// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic,Sandro Ronco /*************************************************************************** Videoton TVC 32/64 driver 12/05/2009 Skeleton driver. TODO: - UPM crashes when formatting a floppy - overscan and mid-frame changes ****************************************************************************/ #include "emu.h" #include "audio/tvc.h" #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "imagedev/snapquik.h" #include "machine/ram.h" #include "video/mc6845.h" #include "bus/centronics/ctronics.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "bus/tvc/tvc.h" #include "bus/tvc/hbf.h" #include "screen.h" #include "softlist.h" #include "speaker.h" #include "formats/tvc_cas.h" #define TVC_RAM_BANK 1 #define TVC_ROM_BANK 2 #define CENTRONICS_TAG "centronics" class tvc_state : public driver_device { public: tvc_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_ram(*this, RAM_TAG) , m_sound(*this, "custom") , m_cassette(*this, "cassette") , m_cart(*this, "cartslot") , m_centronics(*this, CENTRONICS_TAG) , m_palette(*this, "palette") , m_keyboard(*this, "LINE.%u", 0) { } required_device m_maincpu; required_device m_ram; required_device m_sound; required_device m_cassette; required_device m_cart; required_device m_centronics; required_device m_palette; required_ioport_array<16> m_keyboard; tvcexp_slot_device *m_expansions[4]; memory_region *m_bios_rom; memory_region *m_cart_rom; memory_region *m_ext; memory_region *m_vram; void machine_start() override; void machine_reset() override; void set_mem_page(uint8_t data); DECLARE_WRITE8_MEMBER(bank_w); DECLARE_WRITE8_MEMBER(vram_bank_w); DECLARE_WRITE8_MEMBER(palette_w); DECLARE_WRITE8_MEMBER(keyboard_w); DECLARE_READ8_MEMBER(keyboard_r); DECLARE_READ8_MEMBER(int_state_r); DECLARE_WRITE8_MEMBER(flipflop_w); DECLARE_WRITE8_MEMBER(border_color_w); DECLARE_WRITE8_MEMBER(sound_w); DECLARE_WRITE8_MEMBER(cassette_w); DECLARE_READ8_MEMBER(_5b_r); DECLARE_WRITE_LINE_MEMBER(int_ff_set); DECLARE_WRITE_LINE_MEMBER(centronics_ack); // expansions DECLARE_WRITE8_MEMBER(expansion_w); DECLARE_READ8_MEMBER(expansion_r); DECLARE_READ8_MEMBER(exp_id_r); DECLARE_WRITE8_MEMBER(expint_ack_w); DECLARE_QUICKLOAD_LOAD_MEMBER( tvc64); MC6845_UPDATE_ROW(crtc_update_row); uint8_t m_video_mode; uint8_t m_keyline; uint8_t m_active_slot; uint8_t m_int_flipflop; uint8_t m_col[4]; uint8_t m_bank_type[4]; uint8_t m_bank; uint8_t m_vram_bank; uint8_t m_cassette_ff; uint8_t m_centronics_ff; DECLARE_PALETTE_INIT(tvc); void tvc(machine_config &config); void tvc_io(address_map &map); void tvc_mem(address_map &map); }; #define TVC_INSTALL_ROM_BANK(_bank,_tag,_start,_end) \ if (m_bank_type[_bank] != TVC_ROM_BANK) \ { \ space.install_read_bank(_start, _end, _tag); \ space.unmap_write(_start, _end); \ m_bank_type[_bank] = TVC_ROM_BANK; \ } #define TVC_INSTALL_RAM_BANK(_bank,_tag,_start,_end) \ if (m_bank_type[_bank] != TVC_RAM_BANK) \ { \ space.install_readwrite_bank(_start, _end, _tag); \ m_bank_type[_bank] = TVC_RAM_BANK; \ } void tvc_state::set_mem_page(uint8_t data) { address_space &space = m_maincpu->space(AS_PROGRAM); switch (data & 0x18) { case 0x00 : // system ROM selected TVC_INSTALL_ROM_BANK(0, "bank1", 0x0000, 0x3fff); membank("bank1")->set_base(m_bios_rom->base()); break; case 0x08 : // Cart ROM selected if (m_cart_rom) { TVC_INSTALL_ROM_BANK(0, "bank1", 0x0000, 0x3fff); membank("bank1")->set_base(m_cart_rom->base()); } break; case 0x10 : // RAM selected TVC_INSTALL_RAM_BANK(0, "bank1", 0x0000, 0x3fff); membank("bank1")->set_base(m_ram->pointer()); break; case 0x18 : // Video RAM if (m_vram->bytes() > 0x4000) { // TVC 64+ only TVC_INSTALL_RAM_BANK(0, "bank1", 0x0000, 0x3fff); membank("bank1")->set_base(m_vram->base() + ((m_vram_bank & 0x03)<<14)); } else { space.unmap_readwrite(0x0000, 0x3fff); m_bank_type[0] = -1; } break; } if ((data & 0x20)==0) // Video RAM { TVC_INSTALL_RAM_BANK(2, "bank3", 0x8000, 0xbfff); membank("bank3")->set_base(m_vram->base() + ((m_vram_bank & 0x0c)<<12)); } else // System RAM page 3 { if (m_ram->size() > 0x8000) { TVC_INSTALL_RAM_BANK(2, "bank3", 0x8000, 0xbfff); membank("bank3")->set_base(m_ram->pointer() + 0x8000); } else { space.unmap_readwrite(0x8000, 0xbfff); m_bank_type[2] = -1; } } switch(data & 0xc0) { case 0x00 : // Cart ROM selected if (m_cart_rom) { TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff); membank("bank4")->set_base(m_cart_rom->base()); } break; case 0x40 : // System ROM selected TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff); membank("bank4")->set_base(m_bios_rom->base()); break; case 0x80 : // RAM selected if (m_ram->size() > 0x8000) { TVC_INSTALL_RAM_BANK(3, "bank4", 0xc000, 0xffff); membank("bank4")->set_base(m_ram->pointer() + 0xc000); } else { space.unmap_readwrite(0xc000, 0xffff); m_bank_type[3] = -1; } break; case 0xc0 : // External ROM selected TVC_INSTALL_ROM_BANK(3, "bank4", 0xc000, 0xffff); membank("bank4")->set_base(m_ext->base()); space.install_readwrite_handler (0xc000, 0xdfff, read8_delegate(FUNC(tvc_state::expansion_r), this), write8_delegate(FUNC(tvc_state::expansion_w), this), 0); m_bank_type[3] = -1; break; } } WRITE8_MEMBER(tvc_state::expansion_w) { m_expansions[m_active_slot & 3]->write(space, offset, data); } READ8_MEMBER(tvc_state::expansion_r) { return m_expansions[m_active_slot & 3]->read(space, offset); } WRITE8_MEMBER(tvc_state::bank_w) { m_bank = data; set_mem_page(data); } WRITE8_MEMBER(tvc_state::vram_bank_w) { // TVC 64+ only if (m_vram->bytes() > 0x4000) { // bit 4-5 - screen video RAM // bit 2-3 - video RAM active in bank 3 // bit 0-1 - video RAM active in bank 1 m_vram_bank = data; set_mem_page(m_bank); } } WRITE8_MEMBER(tvc_state::palette_w) { // 0 I 0 G | 0 R 0 B // 0 0 0 0 | I G R B int i = ((data&0x40)>>3) | ((data&0x10)>>2) | ((data&0x04)>>1) | (data&0x01); m_col[offset] = i; } WRITE8_MEMBER(tvc_state::keyboard_w) { // bit 6-7 - expansion select // bit 0-3 - keyboard scan m_keyline = data & 0x0f; m_active_slot = (data>>6) & 0x03; } READ8_MEMBER(tvc_state::keyboard_r) { return m_keyboard[m_keyline & 0x0f]->read(); } READ8_MEMBER(tvc_state::int_state_r) { /* x--- ---- centronics ACK flipflop -x-- ---- colour --x- ---- cassette input ---x ---- vblank or tone interrupt ---- xxxx expansions interrupt (active low) */ double level = m_cassette->input(); uint8_t expint = (m_expansions[0]->int_r()<<0) | (m_expansions[1]->int_r()<<1) | (m_expansions[2]->int_r()<<2) | (m_expansions[3]->int_r()<<3); return 0x40 | (m_int_flipflop << 4) | (level > 0.01 ? 0x20 : 0x00) | (m_centronics_ff << 7) | (expint & 0x0f); } WRITE8_MEMBER(tvc_state::flipflop_w) { // every write here clears the vblank flipflop m_int_flipflop = 1; m_maincpu->set_input_line(0, CLEAR_LINE); } READ8_MEMBER(tvc_state::exp_id_r) { // expansion slots ID return (m_expansions[0]->id_r()<<0) | (m_expansions[1]->id_r()<<2) | (m_expansions[2]->id_r()<<4) | (m_expansions[3]->id_r()<<6); } WRITE8_MEMBER(tvc_state::expint_ack_w) { m_expansions[offset & 3]->int_ack(); } WRITE8_MEMBER(tvc_state::border_color_w) { // x-x- x-x- border color (I G R B) } WRITE8_MEMBER(tvc_state::sound_w) { switch(offset) { case 1: // bit 6-7 - cassette motors m_cassette->change_state(BIT(data, 6) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); //m_cassette2->change_state(BIT(data, 7) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); m_cassette->output(m_cassette_ff ? +1 : -1); break; case 2: // bit 0-1 - video mode // bit 7 - centronics STROBE m_video_mode = data & 0x03; m_centronics->write_strobe(BIT(data, 7)); if (!BIT(data, 7)) m_centronics_ff = 0; break; } // sound ports m_sound->write(space, offset, data); } READ8_MEMBER(tvc_state::_5b_r) { m_sound->reset_divider(); return 0xff; } WRITE8_MEMBER(tvc_state::cassette_w) { // writig here cause the toggle of the cassette flipflop m_cassette_ff = !m_cassette_ff; m_cassette->output(m_cassette_ff ? +1 : -1); } void tvc_state::tvc_mem(address_map &map) { map(0x0000, 0x3fff).bankrw("bank1"); map(0x4000, 0x7fff).bankrw("bank2"); map(0x8000, 0xbfff).bankrw("bank3"); map(0xc000, 0xffff).bankrw("bank4"); } void tvc_state::tvc_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x00, 0x00).w(this, FUNC(tvc_state::border_color_w)); map(0x01, 0x01).w("cent_data_out", FUNC(output_latch_device::write)); map(0x02, 0x02).w(this, FUNC(tvc_state::bank_w)); map(0x03, 0x03).w(this, FUNC(tvc_state::keyboard_w)); map(0x04, 0x06).w(this, FUNC(tvc_state::sound_w)); map(0x07, 0x07).w(this, FUNC(tvc_state::flipflop_w)); map(0x0f, 0x0f).w(this, FUNC(tvc_state::vram_bank_w)); map(0x10, 0x1f).rw("exp1", FUNC(tvcexp_slot_device::io_read), FUNC(tvcexp_slot_device::io_write)); map(0x20, 0x2f).rw("exp2", FUNC(tvcexp_slot_device::io_read), FUNC(tvcexp_slot_device::io_write)); map(0x30, 0x3f).rw("exp3", FUNC(tvcexp_slot_device::io_read), FUNC(tvcexp_slot_device::io_write)); map(0x40, 0x4f).rw("exp4", FUNC(tvcexp_slot_device::io_read), FUNC(tvcexp_slot_device::io_write)); map(0x50, 0x50).w(this, FUNC(tvc_state::cassette_w)); map(0x58, 0x58).r(this, FUNC(tvc_state::keyboard_r)); map(0x59, 0x59).r(this, FUNC(tvc_state::int_state_r)); map(0x5a, 0x5a).r(this, FUNC(tvc_state::exp_id_r)); map(0x5b, 0x5b).r(this, FUNC(tvc_state::_5b_r)); map(0x58, 0x5b).w(this, FUNC(tvc_state::expint_ack_w)); map(0x60, 0x63).w(this, FUNC(tvc_state::palette_w)); map(0x70, 0x70).w("crtc", FUNC(mc6845_device::address_w)); map(0x71, 0x71).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); } /* Input ports */ static INPUT_PORTS_START( tvc ) PORT_START("LINE.0") PORT_BIT(0x01, 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(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('&') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('/') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\x8d") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(0x00cd) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('\'') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('!') PORT_START("LINE.1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR('^') PORT_BIT(0x02, 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("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xbc") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(0x00fc) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xb3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(0x00f3) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xb6") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(0x00f6) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('=') PORT_START("LINE.2") PORT_BIT(0x01, 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(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('$') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_HOME) PORT_CHAR('@') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_START("LINE.3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x04, 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("\xc5\x91") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(0x0151) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xba") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(0x00fa) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_START("LINE.4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("<") PORT_CODE(KEYCODE_END) PORT_CHAR('<') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_START("LINE.5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xa1") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(0x00e1) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc5\xb1") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(0x0171) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xa9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(0x00e9) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_START("LINE.6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_START("LINE.7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alt") PORT_CODE(KEYCODE_RALT) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('?') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_START("LINE.8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Insert") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Fire") PORT_CODE(KEYCODE_PGUP) //PORT_CHAR(UCHAR_MAMEKEY()) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Acc") PORT_CODE(KEYCODE_PGDN) //PORT_CHAR(UCHAR_MAMEKEY()) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.9") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.10") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.11") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.12") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.13") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.14") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.15") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END static INPUT_PORTS_START( tvc64pru ) PORT_START("LINE.0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0x0436) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DL") PORT_CODE(KEYCODE_HOME) // delete line PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DC") PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_START("LINE.1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("IL") PORT_CODE(KEYCODE_END) // insert line PORT_BIT(0x02, 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("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('{') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x10, 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_MINUS) PORT_CHAR('-') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_START("LINE.2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x02, 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("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x08, 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("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_START("LINE.3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_START("LINE.4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_START("LINE.5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_START("LINE.6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('^') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_START("LINE.7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alt") PORT_CODE(KEYCODE_RALT) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_BIT(0x02, 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("@") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('@') PORT_CHAR('\'') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_START("LINE.8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Insert") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Up") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Down") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Fire") PORT_CODE(KEYCODE_PGUP) //PORT_CHAR(UCHAR_MAMEKEY()) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Acc") PORT_CODE(KEYCODE_PGDN) //PORT_CHAR(UCHAR_MAMEKEY()) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Right") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Joy Left") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.9") PORT_BIT(0x7f, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') PORT_START("LINE.10") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.11") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.12") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.13") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.14") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE.15") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END void tvc_state::machine_start() { for (int i = 0; i < 4; i++) m_col[i] = i; m_int_flipflop = 0; m_expansions[0] = machine().device("exp1"); m_expansions[1] = machine().device("exp2"); m_expansions[2] = machine().device("exp3"); m_expansions[3] = machine().device("exp4"); m_bios_rom = memregion("sys"); m_ext = memregion("ext"); m_vram = memregion("vram"); std::string region_tag; m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); } void tvc_state::machine_reset() { memset(m_ram->pointer(), 0, m_ram->size()); set_mem_page(0); m_video_mode = 0; m_cassette_ff = 1; m_centronics_ff = 1; m_bank = 0; m_vram_bank = 0; memset(m_bank_type, 0, sizeof(m_bank_type)); m_active_slot = 0; // Bank 2 is always RAM membank("bank2")->set_base(m_ram->pointer() + 0x4000); } MC6845_UPDATE_ROW( tvc_state::crtc_update_row ) { const rgb_t *palette = m_palette->palette()->entry_list_raw(); uint32_t *p = &bitmap.pix32(y); uint8_t *vram = m_vram->base() + ((m_vram_bank & 0x30)<<10); uint16_t offset = ((ma*4 + ra*0x40) & 0x3fff); int i; switch(m_video_mode) { case 0 : // 2 colors mode for ( i = 0; i < x_count; i++ ) { uint8_t data = vram[offset + i]; *p++ = palette[m_col[BIT(data,7)]]; *p++ = palette[m_col[BIT(data,6)]]; *p++ = palette[m_col[BIT(data,5)]]; *p++ = palette[m_col[BIT(data,4)]]; *p++ = palette[m_col[BIT(data,3)]]; *p++ = palette[m_col[BIT(data,2)]]; *p++ = palette[m_col[BIT(data,1)]]; *p++ = palette[m_col[BIT(data,0)]]; } break; case 1 : // 4 colors mode // a0 b0 c0 d0 a1 b1 c1 d1 for ( i = 0; i < x_count; i++ ) { uint8_t data = vram[offset + i]; *p++ = palette[m_col[BIT(data,3)*2 + BIT(data,7)]]; *p++ = palette[m_col[BIT(data,3)*2 + BIT(data,7)]]; *p++ = palette[m_col[BIT(data,2)*2 + BIT(data,6)]]; *p++ = palette[m_col[BIT(data,2)*2 + BIT(data,6)]]; *p++ = palette[m_col[BIT(data,1)*2 + BIT(data,5)]]; *p++ = palette[m_col[BIT(data,1)*2 + BIT(data,5)]]; *p++ = palette[m_col[BIT(data,0)*2 + BIT(data,4)]]; *p++ = palette[m_col[BIT(data,0)*2 + BIT(data,4)]]; } break; default: // 16 colors mode // IIGG RRBB for ( i = 0; i < x_count; i++ ) { uint8_t data = vram[offset + i]; uint8_t col0 = ((data & 0x80)>>4) | ((data & 0x20)>>3) | ((data & 0x08)>>2) | ((data & 0x02)>>1); uint8_t col1 = ((data & 0x40)>>3) | ((data & 0x10)>>2) | ((data & 0x04)>>1) | (data & 0x01); *p++ = palette[col0]; *p++ = palette[col0]; *p++ = palette[col0]; *p++ = palette[col0]; *p++ = palette[col1]; *p++ = palette[col1]; *p++ = palette[col1]; *p++ = palette[col1]; } break; } } PALETTE_INIT_MEMBER(tvc_state, tvc) { const static unsigned char tvc_palette[16][3] = { { 0x00,0x00,0x00 }, { 0x00,0x00,0x7f }, { 0x7f,0x00,0x00 }, { 0x7f,0x00,0x7f }, { 0x00,0x7f,0x00 }, { 0x00,0x7f,0x7f }, { 0x7f,0x7f,0x00 }, { 0x7f,0x7f,0x7f }, { 0x00,0x00,0x00 }, { 0x00,0x00,0xff }, { 0xff,0x00,0x00 }, { 0xff,0x00,0xff }, { 0x00,0xff,0x00 }, { 0x00,0xff,0xff }, { 0xff,0xff,0x00 }, { 0xff,0xff,0xff } }; int i; for(i = 0; i < 16; i++) palette.set_pen_color(i, tvc_palette[i][0], tvc_palette[i][1], tvc_palette[i][2]); } WRITE_LINE_MEMBER(tvc_state::int_ff_set) { if (state) { m_int_flipflop = 0; m_maincpu->set_input_line(0, ASSERT_LINE); } } WRITE_LINE_MEMBER(tvc_state::centronics_ack) { if (state) m_centronics_ff = 1; } QUICKLOAD_LOAD_MEMBER( tvc_state, tvc64) { uint8_t first_byte; image.fread(&first_byte, 1); if (first_byte == 0x11) { image.fseek(0x90, SEEK_SET); image.fread(m_ram->pointer() + 0x19ef, image.length() - 0x90); return image_init_result::PASS; } else { return image_init_result::FAIL; } } void tvc_exp(device_slot_interface &device) { device.option_add("hbf", TVC_HBF); // Videoton HBF floppy interface } MACHINE_CONFIG_START(tvc_state::tvc) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu",Z80, 3125000) MCFG_DEVICE_PROGRAM_MAP(tvc_mem) MCFG_DEVICE_IO_MAP(tvc_io) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(512, 240) MCFG_SCREEN_VISIBLE_AREA(0, 512 - 1, 0, 240 - 1) MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update) MCFG_PALETTE_ADD( "palette", 16 ) MCFG_PALETTE_INIT_OWNER(tvc_state, tvc) MCFG_MC6845_ADD("crtc", MC6845, "screen", 3125000/2) // clk taken from schematics MCFG_MC6845_SHOW_BORDER_AREA(false) MCFG_MC6845_CHAR_WIDTH(8) /*?*/ MCFG_MC6845_UPDATE_ROW_CB(tvc_state, crtc_update_row) MCFG_MC6845_OUT_CUR_CB(WRITELINE(*this, tvc_state, int_ff_set)) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MCFG_RAM_EXTRA_OPTIONS("32K") /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", TVC_SOUND, 0) MCFG_TVC_SOUND_SNDINT_CALLBACK(WRITELINE(*this, tvc_state, int_ff_set)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75) MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_devices, "printer") MCFG_CENTRONICS_ACK_HANDLER(WRITELINE(*this, tvc_state, centronics_ack)) MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics") /* cartridge */ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "tvc_cart") MCFG_GENERIC_EXTENSIONS("bin,rom,crt") /* expansion interface */ MCFG_DEVICE_ADD("exp1", TVCEXP_SLOT, 0) MCFG_DEVICE_SLOT_INTERFACE(tvc_exp , nullptr, false) MCFG_TVCEXP_SLOT_OUT_IRQ_CB(INPUTLINE("maincpu", 0)) MCFG_TVCEXP_SLOT_OUT_NMI_CB(INPUTLINE("maincpu", INPUT_LINE_NMI)) MCFG_DEVICE_ADD("exp2", TVCEXP_SLOT, 0) MCFG_DEVICE_SLOT_INTERFACE(tvc_exp , nullptr, false) MCFG_TVCEXP_SLOT_OUT_IRQ_CB(INPUTLINE("maincpu", 0)) MCFG_TVCEXP_SLOT_OUT_NMI_CB(INPUTLINE("maincpu", INPUT_LINE_NMI)) MCFG_DEVICE_ADD("exp3", TVCEXP_SLOT, 0) MCFG_DEVICE_SLOT_INTERFACE(tvc_exp , nullptr, false) MCFG_TVCEXP_SLOT_OUT_IRQ_CB(INPUTLINE("maincpu", 0)) MCFG_TVCEXP_SLOT_OUT_NMI_CB(INPUTLINE("maincpu", INPUT_LINE_NMI)) MCFG_DEVICE_ADD("exp4", TVCEXP_SLOT, 0) MCFG_DEVICE_SLOT_INTERFACE(tvc_exp , nullptr, false) MCFG_TVCEXP_SLOT_OUT_IRQ_CB(INPUTLINE("maincpu", 0)) MCFG_TVCEXP_SLOT_OUT_NMI_CB(INPUTLINE("maincpu", INPUT_LINE_NMI)) /* cassette */ MCFG_CASSETTE_ADD( "cassette" ) MCFG_CASSETTE_FORMATS(tvc64_cassette_formats) MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED) MCFG_CASSETTE_INTERFACE("tvc_cass") /* quickload */ MCFG_QUICKLOAD_ADD("quickload", tvc_state, tvc64, "cas", 6) /* Software lists */ MCFG_SOFTWARE_LIST_ADD("cart_list", "tvc_cart") MCFG_SOFTWARE_LIST_ADD("cass_list", "tvc_cass") MCFG_SOFTWARE_LIST_ADD("flop_list", "tvc_flop") MACHINE_CONFIG_END /* ROM definition */ ROM_START( tvc64 ) ROM_REGION( 0x4000, "sys", ROMREGION_ERASEFF ) ROM_LOAD( "tvc12_d4.64k", 0x0000, 0x2000, CRC(834ca9be) SHA1(c333318c1c6185aae2d3dfb86d55e3a4a3071a73)) ROM_LOAD( "tvc12_d3.64k", 0x2000, 0x2000, CRC(71753d02) SHA1(d9a1905cf55c532b3380c83158fb5254ee503829)) ROM_REGION( 0x4000, "ext", ROMREGION_ERASEFF ) ROM_LOAD( "tvc12_d7.64k", 0x2000, 0x2000, CRC(1cbbeac6) SHA1(54b29c9ca9942f04620fbf3edab3b8e3cd21c194)) ROM_REGION( 0x4000, "vram", ROMREGION_ERASE ) ROM_END ROM_START( tvc64p ) ROM_REGION( 0x4000, "sys", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v22", "v2.2") ROMX_LOAD( "tvc22_d6.64k", 0x0000, 0x2000, CRC(05ac3a34) SHA1(bdc7eda5fd53f806dca8c4929ee498e8e59eb787), ROM_BIOS(1) ) ROMX_LOAD( "tvc22_d4.64k", 0x2000, 0x2000, CRC(ba6ad589) SHA1(e5c8a6db506836a327d901387a8dc8c681a272db), ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 1, "v21", "v2.1") ROMX_LOAD( "tvc21_d6.64k", 0x0000, 0x2000, CRC(f197ffce) SHA1(7b27a91504dd864170451949ada5f938d6532cae), ROM_BIOS(2) ) ROMX_LOAD( "tvc21_d4.64k", 0x2000, 0x2000, CRC(b054c0b2) SHA1(c8ca8d5a4d092604de01e2cafc2a2dabe94e6380), ROM_BIOS(2) ) ROM_REGION( 0x4000, "ext", ROMREGION_ERASEFF ) ROM_LOAD( "tvc22_d7.64k", 0x2000, 0x2000, CRC(05e1c3a8) SHA1(abf119cf947ea32defd08b29a8a25d75f6bd4987)) ROM_REGION( 0x10000, "vram", ROMREGION_ERASE ) ROM_END ROM_START( tvc64pru ) ROM_REGION( 0x4000, "sys", ROMREGION_ERASEFF ) ROM_LOAD( "tvcru_d6.bin", 0x0000, 0x2000, CRC(1e0fa0b8) SHA1(9bebb6c8f03f9641bd35c9fd45ffc13a48e5c572)) ROM_LOAD( "tvcru_d4.bin", 0x2000, 0x2000, CRC(bac5dd4f) SHA1(665a1b8c80b6ad82090803621f0c73ef9243c7d4)) ROM_REGION( 0x4000, "ext", ROMREGION_ERASEFF ) ROM_LOAD( "tvcru_d7.bin", 0x2000, 0x2000, CRC(70cde756) SHA1(c49662af9f6653347ead641e85777c3463cc161b)) ROM_REGION( 0x10000, "vram", ROMREGION_ERASE ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1985, tvc64, 0, 0, tvc, tvc, tvc_state, empty_init, "Videoton", "TVC 64", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) COMP( 1985, tvc64p, tvc64, 0, tvc, tvc, tvc_state, empty_init, "Videoton", "TVC 64+", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) COMP( 1985, tvc64pru, tvc64, 0, tvc, tvc64pru, tvc_state, empty_init, "Videoton", "TVC 64+ (Russian)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )