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Diffstat (limited to 'src/mame/drivers/savia84.cpp')
-rw-r--r--src/mame/drivers/savia84.cpp207
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diff --git a/src/mame/drivers/savia84.cpp b/src/mame/drivers/savia84.cpp
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--- a/src/mame/drivers/savia84.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- Savia 84
-
- More data at :
- http://www.nostalcomp.cz/pdfka/savia84.pdf
- http://www.nostalcomp.cz/savia.php
- (use archive.org)
-
- 05/02/2011 Skeleton driver.
- 11/10/2011 Found a new rom. Working [Robbbert]
-
- I assume all the LEDs are red ones. The LEDs down the
- left side I assume to be bit 0 through 7 in that order.
-
- Pasting:
- 0-F : as is
- DA : ^
- AD : -
- GO : X
-
- Here is a test program. Copy the text and Paste into the emulator.
- -1800^3E^55^D3^F9^76^XX1800^
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "machine/i8255.h"
-#include "video/pwm.h"
-#include "savia84.lh"
-
-
-class savia84_state : public driver_device
-{
-public:
- savia84_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_ppi8255(*this, "ppi8255")
- , m_display(*this, "display")
- , m_io_keyboard(*this, "X%u", 0U)
- , m_leds(*this, "led%u", 0U)
- { }
-
- void savia84(machine_config &config);
-
-protected:
- virtual void machine_start() override;
-
-private:
- uint8_t ppi_portc_r();
- void ppi_porta_w(uint8_t data);
- void ppi_portb_w(uint8_t data);
- void ppi_portc_w(uint8_t data);
-
- void io_map(address_map &map);
- void mem_map(address_map &map);
-
- uint8_t m_digit;
- uint8_t m_seg;
-
- required_device<cpu_device> m_maincpu;
- required_device<i8255_device> m_ppi8255;
- required_device<pwm_display_device> m_display;
- required_ioport_array<9> m_io_keyboard;
- output_finder<8> m_leds;
-};
-
-void savia84_state::mem_map(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x7fff); // A15 not connected at the CPU
- map(0x0000, 0x07ff).rom();
- map(0x1800, 0x1fff).ram();
-}
-
-void savia84_state::io_map(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x07);
- map(0x00, 0x03).rw(m_ppi8255, FUNC(i8255_device::read), FUNC(i8255_device::write)); // ports F8-FB
-}
-
-/* Input ports */
-static INPUT_PORTS_START( savia84 )
- PORT_START("X0")
- PORT_BIT( 0x9F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
-
- PORT_START("X1")
- PORT_BIT( 0x8F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
-
- PORT_START("X2")
- PORT_BIT( 0x8F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
-
- PORT_START("X3")
- PORT_BIT( 0x9F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Ex") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
-
- PORT_START("X4")
- PORT_BIT( 0x8F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BR") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
-
- PORT_START("X5")
- PORT_BIT( 0x8F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("AD") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
-
- PORT_START("X6")
- PORT_BIT( 0x9F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
-
- PORT_START("X7")
- PORT_BIT( 0x9F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
-
- PORT_START("X8")
- PORT_BIT( 0x8F, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DA") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
-INPUT_PORTS_END
-
-
-void savia84_state::ppi_porta_w(uint8_t data) // OUT F8 - output segments on the selected digit
-{
- m_seg = ~data;
- m_display->matrix(1 << m_digit, m_seg);
-}
-
-void savia84_state::ppi_portb_w(uint8_t data) // OUT F9 - light the 8 leds down the left side
-{
- for (int i = 0; i < 8; i++)
- m_leds[i] = !BIT(data, i);
-}
-
-void savia84_state::ppi_portc_w(uint8_t data) // OUT FA - set keyboard scanning row; set digit to display
-{
- m_digit = data & 15;
- m_display->matrix(1 << m_digit, m_seg);
-}
-
-uint8_t savia84_state::ppi_portc_r() // IN FA - read keyboard
-{
- if (m_digit < 9)
- return m_io_keyboard[m_digit]->read();
- else
- return 0xff;
-}
-
-void savia84_state::machine_start()
-{
- m_leds.resolve();
-
- save_item(NAME(m_digit));
- save_item(NAME(m_seg));
-}
-
-void savia84_state::savia84(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, XTAL(4'000'000) / 2);
- m_maincpu->set_addrmap(AS_PROGRAM, &savia84_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &savia84_state::io_map);
-
- /* video hardware */
- config.set_default_layout(layout_savia84);
- PWM_DISPLAY(config, m_display).set_size(9, 7);
- m_display->set_segmask(0x1fd, 0x7f);
-
- /* Devices */
- I8255(config, m_ppi8255);
- m_ppi8255->out_pa_callback().set(FUNC(savia84_state::ppi_porta_w));
- m_ppi8255->out_pb_callback().set(FUNC(savia84_state::ppi_portb_w));
- m_ppi8255->in_pc_callback().set(FUNC(savia84_state::ppi_portc_r));
- m_ppi8255->out_pc_callback().set(FUNC(savia84_state::ppi_portc_w));
-}
-
-/* ROM definition */
-ROM_START( savia84 )
- ROM_REGION( 0x0800, "maincpu", 0 )
- ROM_LOAD("savia84.bin", 0x0000, 0x0800, CRC(fa8f1fcf) SHA1(b08404469ed988d96c0413416b6a66f3e5b997a3))
-
- // Note - the below is a bad dump and does not work
- //ROM_LOAD("savia84_1kb.bin", 0x0000, 0x0400, CRC(23a5c15e) SHA1(7e769ed8960d8c591a25cfe4effffcca3077c94b))
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1984, savia84, 0, 0, savia84, savia84, savia84_state, empty_init, "J.T. Hyan", "Savia 84", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE )