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Diffstat (limited to 'src/mame/drivers/slc1a.cpp')
-rw-r--r-- | src/mame/drivers/slc1a.cpp | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/mame/drivers/slc1a.cpp b/src/mame/drivers/slc1a.cpp deleted file mode 100644 index ee05137f3e3..00000000000 --- a/src/mame/drivers/slc1a.cpp +++ /dev/null @@ -1,210 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sandro Ronco -/*************************************************************************** - -This appears to be a prototype or alternate version of SLC 1. -The ROM was first assumed to be VEB SC 1, but unfortunately it isn't. - -TODO: -- merge with slc1.cpp? but hardware differs too much -- any way to access the "Lern" part? -- speaker, it's very noisy if hooked up as it is now -- LED(s)? they're not on digit d7 -- 7seg sometimes flashes - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/z80pio.h" -#include "sound/dac.h" -#include "speaker.h" - -#include "slc1a.lh" - - -namespace { - -class slc1_state : public driver_device -{ -public: - slc1_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_pio(*this, "z80pio"), - m_dac(*this, "dac"), - m_keypad(*this, "LINE%u", 1), - m_digits(*this, "digit%u", 0U) - { } - - void slc1(machine_config &config); - -protected: - virtual void machine_start() override; - -private: - required_device<cpu_device> m_maincpu; - required_device<z80pio_device> m_pio; - required_device<dac_bit_interface> m_dac; - required_ioport_array<8> m_keypad; - - output_finder<4> m_digits; - - void main_io(address_map &map); - void main_map(address_map &map); - - uint8_t m_matrix; - - void matrix_w(uint8_t data); - void pio_port_a_w(uint8_t data); - uint8_t pio_port_b_r(); -}; - -void slc1_state::machine_start() -{ - m_digits.resolve(); - - m_matrix = 0; - save_item(NAME(m_matrix)); -} - -/*************************************************************************** - - Display - -***************************************************************************/ - -void slc1_state::pio_port_a_w(uint8_t data) -{ - // digit segment data - uint8_t digit = bitswap<8>(data,3,4,6,0,1,2,7,5); - - if (m_matrix & 0x04) - m_digits[3] = digit; - if (m_matrix & 0x08) - m_digits[2] = digit; - if (m_matrix & 0x10) - m_digits[1] = digit; - if (m_matrix & 0x20) - m_digits[0] = digit; -} - - -/*************************************************************************** - - Keyboard - -***************************************************************************/ - -void slc1_state::matrix_w(uint8_t data) -{ - // d1: speaker out - //m_dac->write(BIT(data, 1)); - - // keypad/led mux - m_matrix = data; -} - -uint8_t slc1_state::pio_port_b_r() -{ - uint8_t data = 0; - - // read keypad matrix - for (int i = 0; i < 8; i++) - if (BIT(m_matrix, i)) - data |= m_keypad[i]->read(); - - return data; -} - - -void slc1_state::main_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x0fff).rom(); - map(0x4000, 0x43ff).ram(); -} - -void slc1_state::main_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x80, 0x83).rw(m_pio, FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); - map(0xfc, 0xfc).w(FUNC(slc1_state::matrix_w)); -} - - -/* Input ports */ - -static INPUT_PORTS_START( slc1 ) - PORT_START("LINE1") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4 T") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_D) - - PORT_START("LINE2") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2 S") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_B) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6 K") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_F) - - PORT_START("LINE3") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3 L") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_C) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CODE(KEYCODE_G) - - PORT_START("LINE4") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1 B") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CODE(KEYCODE_A) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5 D") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CODE(KEYCODE_E) - - PORT_START("LINE5") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_H) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C") PORT_CODE(KEYCODE_R) - - PORT_START("LINE6") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A") PORT_CODE(KEYCODE_O) - - PORT_START("LINE7") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) - - PORT_START("LINE8") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("St") PORT_CODE(KEYCODE_S) PORT_CODE(KEYCODE_BACKSPACE) PORT_CODE(KEYCODE_DEL) -INPUT_PORTS_END - - -/* Machine config */ - -void slc1_state::slc1(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 2500000); // U880 Z80 clone - m_maincpu->set_addrmap(AS_PROGRAM, &slc1_state::main_map); - m_maincpu->set_addrmap(AS_IO, &slc1_state::main_io); - - /* video hardware */ - config.set_default_layout(layout_slc1a); - - /* devices */ - Z80PIO(config, m_pio, 2500000); - m_pio->out_pa_callback().set(FUNC(slc1_state::pio_port_a_w)); - m_pio->in_pb_callback().set(FUNC(slc1_state::pio_port_b_r)); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); -} - - -/* ROM definition */ - -ROM_START( slc1a ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "sc1.rom", 0x0000, 0x1000, CRC(26965b23) SHA1(01568911446eda9f05ec136df53da147b7c6f2bf)) -ROM_END - -} // anonymous namespace - - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS -COMP( 1989, slc1a, slc1, 0, slc1, slc1, slc1_state, empty_init, "Dieter Scheuschner", "Schach- und Lerncomputer SLC 1 (prototype?)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) |