summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/a5105.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/a5105.cpp')
-rw-r--r--src/mame/drivers/a5105.cpp624
1 files changed, 624 insertions, 0 deletions
diff --git a/src/mame/drivers/a5105.cpp b/src/mame/drivers/a5105.cpp
new file mode 100644
index 00000000000..03be992da60
--- /dev/null
+++ b/src/mame/drivers/a5105.cpp
@@ -0,0 +1,624 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese, Robbbert
+/***************************************************************************
+
+ A5105
+
+ 12/05/2009 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?
+
+
+ToDo:
+- Fix hang when it should scroll
+- Cassette Load (bit 7 of port 91)
+
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "video/upd7220.h"
+#include "machine/ram.h"
+#include "machine/upd765.h"
+#include "formats/a5105_dsk.h"
+#include "machine/z80ctc.h"
+#include "machine/z80pio.h"
+#include "imagedev/cassette.h"
+#include "imagedev/flopdrv.h"
+#include "sound/wave.h"
+#include "sound/beep.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_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")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<upd7220_device> m_hgdc;
+ required_device<cassette_image_device> m_cass;
+ required_device<beep_device> m_beep;
+ required_device<upd765a_device> m_fdc;
+ required_device<floppy_connector> m_floppy0;
+ required_device<floppy_connector> m_floppy1;
+ required_device<floppy_connector> m_floppy2;
+ required_device<floppy_connector> m_floppy3;
+
+ DECLARE_READ8_MEMBER(a5105_memsel_r);
+ DECLARE_READ8_MEMBER(key_r);
+ DECLARE_READ8_MEMBER(key_mux_r);
+ DECLARE_WRITE8_MEMBER(key_mux_w);
+ DECLARE_WRITE8_MEMBER(a5105_ab_w);
+ DECLARE_WRITE8_MEMBER(a5105_memsel_w);
+ DECLARE_WRITE8_MEMBER( a5105_upd765_w );
+ DECLARE_WRITE8_MEMBER(pcg_addr_w);
+ DECLARE_WRITE8_MEMBER(pcg_val_w);
+ required_shared_ptr<UINT16> m_video_ram;
+ UINT8 *m_ram_base;
+ UINT8 *m_rom_base;
+ UINT8 *m_char_ram;
+ UINT16 m_pcg_addr;
+ UINT16 m_pcg_internal_addr;
+ UINT8 m_key_mux;
+ UINT8 m_memsel[4];
+ virtual void machine_reset();
+ virtual void video_start();
+ DECLARE_PALETTE_INIT(a5105);
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+ required_device<ram_device> m_ram;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<palette_device> m_palette;
+ UPD7220_DISPLAY_PIXELS_MEMBER( hgdc_display_pixels );
+ UPD7220_DRAW_TEXT_LINE_MEMBER( hgdc_draw_text );
+};
+
+/* TODO */
+UPD7220_DISPLAY_PIXELS_MEMBER( a5105_state::hgdc_display_pixels )
+{
+ const rgb_t *palette = m_palette->palette()->entry_list_raw();
+
+ int xi,gfx;
+ UINT8 pen;
+
+ gfx = m_video_ram[(address & 0x1ffff) >> 1];
+
+ for(xi=0;xi<16;xi++)
+ {
+ pen = ((gfx >> xi) & 1) ? 7 : 0;
+
+ bitmap.pix32(y, x + xi) = palette[pen];
+ }
+}
+
+UPD7220_DRAW_TEXT_LINE_MEMBER( a5105_state::hgdc_draw_text )
+{
+ const rgb_t *palette = m_palette->palette()->entry_list_raw();
+ int x;
+ int xi,yi;
+ int tile,color;
+ UINT8 tile_data;
+
+ for( x = 0; x < pitch; x++ )
+ {
+ tile = (m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] & 0xff);
+ color = ((m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] >> 8) & 0x0f);
+
+ for( yi = 0; yi < lr; yi++)
+ {
+ tile_data = m_char_ram[(tile*8+yi) & 0x7ff];
+
+ if(cursor_on && cursor_addr == addr+x && machine().first_screen()->frame_number() & 0x10)
+ tile_data^=0xff;
+
+ for( xi = 0; xi < 8; xi++)
+ {
+ int res_x,res_y;
+ int pen = (tile_data >> xi) & 1 ? color : 0;
+
+ res_x = x * 8 + xi;
+ res_y = y + yi;
+
+ if(yi >= 8) { pen = 0; }
+
+ if(!machine().first_screen()->visible_area().contains(res_x+0, res_y))
+ continue;
+
+ bitmap.pix32(res_y, res_x) = palette[pen];
+ }
+ }
+ }
+}
+
+static ADDRESS_MAP_START(a5105_mem, AS_PROGRAM, 8, a5105_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x3fff) AM_READ_BANK("bank1")
+ AM_RANGE(0x4000, 0x7fff) AM_READ_BANK("bank2")
+ AM_RANGE(0x8000, 0xbfff) AM_READWRITE_BANK("bank3")
+ AM_RANGE(0xc000, 0xffff) AM_READWRITE_BANK("bank4")
+ADDRESS_MAP_END
+
+WRITE8_MEMBER( a5105_state::pcg_addr_w )
+{
+ m_pcg_addr = data << 3;
+ m_pcg_internal_addr = 0;
+}
+
+WRITE8_MEMBER( a5105_state::pcg_val_w )
+{
+ 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;
+}
+
+READ8_MEMBER( 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();
+}
+
+READ8_MEMBER( a5105_state::key_mux_r )
+{
+ return m_key_mux;
+}
+
+WRITE8_MEMBER( a5105_state::key_mux_w )
+{
+ /*
+ xxxx ---- unknown
+ ---- xxxx keyboard mux
+ */
+
+ m_key_mux = data;
+}
+
+WRITE8_MEMBER( a5105_state::a5105_ab_w )
+{
+/*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;
+ }
+}
+
+READ8_MEMBER( a5105_state::a5105_memsel_r )
+{
+ UINT8 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;
+}
+
+WRITE8_MEMBER( a5105_state::a5105_memsel_w )
+{
+ 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]);
+}
+
+WRITE8_MEMBER( a5105_state::a5105_upd765_w )
+{
+ 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));
+}
+
+static ADDRESS_MAP_START(a5105_io, AS_IO, 8, a5105_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x41) AM_DEVICE("upd765a", upd765a_device, map)
+ AM_RANGE(0x48, 0x4f) AM_WRITE(a5105_upd765_w)
+
+ AM_RANGE(0x80, 0x83) AM_DEVREADWRITE("z80ctc", z80ctc_device, read, write)
+ AM_RANGE(0x90, 0x93) AM_DEVREADWRITE("z80pio", z80pio_device, read, write)
+ AM_RANGE(0x98, 0x99) AM_DEVREADWRITE("upd7220", upd7220_device, read, write)
+
+ AM_RANGE(0x9c, 0x9c) AM_WRITE(pcg_val_w)
+// AM_RANGE(0x9d, 0x9d) crtc area (ff-based), palette routes here
+ AM_RANGE(0x9e, 0x9e) AM_WRITE(pcg_addr_w)
+
+// AM_RANGE(0xa0, 0xa1) ay8910?
+ AM_RANGE(0xa8, 0xa8) AM_READWRITE(a5105_memsel_r,a5105_memsel_w)
+ AM_RANGE(0xa9, 0xa9) AM_READ(key_r)
+ AM_RANGE(0xaa, 0xaa) AM_READWRITE(key_mux_r,key_mux_w)
+ AM_RANGE(0xab, 0xab) AM_WRITE(a5105_ab_w) //misc output, see above
+ADDRESS_MAP_END
+
+/* 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_NAME("Keypad ,") PORT_CODE(KEYCODE_ENTER_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()
+{
+ address_space &space = m_maincpu->space(AS_PROGRAM);
+ a5105_ab_w(space, 0, 9); // turn motor off
+ m_beep->set_frequency(500);
+
+ m_ram_base = (UINT8*)m_ram->pointer();
+ m_rom_base = (UINT8*)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( a5105 )
+ GFXDECODE_ENTRY( "pcg", 0x0000, a5105_chars_8x8, 0, 8 )
+GFXDECODE_END
+
+
+PALETTE_INIT_MEMBER(a5105_state, a5105)
+{
+ int i;
+ int r,g,b;
+
+ for ( i = 0; i < 16; i++ )
+ {
+ r = i & 4 ? ((i & 8) ? 0xaa : 0xff) : 0x00;
+ g = i & 2 ? ((i & 8) ? 0xaa : 0xff) : 0x00;
+ b = i & 1 ? ((i & 8) ? 0xaa : 0xff) : 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();
+}
+
+static ADDRESS_MAP_START( upd7220_map, AS_0, 16, a5105_state)
+ ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
+ AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
+ADDRESS_MAP_END
+
+FLOPPY_FORMATS_MEMBER( a5105_state::floppy_formats )
+ FLOPPY_A5105_FORMAT
+FLOPPY_FORMATS_END
+
+static SLOT_INTERFACE_START( a5105_floppies )
+ SLOT_INTERFACE( "525qd", FLOPPY_525_QD )
+SLOT_INTERFACE_END
+
+static const z80_daisy_config a5105_daisy_chain[] =
+{
+ { "z80ctc" },
+ { "z80pio" },
+ { NULL }
+};
+
+static MACHINE_CONFIG_START( a5105, a5105_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_15MHz / 4)
+ MCFG_CPU_PROGRAM_MAP(a5105_mem)
+ MCFG_CPU_IO_MAP(a5105_io)
+ MCFG_CPU_CONFIG(a5105_daisy_chain)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DEVICE("upd7220", upd7220_device, screen_update)
+ MCFG_SCREEN_SIZE(40*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(0, 40*8-1, 0, 25*8-1)
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", a5105)
+ MCFG_PALETTE_ADD("palette", 16)
+ MCFG_PALETTE_INIT_OWNER(a5105_state, a5105)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("beeper", BEEP, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ /* Devices */
+ MCFG_DEVICE_ADD("upd7220", UPD7220, XTAL_15MHz / 16) // unk clock
+ MCFG_DEVICE_ADDRESS_MAP(AS_0, upd7220_map)
+ MCFG_UPD7220_DISPLAY_PIXELS_CALLBACK_OWNER(a5105_state, hgdc_display_pixels)
+ MCFG_UPD7220_DRAW_TEXT_CALLBACK_OWNER(a5105_state, hgdc_draw_text)
+
+ MCFG_DEVICE_ADD("z80ctc", Z80CTC, XTAL_15MHz / 4)
+ MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", 0))
+ MCFG_Z80CTC_ZC0_CB(DEVWRITELINE("z80ctc", z80ctc_device, trg2))
+ MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("z80ctc", z80ctc_device, trg3))
+
+ MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_15MHz / 4)
+ MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", 0))
+
+ MCFG_CASSETTE_ADD( "cassette" )
+
+ MCFG_UPD765A_ADD("upd765a", true, true)
+ MCFG_FLOPPY_DRIVE_ADD("upd765a:0", a5105_floppies, "525qd", a5105_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("upd765a:1", a5105_floppies, "525qd", a5105_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("upd765a:2", a5105_floppies, "525qd", a5105_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("upd765a:3", a5105_floppies, "525qd", a5105_state::floppy_formats)
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("64K")
+MACHINE_CONFIG_END
+
+/* 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 INIT COMPANY FULLNAME FLAGS */
+COMP( 1989, a5105, 0, 0, a5105, a5105, driver_device, 0, "VEB Robotron", "BIC A5105", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)