// license:BSD-3-Clause // copyright-holders:Sandro Ronco, Robbbert /*************************************************************************** Protec Pro-80 06/12/2009 Skeleton driver. TODO: - Cassette load/save - Use messram for optional ram - Fix Step command (don't works due of missing interrupt emulation) The unit has a PIO, ports 40-43, but it was for expansion only. The cassette used 2 bits for input, plus a D flipflop and a 74LS221 oneshot. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "sound/wave.h" #include "pro80.lh" class pro80_state : public driver_device { public: pro80_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_cass(*this, "cassette") { } required_device m_maincpu; required_device m_cass; void machine_reset() override; DECLARE_WRITE8_MEMBER( digit_w ); DECLARE_WRITE8_MEMBER( segment_w ); DECLARE_READ8_MEMBER( kp_r ); UINT8 m_digit_sel; }; WRITE8_MEMBER( pro80_state::digit_w ) { // --xx xxxx digit select // -x-- ---- cassette out // x--- ---- ??? m_digit_sel = data & 0x3f; } WRITE8_MEMBER( pro80_state::segment_w ) { if (m_digit_sel) { if (!BIT(m_digit_sel, 0)) output().set_digit_value(0, data); if (!BIT(m_digit_sel, 1)) output().set_digit_value(1, data); if (!BIT(m_digit_sel, 2)) output().set_digit_value(2, data); if (!BIT(m_digit_sel, 3)) output().set_digit_value(3, data); if (!BIT(m_digit_sel, 4)) output().set_digit_value(4, data); if (!BIT(m_digit_sel, 5)) output().set_digit_value(5, data); m_cass->output( BIT(data, 6) ? -1.0 : +1.0); m_digit_sel = 0; } } READ8_MEMBER( pro80_state::kp_r ) { UINT8 data = 0x0f; if (!BIT(m_digit_sel, 0)) data &= ioport("LINE0")->read(); if (!BIT(m_digit_sel, 1)) data &= ioport("LINE1")->read(); if (!BIT(m_digit_sel, 2)) data &= ioport("LINE2")->read(); if (!BIT(m_digit_sel, 3)) data &= ioport("LINE3")->read(); if (!BIT(m_digit_sel, 4)) data &= ioport("LINE4")->read(); if (!BIT(m_digit_sel, 5)) data &= ioport("LINE5")->read(); // cassette-in bits go here - bit 4 = sync bit, bit 5 = data bit return data; } static ADDRESS_MAP_START( pro80_mem, AS_PROGRAM, 8, pro80_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x03ff) AM_ROM AM_RANGE(0x1000, 0x13ff) AM_RAM AM_RANGE(0x1400, 0x17ff) AM_RAM // 2nd RAM is optional ADDRESS_MAP_END static ADDRESS_MAP_START( pro80_io, AS_IO, 8, pro80_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) //AM_RANGE(0x40, 0x43) Z80PIO AM_RANGE(0x44, 0x47) AM_READ(kp_r) AM_RANGE(0x48, 0x4b) AM_WRITE(digit_w) AM_RANGE(0x4c, 0x4f) AM_WRITE(segment_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( pro80 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("CR") PORT_CODE(KEYCODE_L) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("CW") PORT_CODE(KEYCODE_W) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("SSt") PORT_CODE(KEYCODE_S) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Res") PORT_CODE(KEYCODE_EQUALS) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("EXE") PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("NEx") PORT_CODE(KEYCODE_N) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("REx") PORT_CODE(KEYCODE_R) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("MEx") PORT_CODE(KEYCODE_M) PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("7 [IY]") PORT_CODE(KEYCODE_7) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("6 [IX]") PORT_CODE(KEYCODE_6) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("5 [PC]") PORT_CODE(KEYCODE_5) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("9 [H]") PORT_CODE(KEYCODE_9) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("4 [SP]") PORT_CODE(KEYCODE_4) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("8 [L]") PORT_CODE(KEYCODE_8) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("C") PORT_CODE(KEYCODE_C) INPUT_PORTS_END void pro80_state::machine_reset() { m_digit_sel = 0; } static MACHINE_CONFIG_START( pro80, pro80_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(pro80_mem) MCFG_CPU_IO_MAP(pro80_io) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_pro80) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) /* Devices */ MCFG_CASSETTE_ADD( "cassette" ) MACHINE_CONFIG_END /* ROM definition */ ROM_START( pro80 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) // This rom dump is taken out of manual for this machine ROM_LOAD( "pro80.bin", 0x0000, 0x0400, CRC(1bf6e0a5) SHA1(eb45816337e08ed8c30b589fc24960dc98b94db2)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1981, pro80, 0, 0, pro80, pro80, driver_device, 0, "Protec", "Pro-80", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)