From 6b430378e1b28d9edbf7e6bd9a2cc554ee3f593b Mon Sep 17 00:00:00 2001 From: hap Date: Sat, 16 Mar 2019 01:13:54 +0100 Subject: [PATCH] sc1: is not sc1, rom matches slc1 by 90%, keypad functions same as slc1 (nw) --- src/mame/drivers/sc1.cpp | 89 ++++++++++++++++++--------------------- src/mame/drivers/sc2.cpp | 3 ++ src/mame/drivers/slc1.cpp | 2 +- src/mame/layout/sc1.lay | 30 +++---------- src/mame/mame.lst | 2 +- 5 files changed, 52 insertions(+), 74 deletions(-) diff --git a/src/mame/drivers/sc1.cpp b/src/mame/drivers/sc1.cpp index 045bbd8f4ee..2fa3a1b858a 100644 --- a/src/mame/drivers/sc1.cpp +++ b/src/mame/drivers/sc1.cpp @@ -2,16 +2,14 @@ // copyright-holders:Sandro Ronco /*************************************************************************** -Schachcomputer SC 1 driver - -VEB Mikroelektronik's 1st chess computer. It was canceled before wide release. +This appears to be a prototype of SLC 1, it's definitely not VEB SC 1. TODO: -- speaker, it's very noisy if hooked up as it is now, missing enable-bit? - it still toggles matrix d1 if T(tone off) is pressed -- LEDs, they're not on digit d7 +- 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 -- setting level doesn't work? game should boot with "PS 1" ****************************************************************************/ @@ -27,20 +25,19 @@ TODO: namespace { -class sc1_state : public driver_device +class slc1p_state : public driver_device { public: - sc1_state(const machine_config &mconfig, device_type type, const char *tag) : + slc1p_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), - m_leds(*this, "led%u", 0U) + m_digits(*this, "digit%u", 0U) { } - void sc1(machine_config &config); + void slc1p(machine_config &config); protected: virtual void machine_start() override; @@ -52,10 +49,9 @@ private: required_ioport_array<8> m_keypad; output_finder<4> m_digits; - output_finder<2> m_leds; - void sc1_io(address_map &map); - void sc1_mem(address_map &map); + void slc1p_io(address_map &map); + void slc1p_mem(address_map &map); uint8_t m_matrix; @@ -64,10 +60,9 @@ private: DECLARE_READ8_MEMBER(pio_port_b_r); }; -void sc1_state::machine_start() +void slc1p_state::machine_start() { m_digits.resolve(); - m_leds.resolve(); m_matrix = 0; save_item(NAME(m_matrix)); @@ -79,7 +74,7 @@ void sc1_state::machine_start() ***************************************************************************/ -WRITE8_MEMBER(sc1_state::pio_port_a_w) +WRITE8_MEMBER(slc1p_state::pio_port_a_w) { // digit segment data uint8_t digit = bitswap<8>(data,3,4,6,0,1,2,7,5) & 0x7f; @@ -101,7 +96,7 @@ WRITE8_MEMBER(sc1_state::pio_port_a_w) ***************************************************************************/ -WRITE8_MEMBER(sc1_state::matrix_w) +WRITE8_MEMBER(slc1p_state::matrix_w) { // d1: speaker out //m_dac->write(BIT(data, 1)); @@ -110,7 +105,7 @@ WRITE8_MEMBER(sc1_state::matrix_w) m_matrix = data; } -READ8_MEMBER(sc1_state::pio_port_b_r) +READ8_MEMBER(slc1p_state::pio_port_b_r) { uint8_t data = 0; @@ -123,75 +118,75 @@ READ8_MEMBER(sc1_state::pio_port_b_r) } -void sc1_state::sc1_mem(address_map &map) +void slc1p_state::slc1p_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x0fff).rom(); map(0x4000, 0x43ff).ram(); } -void sc1_state::sc1_io(address_map &map) +void slc1p_state::slc1p_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(sc1_state::matrix_w)); + map(0xfc, 0xfc).w(FUNC(slc1p_state::matrix_w)); } /* Input ports */ -static INPUT_PORTS_START( sc1 ) +static INPUT_PORTS_START( slc1p ) PORT_START("LINE1") PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_D) + 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") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_B) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_F) + 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") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_C) + 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") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CODE(KEYCODE_A) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CODE(KEYCODE_E) + 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("CE") PORT_CODE(KEYCODE_R) + 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_KEYPAD) PORT_NAME("K") PORT_CODE(KEYCODE_K) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) + 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_KEYPAD) PORT_NAME("P") PORT_CODE(KEYCODE_O) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("W/S") PORT_CODE(KEYCODE_W) + 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_KEYPAD) PORT_NAME("T") PORT_CODE(KEYCODE_T) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) + 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 sc1_state::sc1(machine_config &config) +void slc1p_state::slc1p(machine_config &config) { /* basic machine hardware */ - Z80(config, m_maincpu, 9.8304_MHz_XTAL/4); // U880 Z80 clone - m_maincpu->set_addrmap(AS_PROGRAM, &sc1_state::sc1_mem); - m_maincpu->set_addrmap(AS_IO, &sc1_state::sc1_io); + Z80(config, m_maincpu, 2500000); // U880 Z80 clone + m_maincpu->set_addrmap(AS_PROGRAM, &slc1p_state::slc1p_mem); + m_maincpu->set_addrmap(AS_IO, &slc1p_state::slc1p_io); /* video hardware */ config.set_default_layout(layout_sc1); /* devices */ - Z80PIO(config, m_pio, 9.8304_MHz_XTAL/4); - m_pio->out_pa_callback().set(FUNC(sc1_state::pio_port_a_w)); - m_pio->in_pb_callback().set(FUNC(sc1_state::pio_port_b_r)); + Z80PIO(config, m_pio, 2500000); + m_pio->out_pa_callback().set(FUNC(slc1p_state::pio_port_a_w)); + m_pio->in_pb_callback().set(FUNC(slc1p_state::pio_port_b_r)); /* sound hardware */ SPEAKER(config, "speaker").front_center(); @@ -202,7 +197,7 @@ void sc1_state::sc1(machine_config &config) /* ROM definition */ -ROM_START( sc1 ) +ROM_START( slc1p ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "sc1.rom", 0x0000, 0x1000, CRC(26965b23) SHA1(01568911446eda9f05ec136df53da147b7c6f2bf)) ROM_END @@ -212,5 +207,5 @@ ROM_END /* Driver */ -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1981, sc1, 0, 0, sc1, sc1, sc1_state, empty_init, "VEB Mikroelektronik Erfurt", "Schachcomputer SC 1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) +// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS +COMP( 1989, slc1p, slc1, 0, slc1p, slc1p, slc1p_state, empty_init, "Dr. Dieter Scheuschner", "Schach- und Lerncomputer SLC 1 (prototype?)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) diff --git a/src/mame/drivers/sc2.cpp b/src/mame/drivers/sc2.cpp index 137970be7b4..ea55d639caf 100644 --- a/src/mame/drivers/sc2.cpp +++ b/src/mame/drivers/sc2.cpp @@ -9,6 +9,9 @@ Fidelity Chess Challenger 10. 3 versions known: initial version, revision E, revision EP. +Schachcomputer SC 1 was canceled before wide release, it's assumed to +be on similar hardware(but PCB photos show 10 ROM chips instead of 9). + keypad legend: R - Rückstellen (reset) diff --git a/src/mame/drivers/slc1.cpp b/src/mame/drivers/slc1.cpp index 235bc858446..0452099827d 100644 --- a/src/mame/drivers/slc1.cpp +++ b/src/mame/drivers/slc1.cpp @@ -299,4 +299,4 @@ ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ -COMP( 1989, slc1, 0, 0, slc1, slc1, slc1_state, empty_init, "Dr. Dieter Scheuschner", "SLC-1" , 0 ) +COMP( 1989, slc1, 0, 0, slc1, slc1, slc1_state, empty_init, "Dr. Dieter Scheuschner", "Schach- und Lerncomputer SLC 1", 0 ) diff --git a/src/mame/layout/sc1.lay b/src/mame/layout/sc1.lay index e87ed0fd85d..6086c8ac714 100644 --- a/src/mame/layout/sc1.lay +++ b/src/mame/layout/sc1.lay @@ -3,38 +3,18 @@ - - - + - - - - - - - - - + + + + - - - - - - - - - - - - - diff --git a/src/mame/mame.lst b/src/mame/mame.lst index 46483091472..56066458f26 100644 --- a/src/mame/mame.lst +++ b/src/mame/mame.lst @@ -34118,7 +34118,7 @@ sbugger // (c) 1981 Game-A-Tron sbuggera // (c) 1981 Game-A-Tron @source:sc1.cpp -sc1 // +slc1p @source:sc2.cpp sc2 //