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Diffstat (limited to 'src/mame/drivers/junior.cpp')
-rw-r--r-- | src/mame/drivers/junior.cpp | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/src/mame/drivers/junior.cpp b/src/mame/drivers/junior.cpp deleted file mode 100644 index fc161fa3611..00000000000 --- a/src/mame/drivers/junior.cpp +++ /dev/null @@ -1,268 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -// thanks-to:Manfred Schneider -/*************************************************************************** - - Elektor Junior - - 17/07/2009 Skeleton driver. - -This is heavily based on the KIM-1, the keycodes and operation being -identical. - -Pasting: - 0-F : as is - + (inc) : ^ - AD : - - DA : = - GO : X - -(note: DA only works when addressing RAM) - -Test Paste: - =11^22^33^44^55^66^77^88^99^-0000 - Now press up-arrow to confirm the data has been entered. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/m6502/m6502.h" -#include "machine/mos6530n.h" -#include "machine/timer.h" -#include "junior.lh" - - -class junior_state : public driver_device -{ -public: - junior_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_riot(*this, "riot") - , m_maincpu(*this, "maincpu") - , m_line(*this, "LINE%u", 0U) - , m_digit(*this, "digit%u", 0U) - { - } - - DECLARE_INPUT_CHANGED_MEMBER(junior_reset); - void junior(machine_config &config); - -private: - DECLARE_READ8_MEMBER(junior_riot_a_r); - DECLARE_READ8_MEMBER(junior_riot_b_r); - DECLARE_WRITE8_MEMBER(junior_riot_a_w); - DECLARE_WRITE8_MEMBER(junior_riot_b_w); - - virtual void machine_start() override; - virtual void machine_reset() override; - TIMER_DEVICE_CALLBACK_MEMBER(junior_update_leds); - - void junior_mem(address_map &map); - - required_device<mos6532_new_device> m_riot; - uint8_t m_port_a; - uint8_t m_port_b; - uint8_t m_led_time[6]; - required_device<cpu_device> m_maincpu; - required_ioport_array<4> m_line; - output_finder<6> m_digit; -}; - - - - -void junior_state::junior_mem(address_map &map) -{ - map.global_mask(0x1FFF); - map.unmap_value_high(); - map(0x0000, 0x03ff).ram(); // 1K RAM - map(0x1a00, 0x1a7f).m(m_riot, FUNC(mos6532_new_device::ram_map)); - map(0x1a80, 0x1a9f).m(m_riot, FUNC(mos6532_new_device::io_map)); - map(0x1c00, 0x1fff).rom(); // Monitor -} - - -INPUT_CHANGED_MEMBER(junior_state::junior_reset) -{ - if (newval == 0) - m_maincpu->reset(); -} - - -/* Input ports */ -static INPUT_PORTS_START( junior ) -PORT_START("LINE0") /* IN0 keys row 0 */ - PORT_BIT( 0x80, 0x00, IPT_UNUSED ) - PORT_BIT( 0x40, 0x40, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0x20, 0x20, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT( 0x10, 0x10, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT( 0x08, 0x08, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT( 0x04, 0x04, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT( 0x02, 0x02, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT( 0x01, 0x01, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') - - PORT_START("LINE1") /* IN1 keys row 1 */ - PORT_BIT( 0x80, 0x00, IPT_UNUSED ) - PORT_BIT( 0x40, 0x40, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') - PORT_BIT( 0x20, 0x20, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT( 0x10, 0x10, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT( 0x08, 0x08, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT( 0x04, 0x04, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT( 0x02, 0x02, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT( 0x01, 0x01, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') - - PORT_START("LINE2") /* IN2 keys row 2 */ - PORT_BIT( 0x80, 0x00, IPT_UNUSED ) - PORT_BIT( 0x40, 0x40, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT( 0x20, 0x20, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT( 0x10, 0x10, IPT_KEYBOARD ) PORT_NAME("AD") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - PORT_BIT( 0x08, 0x08, IPT_KEYBOARD ) PORT_NAME("DA") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') - PORT_BIT( 0x04, 0x04, IPT_KEYBOARD ) PORT_NAME("+") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') - PORT_BIT( 0x02, 0x02, IPT_KEYBOARD ) PORT_NAME("GO") PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT( 0x01, 0x01, IPT_KEYBOARD ) PORT_NAME("PC") PORT_CODE(KEYCODE_F6) - - PORT_START("LINE3") /* IN3 STEP and RESET keys, MODE switch */ - PORT_BIT( 0x80, 0x00, IPT_UNUSED ) - PORT_BIT( 0x40, 0x40, IPT_KEYBOARD ) PORT_NAME("sw1: ST") PORT_CODE(KEYCODE_F7) - PORT_BIT( 0x20, 0x20, IPT_KEYBOARD ) PORT_NAME("sw2: RST") PORT_CODE(KEYCODE_F3) PORT_CHANGED_MEMBER(DEVICE_SELF, junior_state, junior_reset, 0) - PORT_DIPNAME(0x10, 0x10, "sw3: SS (NumLock)") PORT_CODE(KEYCODE_NUMLOCK) PORT_TOGGLE - PORT_DIPSETTING( 0x00, "single step") - PORT_DIPSETTING( 0x10, "run") - PORT_BIT( 0x08, 0x00, IPT_UNUSED ) - PORT_BIT( 0x04, 0x00, IPT_UNUSED ) - PORT_BIT( 0x02, 0x00, IPT_UNUSED ) - PORT_BIT( 0x01, 0x00, IPT_UNUSED ) -INPUT_PORTS_END - - - -READ8_MEMBER( junior_state::junior_riot_a_r ) -{ - uint8_t data = 0xff; - - uint8_t const sel = ( m_port_b >> 1) & 0x0f; - switch ( sel ) - { - case 0: - case 1: - case 2: - data = m_line[sel]->read(); - break; - } - return data; - -} - - -READ8_MEMBER( junior_state::junior_riot_b_r ) -{ - if ( m_port_b & 0x20 ) - return 0xFF; - - return 0x7F; - -} - - -WRITE8_MEMBER( junior_state::junior_riot_a_w ) -{ - uint8_t idx = ( m_port_b >> 1 ) & 0x0f; - - m_port_a = data; - - if ((idx >= 4 && idx < 10) & ( m_port_a != 0xff )) - { - m_digit[idx - 4] = m_port_a ^ 0x7f; - m_led_time[idx - 4] = 10; - } -} - - -WRITE8_MEMBER( junior_state::junior_riot_b_w ) -{ - uint8_t idx = ( data >> 1 ) & 0x0f; - - m_port_b = data; - - if ((idx >= 4 && idx < 10) & ( m_port_a != 0xff )) - { - m_digit[idx - 4] = m_port_a ^ 0x7f; - m_led_time[idx - 4] = 10; - } -} - - -TIMER_DEVICE_CALLBACK_MEMBER(junior_state::junior_update_leds) -{ - int i; - - for ( i = 0; i < 6; i++ ) - { - if ( m_led_time[i] ) - m_led_time[i]--; - else - m_digit[i] = 0; - } -} - - -void junior_state::machine_start() -{ - m_digit.resolve(); - - save_item(NAME(m_port_a)); - save_item(NAME(m_port_b)); - save_item(NAME(m_led_time)); -} - - -void junior_state::machine_reset() -{ - int i; - - for ( i = 0; i < 6; i++ ) - m_led_time[i] = 0; -} - - -void junior_state::junior(machine_config &config) -{ - /* basic machine hardware */ - M6502(config, m_maincpu, 1_MHz_XTAL); - m_maincpu->set_addrmap(AS_PROGRAM, &junior_state::junior_mem); - config.set_maximum_quantum(attotime::from_hz(50)); - - /* video hardware */ - config.set_default_layout(layout_junior); - - /* Devices */ - MOS6532_NEW(config, m_riot, 1_MHz_XTAL); - m_riot->pa_rd_callback().set(FUNC(junior_state::junior_riot_a_r)); - m_riot->pa_wr_callback().set(FUNC(junior_state::junior_riot_a_w)); - m_riot->pb_rd_callback().set(FUNC(junior_state::junior_riot_b_r)); - m_riot->pb_wr_callback().set(FUNC(junior_state::junior_riot_b_w)); - m_riot->irq_wr_callback().set_inputline(m_maincpu, M6502_IRQ_LINE); - - TIMER(config, "led_timer").configure_periodic(FUNC(junior_state::junior_update_leds), attotime::from_hz(50)); -} - - -/* ROM definition */ -ROM_START( junior ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_DEFAULT_BIOS("orig") - - ROM_SYSTEM_BIOS( 0, "orig", "Original ESS503" ) - ROMX_LOAD( "ess503.ic2", 0x1c00, 0x0400, CRC(9e804f8c) SHA1(181bdb69fb4711cb008e7966747d4775a5e3ef69), ROM_BIOS(0)) - - ROM_SYSTEM_BIOS( 1, "mod-orig", "Mod-Original (2708)" ) - ROMX_LOAD( "junior-mod.ic2", 0x1c00, 0x0400, CRC(ee8aa69d) SHA1(a132a51603f1a841c354815e6d868b335ac84364), ROM_BIOS(1)) - - ROM_SYSTEM_BIOS( 2, "2732", "Just monitor (2732)" ) - ROMX_LOAD( "junior27321a.ic2", 0x1c00, 0x0400, CRC(e22f24cc) SHA1(a6edb52a9eea5e99624c128065e748e5a3fb2e4c), ROM_BIOS(2)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1980, junior, 0, 0, junior, junior, junior_state, empty_init, "Elektor Electronics", "Junior Computer", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW) |