// license:BSD-3-Clause // copyright-holders:Curt Coder,smf,Mike Naberezny /*************************************************************************** Commodore LCD prototype GTE G65SC102PI-2 GTE G65SC51P-1 Rockwell R65C22P2 x 2 AMI S3530X Bell 103/V.21 Single chip modem ****************************************************************************/ #include "emu.h" #include "bus/cbmiec/cbmiec.h" #include "bus/centronics/ctronics.h" #include "bus/rs232/rs232.h" #include "cpu/m6502/m65c02.h" #include "machine/6522via.h" #include "machine/bankdev.h" #include "machine/input_merger.h" #include "machine/mos6551.h" #include "machine/msm58321.h" #include "machine/ram.h" #include "machine/nvram.h" #include "sound/spkrdev.h" #include "emupal.h" #include "screen.h" #include "speaker.h" class clcd_state : public driver_device { public: clcd_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_acia(*this, "acia"), m_via0(*this, "via0"), m_rtc(*this, "rtc"), m_centronics(*this, "centronics"), m_iec(*this, CBM_IEC_TAG), m_ram(*this, "ram"), m_nvram(*this, "nvram"), m_bankdev(*this, "bank%u", 1U), m_lcd_char_rom(*this, "lcd_char_rom"), m_lcd_scrollx(0), m_lcd_scrolly(0), m_lcd_mode(0), m_lcd_size(0), m_mmu_mode(MMU_MODE_KERN), m_mmu_saved_mode(MMU_MODE_KERN), m_mmu_offset1(0), m_mmu_offset2(0), m_mmu_offset3(0), m_mmu_offset4(0), m_mmu_offset5(0), m_key_clk(0), m_key_poll(0), m_key_row(0), m_key_shift(0xffff), m_key_force_format(0), m_row(*this, "ROW%u", 0U), m_special(*this, "SPECIAL"), m_power(1), m_power_on(0) { } virtual void driver_start() override { m_mmu_mode = MMU_MODE_TEST; update_mmu_mode(MMU_MODE_KERN); save_item(NAME(m_lcd_scrollx)); save_item(NAME(m_lcd_scrolly)); save_item(NAME(m_lcd_mode)); save_item(NAME(m_lcd_size)); save_item(NAME(m_mmu_mode)); save_item(NAME(m_mmu_saved_mode)); save_item(NAME(m_mmu_offset1)); save_item(NAME(m_mmu_offset2)); save_item(NAME(m_mmu_offset3)); save_item(NAME(m_mmu_offset4)); save_item(NAME(m_mmu_offset5)); save_item(NAME(m_key_clk)); save_item(NAME(m_key_poll)); save_item(NAME(m_key_row)); save_item(NAME(m_key_shift)); save_item(NAME(m_power)); save_item(NAME(m_power_on)); m_rtc->cs1_w(1); m_acia->write_cts(0); m_nvram->set_base(ram()->pointer(), ram()->size()); } void clcd_palette(palette_device &palette) const { palette.set_pen_color(0, rgb_t(124, 149, 143)); palette.set_pen_color(1, rgb_t(54,64,65)); } uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { if (m_lcd_mode & LCD_MODE_GRAPH) { for (int y = 0; y < 128; y++) { int offset = (m_lcd_scrolly * 128) + (y * 64); for (int x = 0; x < 60; x++) { uint8_t const bit = m_ram->pointer()[offset++]; bitmap.pix(y, (x * 8) + 0) = BIT(bit, 7); bitmap.pix(y, (x * 8) + 1) = BIT(bit, 6); bitmap.pix(y, (x * 8) + 2) = BIT(bit, 5); bitmap.pix(y, (x * 8) + 3) = BIT(bit, 4); bitmap.pix(y, (x * 8) + 4) = BIT(bit, 3); bitmap.pix(y, (x * 8) + 5) = BIT(bit, 2); bitmap.pix(y, (x * 8) + 6) = BIT(bit, 1); bitmap.pix(y, (x * 8) + 7) = BIT(bit, 0); } } } else { uint8_t const *font = m_lcd_char_rom->base(); if (m_lcd_mode & LCD_MODE_ALT) { font += 1024; } int const chrw = (m_lcd_size & LCD_SIZE_CHRW) ? 8 : 6; for (int y = 0; y < 128; y++) { int const offset = (m_lcd_scrolly * 128) + (m_lcd_scrollx & 0x7f) + ((y / 8) * 128); for (int x = 0; x < 480; x++) { uint8_t const ch = m_ram->pointer()[offset + (x / chrw)]; uint8_t bit = font[((ch & 0x7f) * 8) + (y % 8)]; if (ch & 0x80) { bit = ~bit; } bitmap.pix(y, x) = (bit >> (7 - (x % chrw))) & 1; } } } return 0; } uint8_t ram_r(offs_t offset) { if (offset < m_ram->size()) { return m_ram->pointer()[offset]; } return 0xff; } void ram_w(offs_t offset, uint8_t data) { if (offset < m_ram->size()) { m_ram->pointer()[offset] = data; } } enum { MMU_MODE_KERN, MMU_MODE_APPL, MMU_MODE_RAM, MMU_MODE_TEST }; enum { LCD_MODE_ALT = 1, LCD_MODE_GRAPH = 2 }; enum { LCD_SIZE_CHRW = 4 }; void update_mmu_mode(int new_mode) { if (m_mmu_mode != new_mode) { m_mmu_mode = new_mode; switch (m_mmu_mode) { case MMU_MODE_KERN: m_bankdev[0]->set_bank(0x04 + 0x00); update_mmu_offset5(); m_bankdev[2]->set_bank(0x20 + 0xc0); m_bankdev[3]->set_bank(0x30 + 0xc0); break; case MMU_MODE_APPL: update_mmu_offset1(); update_mmu_offset2(); update_mmu_offset3(); update_mmu_offset4(); break; case MMU_MODE_RAM: m_bankdev[0]->set_bank(0x04); m_bankdev[1]->set_bank(0x10); m_bankdev[2]->set_bank(0x20); m_bankdev[3]->set_bank(0x30); break; case MMU_MODE_TEST: m_bankdev[0]->set_bank(0x04 + 0x200); m_bankdev[1]->set_bank(0x10 + 0x200); m_bankdev[2]->set_bank(0x20 + 0x200); m_bankdev[3]->set_bank(0x30 + 0x200); break; } } } void update_mmu_offset1() { if (m_mmu_mode == MMU_MODE_APPL) { m_bankdev[0]->set_bank(0x04 + m_mmu_offset1); } } void update_mmu_offset2() { if (m_mmu_mode == MMU_MODE_APPL) { m_bankdev[1]->set_bank((0x10 + m_mmu_offset2) & 0xff); } } void update_mmu_offset3() { if (m_mmu_mode == MMU_MODE_APPL) { m_bankdev[2]->set_bank((0x20 + m_mmu_offset3) & 0xff); } } void update_mmu_offset4() { if (m_mmu_mode == MMU_MODE_APPL) { m_bankdev[3]->set_bank((0x30 + m_mmu_offset4) & 0xff); } } void update_mmu_offset5() { if (m_mmu_mode == MMU_MODE_KERN) { m_bankdev[1]->set_bank((0x10 + m_mmu_offset5) & 0xff); } } void mmu_mode_kern_w(uint8_t data) { update_mmu_mode(MMU_MODE_KERN); } void mmu_mode_appl_w(uint8_t data) { update_mmu_mode(MMU_MODE_APPL); } void mmu_mode_ram_w(uint8_t data) { update_mmu_mode(MMU_MODE_RAM); } void mmu_mode_recall_w(uint8_t data) { update_mmu_mode(m_mmu_saved_mode); } void mmu_mode_save_w(uint8_t data) { m_mmu_saved_mode = m_mmu_mode; } void mmu_mode_test_w(uint8_t data) { update_mmu_mode(MMU_MODE_TEST); } void mmu_offset1_w(uint8_t data) { if (m_mmu_offset1 != data) { m_mmu_offset1 = data; update_mmu_offset1(); } } void mmu_offset2_w(uint8_t data) { if (m_mmu_offset2 != data) { m_mmu_offset2 = data; update_mmu_offset2(); } } void mmu_offset3_w(uint8_t data) { if (m_mmu_offset3 != data) { m_mmu_offset3 = data; update_mmu_offset3(); } } void mmu_offset4_w(uint8_t data) { if (m_mmu_offset4 != data) { m_mmu_offset4 = data; update_mmu_offset4(); } } void mmu_offset5_w(uint8_t data) { if (m_mmu_offset5 != data) { m_mmu_offset5 = data; update_mmu_offset5(); } } uint8_t mmu_offset1_r() { return m_mmu_offset1; } uint8_t mmu_offset2_r() { return m_mmu_offset2; } uint8_t mmu_offset3_r() { return m_mmu_offset3; } uint8_t mmu_offset4_r() { return m_mmu_offset4; } uint8_t mmu_offset5_r() { return m_mmu_offset5; } void lcd_scrollx_w(uint8_t data) { m_lcd_scrollx = data; } void lcd_scrolly_w(uint8_t data) { m_lcd_scrolly = data; } void lcd_mode_w(uint8_t data) { m_lcd_mode = data; } void lcd_size_w(uint8_t data) { m_lcd_size = data; } void via0_pa_w(uint8_t data) { m_key_row = data; } uint8_t via0_pb_r() { uint8_t data = 0; if (!m_iec->clk_r()) { data |= 1<<6; } if (!m_iec->data_r()) { data |= 1<<7; } return data; } void via0_pb_w(uint8_t data) { write_sl(BIT(data, 0)); m_rtc->cs2_w(BIT(data, 1)); write_power_on(BIT(data, 2)); m_iec->host_atn_w(!BIT(data, 3)); m_iec->host_clk_w(!BIT(data, 4)); m_iec->host_data_w(!BIT(data, 5)); machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(2000)); } WRITE_LINE_MEMBER(write_sl) { if (m_key_poll != state) { m_key_poll = state; if (m_key_poll != 0) { m_key_shift = 0xff00 | m_special->read(); for (int i = 0; i < 8; i++) if (!BIT(m_key_row, i)) m_key_shift &= (m_row[i]->read() << 8) | 0xff; if (m_key_force_format) { m_key_shift = ~0x15; // Simulate holding CBM+SHIFT+STOP if you have no NVRAM m_key_force_format--; } } } } WRITE_LINE_MEMBER(via0_cb1_w) { int newm_key_clk = state & 1; if (m_key_clk != newm_key_clk) { m_key_clk = newm_key_clk; if (!m_key_clk) { m_via0->write_cb2(!BIT(m_key_shift, 15)); m_key_shift <<= 1; } } } void via1_pa_w(uint8_t data) { m_rtc->d0_w(BIT(data, 0)); m_centronics->write_data0(BIT(data, 0)); m_rtc->d1_w(BIT(data, 1)); m_centronics->write_data1(BIT(data, 1)); m_rtc->d2_w(BIT(data, 2)); m_centronics->write_data2(BIT(data, 2)); m_rtc->d3_w(BIT(data, 3)); m_centronics->write_data3(BIT(data, 3)); m_rtc->read_w(BIT(data, 4)); m_centronics->write_data4(BIT(data, 4)); m_rtc->write_w(BIT(data, 5)); m_centronics->write_data5(BIT(data, 5)); m_rtc->address_write_w(BIT(data, 6)); m_centronics->write_data6(BIT(data, 6)); m_centronics->write_data7(BIT(data, 7)); } void via1_pb_w(uint8_t data) { //int centronics_unknown = !BIT(data,5); } WRITE_LINE_MEMBER(write_power_on) { if (m_power_on != state) { m_power_on = state; power_on_reset(); } } WRITE_LINE_MEMBER(write_power) { if (m_power != state) { m_power = state; power_on_reset(); } } void power_on_reset() { if (!m_power && m_power_on) m_maincpu->reset(); } ram_device *ram() { return m_ram; } void force_format() { m_key_force_format = 10; } void nvram_init(nvram_device &nvram, void *data, size_t size); void clcd(machine_config &config); void clcd_banked_mem(address_map &map); void clcd_mem(address_map &map); private: required_device m_maincpu; required_device m_acia; required_device m_via0; required_device m_rtc; required_device m_centronics; required_device m_iec; required_device m_ram; required_device m_nvram; required_device_array m_bankdev; required_memory_region m_lcd_char_rom; int m_lcd_scrollx; int m_lcd_scrolly; int m_lcd_mode; int m_lcd_size; int m_mmu_mode; int m_mmu_saved_mode; uint8_t m_mmu_offset1; uint8_t m_mmu_offset2; uint8_t m_mmu_offset3; uint8_t m_mmu_offset4; uint8_t m_mmu_offset5; int m_key_clk; int m_key_poll; int m_key_row; uint16_t m_key_shift; int m_key_force_format; required_ioport_array<8> m_row; required_ioport m_special; bool m_power; bool m_power_on; }; void clcd_state::nvram_init(nvram_device &nvram, void *data, size_t size) { memset(data, 0x00, size); force_format(); } void clcd_state::clcd_banked_mem(address_map &map) { /* KERN/APPL/RAM */ map(0x00000, 0x1ffff).mirror(0x40000).rw(FUNC(clcd_state::ram_r), FUNC(clcd_state::ram_w)); map(0x20000, 0x3ffff).mirror(0x40000).rom().region("maincpu", 0); /* TEST */ map(0x81000, 0x83fff).r(FUNC(clcd_state::mmu_offset1_r)); map(0x84000, 0x87fff).r(FUNC(clcd_state::mmu_offset2_r)); map(0x88000, 0x8bfff).r(FUNC(clcd_state::mmu_offset3_r)); map(0x8c000, 0x8dfff).r(FUNC(clcd_state::mmu_offset4_r)); map(0x8e000, 0x8f7ff).r(FUNC(clcd_state::mmu_offset5_r)); } void clcd_state::clcd_mem(address_map &map) { map(0x0000, 0x0fff).rw(FUNC(clcd_state::ram_r), FUNC(clcd_state::ram_w)); map(0x1000, 0x3fff).rw(m_bankdev[0], FUNC(address_map_bank_device::read8), FUNC(address_map_bank_device::write8)); map(0x4000, 0x7fff).rw(m_bankdev[1], FUNC(address_map_bank_device::read8), FUNC(address_map_bank_device::write8)); map(0x8000, 0xbfff).rw(m_bankdev[2], FUNC(address_map_bank_device::read8), FUNC(address_map_bank_device::write8)); map(0xc000, 0xf7ff).rw(m_bankdev[3], FUNC(address_map_bank_device::read8), FUNC(address_map_bank_device::write8)); map(0xf800, 0xf80f).mirror(0x70).m(m_via0, FUNC(via6522_device::map)); map(0xf880, 0xf88f).mirror(0x70).m("via1", FUNC(via6522_device::map)); map(0xf980, 0xf983).mirror(0x7c).rw(m_acia, FUNC(mos6551_device::read), FUNC(mos6551_device::write)); map(0xfa00, 0xffff).rom().region("maincpu", 0x1fa00); map(0xfa00, 0xfa00).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_kern_w)); map(0xfa80, 0xfa80).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_appl_w)); map(0xfb00, 0xfb00).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_ram_w)); map(0xfb80, 0xfb80).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_recall_w)); map(0xfc00, 0xfc00).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_save_w)); map(0xfc80, 0xfc80).mirror(0x7f).w(FUNC(clcd_state::mmu_mode_test_w)); map(0xfd00, 0xfd00).mirror(0x7f).w(FUNC(clcd_state::mmu_offset1_w)); map(0xfd80, 0xfd80).mirror(0x7f).w(FUNC(clcd_state::mmu_offset2_w)); map(0xfe00, 0xfe00).mirror(0x7f).w(FUNC(clcd_state::mmu_offset3_w)); map(0xfe80, 0xfe80).mirror(0x7f).w(FUNC(clcd_state::mmu_offset4_w)); map(0xff00, 0xff00).mirror(0x7f).w(FUNC(clcd_state::mmu_offset5_w)); map(0xff80, 0xff80).mirror(0x7c).w(FUNC(clcd_state::lcd_scrollx_w)); map(0xff81, 0xff81).mirror(0x7c).w(FUNC(clcd_state::lcd_scrolly_w)); map(0xff82, 0xff82).mirror(0x7c).w(FUNC(clcd_state::lcd_mode_w)); map(0xff83, 0xff83).mirror(0x7c).w(FUNC(clcd_state::lcd_size_w)); } /* Input ports */ // The keyboard has { } ~ _ marked, but there doesn't seem to be a way to type them in. // Natural keyboard is set up for the various apps, but since BASIC is the usual Commodore Basic, uppercase turns into graphics and is unusable. static INPUT_PORTS_START( clcd ) PORT_START( "ROW0" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7 \'") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL INST") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR('\b') PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_START( "ROW1" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HOME CLR") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("*") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('*') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') PORT_START( "ROW2" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("; ]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(';') PORT_CHAR(']') PORT_CHAR('}') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') PORT_START( "ROW3" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("UP") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0 ^") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('^') PORT_CHAR('~') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_START( "ROW4" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_START( "ROW5" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(": [") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(':') PORT_CHAR('[') PORT_CHAR('{') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_START( "ROW6" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_START( "ROW7" ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_CHAR('_') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("@") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('@') PORT_START( "SPECIAL" ) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STOP") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CAPSLOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_MAMEKEY(LSHIFT),UCHAR_SHIFT_1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CONTROL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CBM") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("POWER") PORT_CODE(KEYCODE_F9) PORT_WRITE_LINE_MEMBER(clcd_state, write_power) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // lo batt PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // no batt INPUT_PORTS_END void clcd_state::clcd(machine_config &config) { /* basic machine hardware */ M65C02(config, m_maincpu, 1000000); m_maincpu->set_addrmap(AS_PROGRAM, &clcd_state::clcd_mem); INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline("maincpu", m65c02_device::IRQ_LINE); via6522_device &via0(R65C22(config, "via0", 1000000)); via0.writepa_handler().set(FUNC(clcd_state::via0_pa_w)); via0.writepb_handler().set(FUNC(clcd_state::via0_pb_w)); via0.readpb_handler().set(FUNC(clcd_state::via0_pb_r)); via0.cb1_handler().set(FUNC(clcd_state::via0_cb1_w)); via0.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<0>)); via6522_device &via1(R65C22(config, "via1", 1000000)); via1.writepa_handler().set(FUNC(clcd_state::via1_pa_w)); via1.writepb_handler().set(FUNC(clcd_state::via1_pb_w)); via1.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<1>)); via1.ca2_handler().set(m_centronics, FUNC(centronics_device::write_strobe)).invert(); via1.cb2_handler().set("speaker", FUNC(speaker_sound_device::level_w)); MOS6551(config, m_acia, 1000000); m_acia->set_xtal(XTAL(1'843'200)); m_acia->irq_handler().set("mainirq", FUNC(input_merger_device::in_w<2>)); m_acia->txd_handler().set("rs232", FUNC(rs232_port_device::write_txd)); m_acia->rts_handler().set("rs232", FUNC(rs232_port_device::write_rts)); m_acia->dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr)); rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr)); rs232.rxd_handler().set(m_acia, FUNC(mos6551_device::write_rxd)); rs232.dcd_handler().set(m_acia, FUNC(mos6551_device::write_dcd)); rs232.dsr_handler().set(m_acia, FUNC(mos6551_device::write_dsr)); rs232.cts_handler().set("via1", FUNC(via6522_device::write_pb4)); CENTRONICS(config, m_centronics, centronics_devices, nullptr); m_centronics->busy_handler().set("via1", FUNC(via6522_device::write_pb6)).invert(); for (auto &bankdev : m_bankdev) { ADDRESS_MAP_BANK(config, bankdev); bankdev->set_addrmap(AS_PROGRAM, &clcd_state::clcd_banked_mem); bankdev->set_endianness(ENDIANNESS_LITTLE); bankdev->set_data_width(8); bankdev->set_stride(0x400); } MSM58321(config, m_rtc, XTAL(32'768)); m_rtc->d0_handler().set("via1", FUNC(via6522_device::write_pa0)); m_rtc->d1_handler().set("via1", FUNC(via6522_device::write_pa1)); m_rtc->d2_handler().set("via1", FUNC(via6522_device::write_pa2)); m_rtc->d3_handler().set("via1", FUNC(via6522_device::write_pa3)); m_rtc->busy_handler().set("via1", FUNC(via6522_device::write_pa7)); m_rtc->set_year0(1984); m_rtc->set_default_24h(true); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); screen.set_refresh_hz(80); screen.set_screen_update(FUNC(clcd_state::screen_update)); screen.set_size(480, 128); screen.set_visarea_full(); screen.set_palette("palette"); PALETTE(config, "palette", FUNC(clcd_state::clcd_palette), 2); // sound hardware SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.25); RAM(config, "ram").set_default_size("128K").set_extra_options("32K,64K").set_default_value(0); NVRAM(config, "nvram").set_custom_handler(FUNC(clcd_state::nvram_init)); cbm_iec_slot_device::add(config, m_iec, nullptr); } ROM_START( clcd ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD( "ss-calc-13apr.u105", 0x00000, 0x8000, CRC(88a587a7) SHA1(b08f3169b7cd696bb6a9b6e6e87a077345377ac4)) ROM_LOAD( "sept-m-13apr.u104", 0x08000, 0x8000, CRC(41028c3c) SHA1(fcab6f0bbeef178eb8e5ecf82d9c348d8f318a8f)) ROM_LOAD( "sizapr.u103", 0x10000, 0x8000, CRC(0aa91d9f) SHA1(f0842f370607f95d0a0ec6afafb81bc063c32745)) ROM_LOAD( "kizapr.u102", 0x18000, 0x8000, CRC(59103d52) SHA1(e49c20b237a78b54c2cb26b133d5903bb60bd8ef)) // Patch RTC register table by swapping day & month values ROM_FILL(0x1c216, 1, 0x09) ROM_FILL(0x1c217, 1, 0x07) ROM_REGION( 0x800, "lcd_char_rom", 0 ) ROM_LOAD( "lcd-char-rom.u16", 0x00000, 0x800, CRC(7b6d3867) SHA1(cb594801438849f933ddc3e64b03b56f42f59f09)) ROM_IGNORE(0x800) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1985, clcd, 0, 0, clcd, clcd, clcd_state, empty_init, "Commodore Business Machines", "LCD (Prototype)", 0 )