// license:BSD-3-Clause // copyright-holders:Angelo Salese, Robbbert /*************************************************************************** A5105 2009-05-12 Skeleton driver. http://www.robotrontechnik.de/index.htm?/html/computer/a5105.htm http://www.sax.de/~zander/bic/bic_bw.html - this looks like "somehow" inspired by the MSX1 machine? Cassette commands: CSAVE "name" ; CLOAD ToDo: - Cassette (coded per schematic, but doesn't work) ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "imagedev/floppy.h" #include "machine/ram.h" #include "machine/upd765.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "sound/beep.h" #include "video/upd7220.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #include "formats/a5105_dsk.h" class a5105_state : public driver_device { public: a5105_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_screen(*this, "screen") , m_hgdc(*this, "upd7220") , m_cass(*this, "cassette") , m_beep(*this, "beeper") , m_fdc(*this, "upd765a") , m_floppy0(*this, "upd765a:0") , m_floppy1(*this, "upd765a:1") , m_floppy2(*this, "upd765a:2") , m_floppy3(*this, "upd765a:3") , m_video_ram(*this, "video_ram") , m_ram(*this, RAM_TAG) , m_gfxdecode(*this, "gfxdecode") , m_palette(*this, "palette") { } void a5105(machine_config &config); protected: virtual void machine_reset() override; virtual void video_start() override; private: uint8_t a5105_memsel_r(); uint8_t key_r(); uint8_t key_mux_r(); uint8_t pio_pb_r(); void key_mux_w(uint8_t data); void a5105_ab_w(uint8_t data); void a5105_memsel_w(uint8_t data); void a5105_upd765_w(uint8_t data); void pcg_addr_w(uint8_t data); void pcg_val_w(uint8_t data); void a5105_palette(palette_device &palette) const; DECLARE_FLOPPY_FORMATS( floppy_formats ); UPD7220_DISPLAY_PIXELS_MEMBER( hgdc_display_pixels ); UPD7220_DRAW_TEXT_LINE_MEMBER( hgdc_draw_text ); void a5105_io(address_map &map); void a5105_mem(address_map &map); void upd7220_map(address_map &map); uint8_t *m_ram_base; uint8_t *m_rom_base; uint8_t *m_char_ram; uint16_t m_pcg_addr; uint16_t m_pcg_internal_addr; uint8_t m_key_mux; uint8_t m_memsel[4]; required_device m_maincpu; required_device m_screen; required_device m_hgdc; required_device m_cass; required_device m_beep; required_device m_fdc; required_device m_floppy0; required_device m_floppy1; required_device m_floppy2; required_device m_floppy3; required_shared_ptr m_video_ram; required_device m_ram; required_device m_gfxdecode; required_device m_palette; }; /* TODO */ UPD7220_DISPLAY_PIXELS_MEMBER( a5105_state::hgdc_display_pixels ) { rgb_t const *const palette = m_palette->palette()->entry_list_raw(); int const gfx = m_video_ram[(address & 0x1ffff) >> 1]; for (int xi = 0; xi < 16; xi++) { int const pen = ((gfx >> xi) & 1) ? 7 : 0; bitmap.pix32(y, x + xi) = palette[pen]; } } UPD7220_DRAW_TEXT_LINE_MEMBER( a5105_state::hgdc_draw_text ) { rgb_t const *const palette = m_palette->palette()->entry_list_raw(); for (int x = 0; x < pitch; x++) { int const tile = (m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] & 0xff); int const color = ((m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] >> 8) & 0x0f); for (int yi = 0; yi < lr; yi++) { uint8_t tile_data = m_char_ram[(tile*8+yi) & 0x7ff]; if (cursor_on && cursor_addr == addr+x && m_screen->frame_number() & 0x10) tile_data ^= 0xff; for (int xi = 0; xi < 8; xi++) { int pen = (tile_data >> xi) & 1 ? color : 0; int const res_x = x * 8 + xi; int const res_y = y + yi; if (yi >= 8) pen = 0; if (m_screen->visible_area().contains(res_x+0, res_y)) bitmap.pix32(res_y, res_x) = palette[pen]; } } } } void a5105_state::a5105_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x3fff).bankr("bank1"); map(0x4000, 0x7fff).bankr("bank2"); map(0x8000, 0xbfff).bankrw("bank3"); map(0xc000, 0xffff).bankrw("bank4"); } uint8_t a5105_state::pio_pb_r() { /* PIO Channel B 0 R PAR12 1 W SER1 2 W SER2 3 R SER3 4 R SER4 5 W JOY2 6 W /JOYEN 7 R Cassette Data */ uint8_t data = 0x7f; // cassette data data |= (m_cass->input() > 0) ? 0x80 : 0; return data; } void a5105_state::pcg_addr_w(uint8_t data) { m_pcg_addr = data << 3; m_pcg_internal_addr = 0; } void a5105_state::pcg_val_w(uint8_t data) { m_char_ram[m_pcg_addr | m_pcg_internal_addr] = data; m_gfxdecode->gfx(0)->mark_dirty(m_pcg_addr >> 3); m_pcg_internal_addr++; m_pcg_internal_addr&=7; } uint8_t a5105_state::key_r() { static const char *const keynames[] = { "KEY0", "KEY1", "KEY2", "KEY3", "KEY4", "KEY5", "KEY6", "KEY7", "KEY8", "KEY9", "KEYA", "UNUSED", "UNUSED", "UNUSED", "UNUSED", "UNUSED" }; return ioport(keynames[m_key_mux & 0x0f])->read(); } uint8_t a5105_state::key_mux_r() { return m_key_mux; } void a5105_state::key_mux_w(uint8_t data) { /* xxxx ---- unknown ---- xxxx keyboard mux */ m_key_mux = data; } void a5105_state::a5105_ab_w(uint8_t data) { /*port $ab ---- 100x tape motor, active low ---- 101x tape data ---- 110x led (color green) ---- 111x key click, active high */ switch (data & 6) { case 0: if (BIT(data, 0)) m_cass->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); else m_cass->change_state(CASSETTE_MOTOR_ENABLED,CASSETTE_MASK_MOTOR); break; case 2: m_cass->output( BIT(data, 0) ? -1.0 : +1.0); break; case 4: //led break; case 6: m_beep->set_state(BIT(data, 0)); break; } } uint8_t a5105_state::a5105_memsel_r() { uint8_t res; res = (m_memsel[0] & 3) << 0; res|= (m_memsel[1] & 3) << 2; res|= (m_memsel[2] & 3) << 4; res|= (m_memsel[3] & 3) << 6; return res; } void a5105_state::a5105_memsel_w(uint8_t data) { address_space &prog = m_maincpu->space( AS_PROGRAM ); if (m_memsel[0] != ((data & 0x03) >> 0)) { m_memsel[0] = (data & 0x03) >> 0; switch (m_memsel[0]) { case 0: membank("bank1")->set_base(m_rom_base); prog.install_read_bank(0x0000, 0x3fff, "bank1"); prog.unmap_write(0x0000, 0x3fff); break; case 2: membank("bank1")->set_base(m_ram_base); prog.install_readwrite_bank(0x0000, 0x3fff, "bank1"); break; default: prog.unmap_readwrite(0x0000, 0x3fff); break; } } if (m_memsel[1] != ((data & 0x0c) >> 2)) { m_memsel[1] = (data & 0x0c) >> 2; switch (m_memsel[1]) { case 0: membank("bank2")->set_base(m_rom_base + 0x4000); prog.install_read_bank(0x4000, 0x7fff, "bank2"); prog.unmap_write(0x4000, 0x4000); break; case 1: membank("bank2")->set_base(memregion("k5651")->base()); prog.install_read_bank(0x4000, 0x7fff, "bank2"); prog.unmap_write(0x4000, 0x4000); break; case 2: membank("bank2")->set_base(m_ram_base + 0x4000); prog.install_readwrite_bank(0x4000, 0x7fff, "bank2"); break; default: prog.unmap_readwrite(0x4000, 0x7fff); break; } } if (m_memsel[2] != ((data & 0x30) >> 4)) { m_memsel[2] = (data & 0x30) >> 4; switch (m_memsel[2]) { case 0: membank("bank3")->set_base(m_rom_base + 0x8000); prog.install_read_bank(0x8000, 0xbfff, "bank3"); prog.unmap_write(0x8000, 0xbfff); break; case 2: membank("bank3")->set_base(m_ram_base + 0x8000); prog.install_readwrite_bank(0x8000, 0xbfff, "bank3"); break; default: prog.unmap_readwrite(0x8000, 0xbfff); break; } } if (m_memsel[3] != ((data & 0xc0) >> 6)) { m_memsel[3] = (data & 0xc0) >> 6; switch (m_memsel[3]) { case 2: membank("bank4")->set_base(m_ram_base + 0xc000); prog.install_readwrite_bank(0xc000, 0xffff, "bank4"); break; default: prog.unmap_readwrite(0xc000, 0xffff); break; } } //printf("Memsel change to %02x %02x %02x %02x\n",m_memsel[0],m_memsel[1],m_memsel[2],m_memsel[3]); } void a5105_state::a5105_upd765_w(uint8_t data) { m_floppy0->get_device()->mon_w(!BIT(data,0)); m_floppy1->get_device()->mon_w(!BIT(data,1)); m_floppy2->get_device()->mon_w(!BIT(data,2)); m_floppy3->get_device()->mon_w(!BIT(data,3)); m_fdc->tc_w(BIT(data, 4)); } void a5105_state::a5105_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x40, 0x41).m(m_fdc, FUNC(upd765a_device::map)); map(0x48, 0x4f).w(FUNC(a5105_state::a5105_upd765_w)); map(0x80, 0x83).rw("z80ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); map(0x90, 0x93).rw("z80pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); map(0x98, 0x99).rw(m_hgdc, FUNC(upd7220_device::read), FUNC(upd7220_device::write)); map(0x9c, 0x9c).w(FUNC(a5105_state::pcg_val_w)); // map(0x9d, 0x9d) crtc area (ff-based), palette routes here map(0x9e, 0x9e).w(FUNC(a5105_state::pcg_addr_w)); // map(0xa0, 0xa1) ay8910? map(0xa8, 0xa8).rw(FUNC(a5105_state::a5105_memsel_r), FUNC(a5105_state::a5105_memsel_w)); map(0xa9, 0xa9).r(FUNC(a5105_state::key_r)); map(0xaa, 0xaa).rw(FUNC(a5105_state::key_mux_r), FUNC(a5105_state::key_mux_w)); map(0xab, 0xab).w(FUNC(a5105_state::a5105_ab_w)); //misc output, see above } /* Input ports */ static INPUT_PORTS_START( a5105 ) PORT_START("KEY0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 =") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') 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("3 \\") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('\\') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 /") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/') PORT_START("KEY1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("< >") PORT_CODE(KEYCODE_COLON) PORT_CHAR('<') PORT_CHAR('>') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+ *") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('*') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xb6 \xc3\x96") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00f6) PORT_CHAR(0x00d6) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xa4 \xc3\x84") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(0x00e4) PORT_CHAR(0x00c4) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\xbc \xc3\x9c") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x00fc) PORT_CHAR(0x00dc) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("# ^") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('#') PORT_CHAR('^') PORT_START("KEY2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("' `") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\'') PORT_CHAR('`') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("? beta") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('?') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", ;") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';') PORT_BIT(0x08, 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("- _") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // appears to do nothing 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("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_START("KEY3") PORT_BIT(0x01, 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("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_START("KEY4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') 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("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') 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("KEY5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') 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("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_START("KEY6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) /* gives keyclick but does nothing */PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("GRAPH") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CODE") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_START("KEY7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("STOP") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SELECT") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_START("KEY8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_START("KEY9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_START("KEYA") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_START("UNUSED") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END void a5105_state::machine_reset() { a5105_ab_w(9); // turn motor off m_ram_base = (uint8_t*)m_ram->pointer(); m_rom_base = (uint8_t*)memregion("maincpu")->base(); membank("bank1")->set_base(m_rom_base); membank("bank2")->set_base(m_rom_base + 0x4000); membank("bank3")->set_base(m_ram_base); membank("bank4")->set_base(m_ram_base + 0x4000); } static const gfx_layout a5105_chars_8x8 = { 8,8, RGN_FRAC(1,1), 1, { 0 }, { 7, 6, 5, 4, 3, 2, 1, 0 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; static GFXDECODE_START( gfx_a5105 ) GFXDECODE_ENTRY( "pcg", 0x0000, a5105_chars_8x8, 0, 8 ) GFXDECODE_END void a5105_state::a5105_palette(palette_device &palette) const { for (int i = 0; i < 16; i++) { int const x = (i & 8) ? 0xaa : 0xff; int const r = (i & 4) ? x : 0x00; int const g = (i & 2) ? x : 0x00; int const b = (i & 1) ? x : 0x00; palette.set_pen_color(i, rgb_t(r, g, b)); } } void a5105_state::video_start() { // find memory regions m_char_ram = memregion("pcg")->base(); } void a5105_state::upd7220_map(address_map &map) { map.global_mask(0x1ffff); map(0x00000, 0x1ffff).ram().share("video_ram"); } FLOPPY_FORMATS_MEMBER( a5105_state::floppy_formats ) FLOPPY_A5105_FORMAT FLOPPY_FORMATS_END static void a5105_floppies(device_slot_interface &device) { device.option_add("525qd", FLOPPY_525_QD); } static const z80_daisy_config a5105_daisy_chain[] = { { "z80ctc" }, { "z80pio" }, { nullptr } }; void a5105_state::a5105(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(15'000'000) / 4); m_maincpu->set_addrmap(AS_PROGRAM, &a5105_state::a5105_mem); m_maincpu->set_addrmap(AS_IO, &a5105_state::a5105_io); m_maincpu->set_daisy_config(a5105_daisy_chain); /* video hardware */ SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_refresh_hz(50); m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ m_screen->set_screen_update("upd7220", FUNC(upd7220_device::screen_update)); m_screen->set_size(40*8, 32*8); m_screen->set_visarea(0, 40*8-1, 0, 25*8-1); GFXDECODE(config, m_gfxdecode, m_palette, gfx_a5105); PALETTE(config, m_palette, FUNC(a5105_state::a5105_palette), 16); /* sound hardware */ SPEAKER(config, "mono").front_center(); BEEP(config, "beeper", 500).add_route(ALL_OUTPUTS, "mono", 0.50); /* Devices */ UPD7220(config, m_hgdc, XTAL(15'000'000) / 16); // unk clock m_hgdc->set_addrmap(0, &a5105_state::upd7220_map); m_hgdc->set_display_pixels(FUNC(a5105_state::hgdc_display_pixels)); m_hgdc->set_draw_text(FUNC(a5105_state::hgdc_draw_text)); z80ctc_device& ctc(Z80CTC(config, "z80ctc", XTAL(15'000'000) / 4)); ctc.intr_callback().set_inputline(m_maincpu, 0); ctc.zc_callback<0>().set("z80ctc", FUNC(z80ctc_device::trg2)); ctc.zc_callback<2>().set("z80ctc", FUNC(z80ctc_device::trg3)); z80pio_device& pio(Z80PIO(config, "z80pio", XTAL(15'000'000) / 4)); pio.in_pb_callback().set(FUNC(a5105_state::pio_pb_r)); pio.out_int_callback().set_inputline(m_maincpu, 0); CASSETTE(config, m_cass); m_cass->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED); m_cass->add_route(ALL_OUTPUTS, "mono", 0.05); UPD765A(config, m_fdc, 8'000'000, true, true); FLOPPY_CONNECTOR(config, "upd765a:0", a5105_floppies, "525qd", a5105_state::floppy_formats); FLOPPY_CONNECTOR(config, "upd765a:1", a5105_floppies, "525qd", a5105_state::floppy_formats); FLOPPY_CONNECTOR(config, "upd765a:2", a5105_floppies, "525qd", a5105_state::floppy_formats); FLOPPY_CONNECTOR(config, "upd765a:3", a5105_floppies, "525qd", a5105_state::floppy_formats); /* internal ram */ RAM(config, RAM_TAG).set_default_size("64K"); } /* ROM definition */ ROM_START( a5105 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "k1505_00.rom", 0x0000, 0x8000, CRC(0ed5f556) SHA1(5c33139db9f59e50da5c76729752f8e653ae34ae)) ROM_LOAD( "k1505_80.rom", 0x8000, 0x2000, CRC(350e4958) SHA1(7e5b587c59676e8549561117ea0b70234f439a94)) ROM_REGION( 0x800, "pcg", ROMREGION_ERASE00 ) ROM_REGION( 0x4000, "k5651", ROMREGION_ERASEFF ) ROM_LOAD( "k5651_40.rom", 0x0000, 0x2000, CRC(f4ad4739) SHA1(9a7bbe6f0d180dd513c7854f441cee986c8d9765)) ROM_LOAD( "k5651_60.rom", 0x2000, 0x2000, CRC(c77dde3f) SHA1(7c16226be6c4c71013e8008fba9d2e9c5640b6a7)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1989, a5105, 0, 0, a5105, a5105, a5105_state, empty_init, "VEB Robotron", "BIC A5105", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)