudsw = ioport("BJ")->read() & 15; - if (baudsw) - { - u32 speed = (9600*16) >> baudsw; - m_clock->set_unscaled_clock(speed); - } -} - -void selz80_state::machine_start() -{ - save_item(NAME(m_digit)); - save_item(NAME(m_seg)); -} - -void selz80_state::machine_reset() -{ - setup_baud(); -} - -void dagz80_state::machine_reset() -{ - setup_baud(); - uint8_t* rom = memregion("user1")->base(); - uint16_t size = memregion("user1")->bytes(); - memcpy(m_p_ram, rom, size); - m_maincpu->reset(); -} - -void selz80_state::scanlines_w(uint8_t data) -{ - m_digit = data; - m_display->matrix(1 << m_digit, m_seg); -} - -void selz80_state::digit_w(uint8_t data) -{ - m_seg = bitswap<8>(data, 3, 2, 1, 0, 7, 6, 5, 4); - m_display->matrix(1 << m_digit, m_seg); -} - -uint8_t selz80_state::kbd_r() -{ - uint8_t data = 0xff; - - if ((m_digit & 7) < 4) - data = m_io_keyboard[m_digit & 3]->read(); - - return data; -} - -void selz80_state::selz80(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 4.9152_MHz_XTAL / 2); // NEC uPD780C-1 cpu - m_maincpu->set_addrmap(AS_PROGRAM, &selz80_state::selz80_mem); - m_maincpu->set_addrmap(AS_IO, &selz80_state::selz80_io); - - /* video hardware */ - config.set_default_layout(layout_selz80); - PWM_DISPLAY(config, m_display).set_size(8, 8); - m_display->set_segmask(0xff, 0xff); - - /* Devices */ - CLOCK(config, m_clock, 153'600); - m_clock->signal_handler().set("uart", FUNC(i8251_device::write_txc)); - m_clock->signal_handler().append("uart", FUNC(i8251_device::write_rxc)); - - i8251_device &uart(I8251(config, "uart", 0)); - uart.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd)); - uart.dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr)); - uart.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr)); - rs232.rxd_handler().set("uart", FUNC(i8251_device::write_rxd)); - rs232.dsr_handler().set("uart", FUNC(i8251_device::write_dsr)); - rs232.cts_handler().set("uart", FUNC(i8251_device::write_cts)); - - i8279_device &kbdc(I8279(config, "i8279", 4.9152_MHz_XTAL / 2)); // based on divider - kbdc.out_sl_callback().set(FUNC(selz80_state::scanlines_w)); // scan SL lines - kbdc.out_disp_callback().set(FUNC(selz80_state::digit_w)); // display A&B - kbdc.in_rl_callback().set(FUNC(selz80_state::kbd_r)); // kbd RL lines - kbdc.in_shift_callback().set_constant(1); // Shift key - kbdc.in_ctrl_callback().set_constant(1); -} - -void dagz80_state::dagz80(machine_config &config) -{ - selz80(config); - m_maincpu->set_addrmap(AS_PROGRAM, &dagz80_state::dagz80_mem); -} - - -/* ROM definition */ -ROM_START( selz80 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_SYSTEM_BIOS(0, "v3.3", "V3.3") - ROMX_LOAD( "z80-trainer.rom", 0x0000, 0x1000, CRC(eed1755f) SHA1(72e6ebfccb0e50034660bc36db1a741932311ce1), ROM_BIOS(0)) // (c)TEL86/V3.3 - ROM_SYSTEM_BIOS(1, "v3.2", "V3.2") - ROMX_LOAD( "moniz80_3.2_04.12.1985.bin", 0x0000, 0x1000, CRC(3a3cf574) SHA1(ba6cd2276ce66f3a4545baf4d396f6c06d51dc38), ROM_BIOS(1)) // (c)SEL85/V3.2 - ROM_LOAD( "term80-a000.bin", 0xa000, 0x2000, CRC(0a58c0a7) SHA1(d1b4b3b2ad0d084175b1ff6966653d8b20025252)) - ROM_LOAD( "term80-e000.bin", 0xe000, 0x2000, CRC(158e08e6) SHA1(f1add43bcf8744a01238fb893ee284872d434db5)) -ROM_END - -ROM_START( dagz80 ) - ROM_REGION( 0x2000, "user1", ROMREGION_ERASEFF ) - ROM_LOAD( "moni_1.5_15.08.1988.bin", 0x0000, 0x2000, CRC(318aee6e) SHA1(c698fdee401b88e673791aabcba6a9628938a075) ) -ROM_END - - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1985, selz80, 0, 0, selz80, selz80, selz80_state, empty_init, "SEL", "SEL Z80 Trainer", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE ) -COMP( 1988, dagz80, selz80, 0, dagz80, selz80, dagz80_state, empty_init, "DAG", "DAG Z80 Trainer", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE ) |