diff options
Diffstat (limited to 'src/mess/drivers/ms0515.c')
-rw-r--r-- | src/mess/drivers/ms0515.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/mess/drivers/ms0515.c b/src/mess/drivers/ms0515.c new file mode 100644 index 00000000000..5b623892c40 --- /dev/null +++ b/src/mess/drivers/ms0515.c @@ -0,0 +1,291 @@ +/*************************************************************************** + + Elektronika MS-0515 + + 06/08/2012 Skeleton driver. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/t11/t11.h" +#include "machine/wd17xx.h" +#include "imagedev/flopdrv.h" +#include "formats/basicdsk.h" +#include "machine/ram.h" +#include "machine/i8255.h" + +class ms0515_state : public driver_device +{ +public: + ms0515_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu") + { } + + required_device<cpu_device> m_maincpu; + + DECLARE_WRITE16_MEMBER(ms0515_bank_w); + DECLARE_WRITE8_MEMBER(ms0515_sys_w); + + virtual void machine_reset(); + + UINT8 *m_video_ram; + UINT8 m_sysreg; + int m_blink; +}; + +static ADDRESS_MAP_START(ms0515_mem, AS_PROGRAM, 16, ms0515_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0000000, 0017777) AM_RAMBANK("bank0") // RAM + AM_RANGE(0020000, 0037777) AM_RAMBANK("bank1") // RAM + AM_RANGE(0040000, 0057777) AM_RAMBANK("bank2") // RAM + AM_RANGE(0060000, 0077777) AM_RAMBANK("bank3") // RAM + AM_RANGE(0100000, 0117777) AM_RAMBANK("bank4") // RAM + AM_RANGE(0120000, 0137777) AM_RAMBANK("bank5") // RAM + AM_RANGE(0140000, 0157777) AM_RAMBANK("bank6") // RAM + + AM_RANGE(0160000, 0177377) AM_ROM + + AM_RANGE(0177400, 0177437) AM_WRITE(ms0515_bank_w) // Register for RAM expansion + + //AM_RANGE(0177440, 0177441) // read data + //AM_RANGE(0177460, 0177461) // write data Elektronika MS-7004 Keyboard + //AM_RANGE(0177442, 0177443) // read + //AM_RANGE(0177462, 0177463) // write + + //AM_RANGE(0177500, 0177501) + //AM_RANGE(0177502, 0177503) + //AM_RANGE(0177504, 0177505) // i8253 + //AM_RANGE(0177506, 0177507) + + //AM_RANGE(0177540, 0177541) + //AM_RANGE(0177542, 0177543) + //AM_RANGE(0177544, 0177545) // i8255 for MS-7007 Keyboard + //AM_RANGE(0177546, 0177547) + + AM_RANGE(0177600, 0177607) AM_DEVREADWRITE8("ppi8255_1", i8255_device, read, write, 0x00ff) + + AM_RANGE(0177640, 0177641) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_status_r, wd17xx_command_w,0x00ff) + AM_RANGE(0177642, 0177643) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_track_r, wd17xx_track_w,0x00ff) + AM_RANGE(0177644, 0177645) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_sector_r, wd17xx_sector_w,0x00ff) + AM_RANGE(0177646, 0177647) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_data_r, wd17xx_data_w,0x00ff) + + //AM_RANGE(0177700, 0177701) // read data + //AM_RANGE(0177720, 0177721) // write data // protocol S2 + //AM_RANGE(0177702, 0177703) // read status + //AM_RANGE(0177722, 0177723) // write control + + //AM_RANGE(0177770, 0177771) // read/write +ADDRESS_MAP_END + +WRITE16_MEMBER(ms0515_state::ms0515_bank_w) +{ + UINT8 *ram = machine().device<ram_device>(RAM_TAG)->pointer(); + membank("bank0")->set_base(ram + 0000000 + BIT(data,0) * 0160000); + membank("bank1")->set_base(ram + 0020000 + BIT(data,1) * 0160000); + membank("bank2")->set_base(ram + 0040000 + BIT(data,2) * 0160000); + membank("bank3")->set_base(ram + 0060000 + BIT(data,3) * 0160000); + membank("bank4")->set_base(ram + 0100000 + BIT(data,4) * 0160000); + membank("bank5")->set_base(ram + 0120000 + BIT(data,5) * 0160000); + membank("bank6")->set_base(ram + 0140000 + BIT(data,6) * 0160000); + if (BIT(data,7)) { + switch((data >> 10) % 3) + { + case 0: // 000000 - 037777 + membank("bank0")->set_base(ram + 0000000 + 0340000); + membank("bank1")->set_base(ram + 0020000 + 0340000); + break; + case 1: // 040000 - 077777 + membank("bank2")->set_base(ram + 0000000 + 0340000); + membank("bank3")->set_base(ram + 0020000 + 0340000); + break; + case 2: + case 3: // 100000 - 137777 + membank("bank4")->set_base(ram + 0000000 + 0340000); + membank("bank5")->set_base(ram + 0020000 + 0340000); + break; + } + } +} + +WRITE8_MEMBER(ms0515_state::ms0515_sys_w) +{ + m_sysreg = data; +} + +void ms0515_state::machine_reset() +{ + UINT8 *ram = machine().device<ram_device>(RAM_TAG)->pointer(); + ms0515_bank_w(*machine().memory().first_space(),0,0); + + m_video_ram = ram + 0000000 + 0340000; + m_blink = 0; + + floppy_mon_w(machine().device(FLOPPY_0), 0); // turn it on +} + +/* Input ports */ +static INPUT_PORTS_START( ms0515 ) +INPUT_PORTS_END + +static const struct t11_setup ms0515_data = +{ + 0xf2ff +}; + +static const wd17xx_interface ms0515_wd17xx_interface = +{ + DEVCB_LINE_VCC, + DEVCB_NULL, + DEVCB_NULL, + { FLOPPY_0, NULL, NULL, NULL } +}; + + +static LEGACY_FLOPPY_OPTIONS_START(ms0515) + LEGACY_FLOPPY_OPTION(ms0515, "dsk", "MS0515 disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, + HEADS([1]) + TRACKS([80]) + SECTORS([10]) + SECTOR_LENGTH([512]) + FIRST_SECTOR_ID([0])) +LEGACY_FLOPPY_OPTIONS_END + +static const floppy_interface ms0515_floppy_interface = +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + FLOPPY_STANDARD_5_25_DSHD, + LEGACY_FLOPPY_OPTIONS_NAME(ms0515), + NULL, + NULL +}; + +static SCREEN_UPDATE_IND16( ms0515 ) +{ + ms0515_state *state = screen.machine().driver_data<ms0515_state>(); + int y, x, b; + int addr = 0; + if (BIT(state->m_sysreg,3)) { + for (y = 0; y < 200; y++) + { + int horpos = 0; + for (x = 0; x < 40; x++) + { + UINT16 code = (state->m_video_ram[addr++] << 8); + code += state->m_video_ram[addr++]; + for (b = 0; b < 16; b++) + { + // In lower res mode we will just double pixels + bitmap.pix16(y, horpos++) = ((code >> (15-b)) & 0x01) ? 0 : 7; + } + } + } + } else { + for (y = 0; y < 200; y++) + { + int horpos = 0; + for (x = 0; x < 40; x++) + { + UINT8 code = state->m_video_ram[addr++]; + UINT8 attr = state->m_video_ram[addr++]; + UINT8 fg = (attr & 7) + BIT(attr,6)*8; + UINT8 bg = ((attr >> 3) & 7) + BIT(attr,6)*8; + if (BIT(attr,7) && (state->m_blink == 20)) { + UINT8 tmp = fg; + fg = bg; bg = tmp; + state->m_blink = -1; + } + for (b = 0; b < 8; b++) + { + // In lower res mode we will just double pixels + bitmap.pix16(y, horpos++) = ((code >> (7-b)) & 0x01) ? fg : bg; + bitmap.pix16(y, horpos++) = ((code >> (7-b)) & 0x01) ? fg : bg; + } + } + } + } + state->m_blink++; + return 0; +} + +static PALETTE_INIT( ms0515 ) +{ + palette_set_color(machine, 0, MAKE_RGB(0, 0, 0)); + palette_set_color(machine, 1, MAKE_RGB(0, 0, 127)); + palette_set_color(machine, 2, MAKE_RGB(127, 0, 0)); + palette_set_color(machine, 3, MAKE_RGB(127, 0, 127)); + palette_set_color(machine, 4, MAKE_RGB(0, 127, 0)); + palette_set_color(machine, 5, MAKE_RGB(0, 127, 127)); + palette_set_color(machine, 6, MAKE_RGB(127, 127, 0)); + palette_set_color(machine, 7, MAKE_RGB(127, 127, 127)); + + palette_set_color(machine, 8, MAKE_RGB(127, 127, 127)); + palette_set_color(machine, 9, MAKE_RGB(127, 127, 255)); + palette_set_color(machine, 10, MAKE_RGB(255, 127, 127)); + palette_set_color(machine, 11, MAKE_RGB(255, 127, 255)); + palette_set_color(machine, 12, MAKE_RGB(127, 255, 127)); + palette_set_color(machine, 13, MAKE_RGB(127, 255, 255)); + palette_set_color(machine, 14, MAKE_RGB(255, 255, 127)); + palette_set_color(machine, 15, MAKE_RGB(255, 255, 255)); +} + +static WRITE8_DEVICE_HANDLER(ms0515_portc_w) +{ + ms0515_state *state = device->machine().driver_data<ms0515_state>(); + state->m_sysreg = data; +} +I8255A_INTERFACE( ms0515_ppi8255_interface_1 ) +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_HANDLER(ms0515_portc_w) +}; + +static MACHINE_CONFIG_START( ms0515, ms0515_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz) // Need proper CPU here + MCFG_CPU_CONFIG(ms0515_data) + MCFG_CPU_PROGRAM_MAP(ms0515_mem) + + MCFG_FD1793_ADD( "vg93", ms0515_wd17xx_interface ) + + MCFG_LEGACY_FLOPPY_DRIVE_ADD(FLOPPY_0, ms0515_floppy_interface) + + /* 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(640, 200) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 200-1) + MCFG_SCREEN_UPDATE_STATIC(ms0515) + + MCFG_PALETTE_LENGTH(16) + MCFG_PALETTE_INIT(ms0515) + + MCFG_I8255_ADD( "ppi8255_1", ms0515_ppi8255_interface_1 ) + //MCFG_I8255_ADD( "ppi8255_2", ms0515_ppi8255_interface_2 ) + + /* internal ram */ + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("128K") +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( ms0515 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "7004l.bin", 0xc000, 0x2000, CRC(b08b3b73) SHA1(c12fd4672598cdf499656dcbb4118d787769d589)) + ROM_LOAD16_BYTE( "7004h.bin", 0xc001, 0x2000, CRC(515dcf99) SHA1(edd34300fd642c89ce321321e1b12493cd16b7a5)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( ????, ms0515, 0, 0, ms0515, ms0515, driver_device, 0, "Elektronika", "MS-0515", GAME_NOT_WORKING | GAME_NO_SOUND) + |