// license:MAME // copyright-holders:Miodrag Milanovic, Robbbert /*************************************************************************** Elektor SC/MP 22/11/2009 Skeleton driver. 10/MAY/2012 Added keyboard [Robbbert] To Use: - Press MINUS to enter data input mode - Press UP or DOWN to cycle through addresses At the moment Paste cannot be tested, but if it worked, you could paste this in: -0F0011^22^33^44^55^66^77^88^99^ It seems the only way to exit each mode is to do a Soft Reset. ToDo: - Add Cassette - Verify that ROMS are good (they seem to be) ****************************************************************************/ #include "emu.h" #include "cpu/scmp/scmp.h" #include "elekscmp.lh" class elekscmp_state : public driver_device { public: elekscmp_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_x0(*this, "X0"), m_x1(*this, "X1"), m_x2(*this, "X2"), m_x3(*this, "X3") { } DECLARE_READ8_MEMBER(keyboard_r); DECLARE_WRITE8_MEMBER(hex_display_w); UINT8 convert_key(UINT8 data); protected: required_device m_maincpu; required_ioport m_x0; required_ioport m_x1; required_ioport m_x2; required_ioport m_x3; }; WRITE8_MEMBER(elekscmp_state::hex_display_w) { output_set_digit_value(offset, data); } UINT8 elekscmp_state::convert_key(UINT8 data) { UINT8 i; for (i = 0; i < 8; i++) if (BIT(data, i)) return i; return 0xff; } READ8_MEMBER(elekscmp_state::keyboard_r) { UINT8 data; data = m_x0->read(); if (data) return 0x80 | convert_key(data); data = m_x1->read(); if (data) return 0x88 | convert_key(data); data = m_x2->read(); if (data) return 0x80 | (convert_key(data) << 4); data = m_x3->read(); if (data) m_maincpu->reset(); return 0; } static ADDRESS_MAP_START(elekscmp_mem, AS_PROGRAM, 8, elekscmp_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0x0fff) AM_RANGE(0x000, 0x5ff) AM_ROM // ROM AM_RANGE(0x700, 0x707) AM_WRITE(hex_display_w) AM_RANGE(0x708, 0x70f) AM_READ(keyboard_r) AM_RANGE(0x800, 0xfff) AM_RAM // RAM - up to 2K of RAM ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( elekscmp ) PORT_START("X0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_START("X1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_START("X2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CPU Reg") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Block Transfer") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Cassette") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Subtract") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Modify") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Run") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('X') PORT_START("X3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RST") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_BIT(0xfe, IP_ACTIVE_HIGH, IPT_UNUSED) INPUT_PORTS_END static MACHINE_CONFIG_START( elekscmp, elekscmp_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",INS8060, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(elekscmp_mem) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_elekscmp) MACHINE_CONFIG_END /* ROM definition */ ROM_START( elekscmp ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) // Too many possible errors, few found and fixed, but not sure if there are more ROM_LOAD( "elbug.001", 0x0000, 0x0200, BAD_DUMP CRC(f733da28) SHA1(b65d98be03eab80478167964beec26bb327bfdf3)) ROM_LOAD( "elbug.002", 0x0200, 0x0200, BAD_DUMP CRC(529c0b88) SHA1(bd72dd890cd974e1744ca70aa3457657374cbf76)) ROM_LOAD( "elbug.003", 0x0400, 0x0200, BAD_DUMP CRC(13585ad1) SHA1(93f722b3e84095a1b701b04bf9018c891933b9ff)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1977, elekscmp, 0, 0, elekscmp, elekscmp, driver_device, 0, "Elektor Electronics", "Elektor SC/MP", GAME_NO_SOUND_HW)