// license:BSD-3-Clause // copyright-holders:F. Ulivi // // *************************************** // Driver for HP 64000 development system // *************************************** // // Documentation used for this driver: // [1] HP, manual 64100-90910, dec 83 rev. - Model 64100A mainframe service manual // // TODO: // - Slot selection mechanism & low 32KW RAM // - Periodic interrupt // - Beeper // - Various DIP switches // - Floppy I/F // - RS232 I/F #include "emu.h" #include "cpu/hphybrid/hphybrid.h" #include "video/i8275.h" #define BIT_MASK(n) (1U << (n)) // Macros to clear/set single bits #define BIT_CLR(w , n) ((w) &= ~BIT_MASK(n)) #define BIT_SET(w , n) ((w) |= BIT_MASK(n)) class hp64k_state : public driver_device { public: hp64k_state(const machine_config &mconfig, device_type type, const char *tag); //virtual void driver_start(); //virtual void machine_start(); virtual void video_start(); virtual void machine_reset(); UINT8 hp64k_crtc_filter(UINT8 data); DECLARE_WRITE16_MEMBER(hp64k_crtc_w); DECLARE_WRITE_LINE_MEMBER(hp64k_crtc_drq_w); DECLARE_WRITE_LINE_MEMBER(hp64k_crtc_vrtc_w); I8275_DRAW_CHARACTER_MEMBER(crtc_display_pixels); DECLARE_READ16_MEMBER(hp64k_rear_sw_r); IRQ_CALLBACK_MEMBER(hp64k_irq_callback); void hp64k_update_irl(void); DECLARE_WRITE16_MEMBER(hp64k_irl_mask_w); TIMER_DEVICE_CALLBACK_MEMBER(hp64k_kb_scan); DECLARE_READ16_MEMBER(hp64k_kb_r); private: required_device m_cpu; required_device m_crtc; required_device m_palette; required_ioport m_io_key0; required_ioport m_io_key1; required_ioport m_io_key2; required_ioport m_io_key3; // Character generator const UINT8 *m_chargen; UINT32 m_crtc_ptr; bool m_crtc_drq; bool m_vrtc; // Interrupt handling UINT8 m_irl_mask; UINT8 m_irl_pending; // State of keyboard ioport_value m_kb_state[ 4 ]; UINT8 m_kb_row_col; bool m_kb_scan_on; bool m_kb_pressed; }; static ADDRESS_MAP_START(cpu_mem_map , AS_PROGRAM , 16 , hp64k_state) AM_RANGE(0x0000 , 0x3fff) AM_ROM AM_RANGE(0x8000 , 0x8001) AM_WRITE(hp64k_crtc_w) AM_RANGE(0x8002 , 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(cpu_io_map , AS_IO , 16 , hp64k_state) // PA = 0, IC = [0..3] // Keyboard input AM_RANGE(HP_MAKE_IOADDR(0 , 0) , HP_MAKE_IOADDR(0 , 3)) AM_READ(hp64k_kb_r) // PA = 7, IC = 2 // Rear-panel switches AM_RANGE(HP_MAKE_IOADDR(7 , 2) , HP_MAKE_IOADDR(7 , 2)) AM_READ(hp64k_rear_sw_r) // PA = 12, IC = [0..3] // Interrupt mask AM_RANGE(HP_MAKE_IOADDR(12 , 0) , HP_MAKE_IOADDR(12 , 3)) AM_WRITE(hp64k_irl_mask_w) ADDRESS_MAP_END hp64k_state::hp64k_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig , type , tag), m_cpu(*this , "cpu"), m_crtc(*this , "crtc"), m_palette(*this , "palette"), m_io_key0(*this , "KEY0"), m_io_key1(*this , "KEY1"), m_io_key2(*this , "KEY2"), m_io_key3(*this , "KEY3") { } void hp64k_state::video_start() { m_chargen = memregion("chargen")->base(); } void hp64k_state::machine_reset() { m_crtc_drq = false; m_vrtc = false; m_crtc_ptr = 0; m_irl_mask = 0; m_irl_pending = 0; memset(&m_kb_state[ 0 ] , 0 , sizeof(m_kb_state)); m_kb_row_col = 0; m_kb_scan_on = true; } UINT8 hp64k_state::hp64k_crtc_filter(UINT8 data) { bool inv = (data & 0xe0) == 0xe0; return inv ? (data & 0xf2) : data; } WRITE16_MEMBER(hp64k_state::hp64k_crtc_w) { m_crtc->write(space , offset == 0 , hp64k_crtc_filter((UINT8)data)); } WRITE_LINE_MEMBER(hp64k_state::hp64k_crtc_drq_w) { bool crtc_drq = state != 0; bool prev_crtc = m_crtc_drq; m_crtc_drq = crtc_drq; if (!prev_crtc && crtc_drq) { address_space& prog_space = m_cpu->space(AS_PROGRAM); UINT8 data = prog_space.read_byte(m_crtc_ptr); m_crtc_ptr++; m_crtc->dack_w(prog_space , 0 , hp64k_crtc_filter(data)); } } WRITE_LINE_MEMBER(hp64k_state::hp64k_crtc_vrtc_w) { bool vrtc = state != 0; if (!m_vrtc && vrtc) { m_crtc_ptr = 0xf9f0 << 1; } m_vrtc = vrtc; } I8275_DRAW_CHARACTER_MEMBER(hp64k_state::crtc_display_pixels) { const rgb_t *palette = m_palette->palette()->entry_list_raw(); UINT8 chargen_byte = m_chargen[ linecount | ((unsigned)charcode << 4) ]; bool lvid , livid; UINT16 pixels_lvid , pixels_livid; unsigned i; if (vsp) { pixels_lvid = pixels_livid = ~0; } else if (lten) { pixels_livid = ~0; if (rvv) { pixels_lvid = ~0; } else { pixels_lvid = 0; } } else if (rvv) { pixels_lvid = ~0; pixels_livid = (UINT16)chargen_byte << 1; } else { pixels_lvid = ~((UINT16)chargen_byte << 1); pixels_livid = ~0; } for (i = 0; i < 9; i++) { lvid = (pixels_lvid & (1U << (8 - i))) != 0; livid = (pixels_livid & (1U << (8 - i))) != 0; if (!lvid) { // Normal brightness bitmap.pix32(y , x + i) = palette[ 2 ]; } else if (livid) { // Black bitmap.pix32(y , x + i) = palette[ 0 ]; } else { // Half brightness bitmap.pix32(y , x + i) = palette[ 1 ]; } } } READ16_MEMBER(hp64k_state::hp64k_rear_sw_r) { // TEST return ~0; } IRQ_CALLBACK_MEMBER(hp64k_state::hp64k_irq_callback) { if (irqline == HPHYBRID_IRL) { return 0xff00 | (m_irl_mask & m_irl_pending); } else { return ~0; } } void hp64k_state::hp64k_update_irl(void) { m_cpu->set_input_line(HPHYBRID_IRL , (m_irl_mask & m_irl_pending) != 0); } WRITE16_MEMBER(hp64k_state::hp64k_irl_mask_w) { m_irl_mask = (UINT8)data; hp64k_update_irl(); } TIMER_DEVICE_CALLBACK_MEMBER(hp64k_state::hp64k_kb_scan) { if (m_kb_scan_on) { unsigned i; ioport_value input[ 4 ]; input[ 0 ] = m_io_key0->read(); input[ 1 ] = m_io_key1->read(); input[ 2 ] = m_io_key2->read(); input[ 3 ] = m_io_key3->read(); for (i = 0; i < 128; i++) { if (++m_kb_row_col >= 128) { m_kb_row_col = 0; } ioport_value mask = BIT_MASK(m_kb_row_col & 0x1f); unsigned idx = m_kb_row_col >> 5; if ((input[ idx ] ^ m_kb_state[ idx ]) & mask) { // key changed state m_kb_state[ idx ] ^= mask; m_kb_pressed = (m_kb_state[ idx ] & mask) != 0; m_kb_scan_on = false; BIT_SET(m_irl_pending , 0); hp64k_update_irl(); break; } } } } READ16_MEMBER(hp64k_state::hp64k_kb_r) { UINT16 ret = 0xff00 | m_kb_row_col; if (m_kb_pressed) { BIT_SET(ret , 7); } m_kb_scan_on = true; BIT_CLR(m_irl_pending , 0); hp64k_update_irl(); return ret; } static INPUT_PORTS_START(hp64k) // Keyboard is arranged in a 8 x 16 matrix. Of the 128 possible positions, only 77 are used. // For key arrangement on the matrix, see [1] pg 334 // Keys are mapped on bit b of KEYn // where b = (row & 1) << 4 + column, n = row >> 1 // column = [0..15] // row = [0..7] PORT_START("KEY0") PORT_BIT(BIT_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT(BIT_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(BIT_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(BIT_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(BIT_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(BIT_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(BIT_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(BIT_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(BIT_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(BIT_MASK(9) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(10) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(11) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(12) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(13) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(14) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(15) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') PORT_BIT(BIT_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(BIT_MASK(18) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(19) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(20) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(21) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT(BIT_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(BIT_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(BIT_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(BIT_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_BIT(BIT_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~') PORT_BIT(BIT_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT(BIT_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(BIT_MASK(30) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(31) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_START("KEY1") PORT_BIT(BIT_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(BIT_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_BIT(BIT_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(BIT_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(BIT_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(BIT_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(BIT_MASK(6) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(7) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(8) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(9) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(10) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(11) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_NAME("RECALL") PORT_BIT(BIT_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_NAME("CLRLINE") PORT_BIT(BIT_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_NAME("CAPS") PORT_BIT(BIT_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_NAME("RESET") PORT_BIT(BIT_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_NAME("SK1") PORT_BIT(BIT_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_NAME("SK2") PORT_BIT(BIT_MASK(18) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_NAME("SK3") PORT_BIT(BIT_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_NAME("SK4") PORT_BIT(BIT_MASK(21) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(22) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_NAME("SK5") PORT_BIT(BIT_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_NAME("SK6") PORT_BIT(BIT_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_NAME("SK7") PORT_BIT(BIT_MASK(26) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_NAME("SK8") PORT_BIT(BIT_MASK(28) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(29) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(30) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(31) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_START("KEY2") PORT_BIT(BIT_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(BIT_MASK(1) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(BIT_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(BIT_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(BIT_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT(BIT_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(BIT_MASK(7) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(8) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT(BIT_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(BIT_MASK(11) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(12) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(13) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME("INSCHAR") PORT_BIT(BIT_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME("DELCHAR") PORT_BIT(BIT_MASK(16) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(17) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(BIT_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(BIT_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(BIT_MASK(21) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(22) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(BIT_MASK(24) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(25) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`') PORT_BIT(BIT_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_BIT(BIT_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('_') PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(BIT_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_NAME("ROLLUP") PORT_BIT(BIT_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(BIT_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("NEXTPG") PORT_START("KEY3") PORT_BIT(BIT_MASK(0) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(1) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(2) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(3) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(4) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(BIT_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(BIT_MASK(7) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(BIT_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(BIT_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(BIT_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(BIT_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(BIT_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(BIT_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(BIT_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(BIT_MASK(16) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(17) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(18) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(19) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(20) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(21) , IP_ACTIVE_HIGH , IPT_UNUSED) PORT_BIT(BIT_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(BIT_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(BIT_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(BIT_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(BIT_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(BIT_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(BIT_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(BIT_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_NAME("ROLLDN") PORT_BIT(BIT_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(BIT_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_NAME("PREVPG") INPUT_PORTS_END static MACHINE_CONFIG_START(hp64k , hp64k_state) MCFG_CPU_ADD("cpu" , HP_5061_3011 , 6250000) MCFG_CPU_PROGRAM_MAP(cpu_mem_map) MCFG_CPU_IO_MAP(cpu_io_map) MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(hp64k_state , hp64k_irq_callback) MCFG_QUANTUM_TIME(attotime::from_hz(100)) // Actual keyboard refresh rate should be between 1 and 2 kHz MCFG_TIMER_DRIVER_ADD_PERIODIC("kb_timer" , hp64k_state , hp64k_kb_scan , attotime::from_hz(100)) // Clock = 25 MHz / 9 * (112/114) MCFG_DEVICE_ADD("crtc" , I8275 , 2729045) MCFG_I8275_CHARACTER_WIDTH(9) MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(hp64k_state , crtc_display_pixels) MCFG_I8275_DRQ_CALLBACK(WRITELINE(hp64k_state , hp64k_crtc_drq_w)) MCFG_I8275_VRTC_CALLBACK(WRITELINE(hp64k_state , hp64k_crtc_vrtc_w)) MCFG_SCREEN_ADD("screen" , RASTER) MCFG_SCREEN_UPDATE_DEVICE("crtc" , i8275_device , screen_update) MCFG_SCREEN_REFRESH_RATE(60) MCFG_PALETTE_ADD_MONOCHROME_GREEN_HIGHLIGHT("palette") MACHINE_CONFIG_END ROM_START(hp64k) ROM_REGION(0x8000 , "cpu" , ROMREGION_16BIT | ROMREGION_BE | ROMREGION_INVERT) ROM_LOAD16_BYTE("64100_80022.bin" , 0x0000 , 0x1000 , CRC(38b2aae5) SHA1(bfd0f126bfaf3724dc501979ad2d46afc41913aa)) ROM_LOAD16_BYTE("64100_80020.bin" , 0x0001 , 0x1000 , CRC(ac01b436) SHA1(be1e827ea1393a95abb02a52ab5cc35dc2cd96e4)) ROM_LOAD16_BYTE("64100_80023.bin" , 0x2000 , 0x1000 , CRC(6b4bc2ce) SHA1(00e6c58ccae9640dc81cb3e92db90a8c69b02a93)) ROM_LOAD16_BYTE("64100_80021.bin" , 0x2001 , 0x1000 , CRC(74f9d33c) SHA1(543a845a992b0ceac3e0491acdfb178df0adeb1f)) ROM_LOAD16_BYTE("64100_80026.bin" , 0x4000 , 0x1000 , CRC(a74e834b) SHA1(a2ff9765628985d9bab4cb44ba23257a9b8d0965)) ROM_LOAD16_BYTE("64100_80024.bin" , 0x4001 , 0x1000 , CRC(2e15a1d2) SHA1(ce4330f8f8015a26c02f0965b95baf7dfd615512)) ROM_LOAD16_BYTE("64100_80027.bin" , 0x6000 , 0x1000 , CRC(b93c0e7a) SHA1(b239446d3d6e9d3dba6c0278b2771abe1623e1ad)) ROM_LOAD16_BYTE("64100_80025.bin" , 0x6001 , 0x1000 , CRC(e6353085) SHA1(48d78835c798f2caf6ee539057676d4f3c8a4df9)) ROM_REGION(0x800 , "chargen" , 0) ROM_LOAD("1816_1496_82S191.bin" , 0 , 0x800 , CRC(32a52664) SHA1(8b2a49a32510103ff424e8481d5ed9887f609f2f)) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */ COMP( 1979, hp64k, 0, 0, hp64k, hp64k, driver_device, 0, "HP", "HP 64000" , GAME_NO_SOUND)