diff options
Diffstat (limited to 'src/mess/drivers/unixpc.c')
-rw-r--r-- | src/mess/drivers/unixpc.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/src/mess/drivers/unixpc.c b/src/mess/drivers/unixpc.c deleted file mode 100644 index 0372d6493d2..00000000000 --- a/src/mess/drivers/unixpc.c +++ /dev/null @@ -1,235 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Dirk Best -/*************************************************************************** - - AT&T Unix PC series - - Skeleton driver - - Note: The 68k core needs restartable instruction support for this - to have a chance to run. - -***************************************************************************/ - - -#include "emu.h" -#include "cpu/m68000/m68000.h" -#include "machine/ram.h" -#include "machine/wd_fdc.h" -#include "unixpc.lh" - - -/*************************************************************************** - DRIVER STATE -***************************************************************************/ - -class unixpc_state : public driver_device -{ -public: - unixpc_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_wd2797(*this, "wd2797"), - m_floppy(*this, "wd2797:0:525dd"), - m_mapram(*this, "mapram"), - m_videoram(*this, "videoram"){ } - - required_device<cpu_device> m_maincpu; - required_device<ram_device> m_ram; - required_device<wd2797_t> m_wd2797; - required_device<floppy_image_device> m_floppy; - - UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - virtual void machine_reset(); - - DECLARE_READ16_MEMBER( line_printer_r ); - DECLARE_WRITE16_MEMBER( misc_control_w ); - DECLARE_WRITE16_MEMBER( disk_control_w ); - DECLARE_WRITE16_MEMBER( romlmap_w ); - - DECLARE_WRITE_LINE_MEMBER( wd2797_intrq_w ); - DECLARE_WRITE_LINE_MEMBER( wd2797_drq_w ); - - required_shared_ptr<UINT16> m_mapram; - required_shared_ptr<UINT16> m_videoram; -}; - - -/*************************************************************************** - MEMORY -***************************************************************************/ - -WRITE16_MEMBER( unixpc_state::romlmap_w ) -{ - if (BIT(data, 15)) - space.install_ram(0x000000, 0x3fffff, m_ram->pointer()); - else - space.install_rom(0x000000, 0x3fffff, memregion("bootrom")->base()); -} - -void unixpc_state::machine_reset() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - - // force ROM into lower mem on reset - romlmap_w(program, 0, 0, 0xffff); - - // reset cpu so that it can pickup the new values - m_maincpu->reset(); -} - - -/*************************************************************************** - MISC -***************************************************************************/ - -READ16_MEMBER( unixpc_state::line_printer_r ) -{ - UINT16 data = 0; - - data |= 1; // no dial tone detected - data |= 1 << 1; // no parity error - data |= 0 << 2; // hdc intrq - data |= m_wd2797->intrq_r() << 3; - - logerror("line_printer_r: %04x\n", data); - - return data; -} - -WRITE16_MEMBER( unixpc_state::misc_control_w ) -{ - logerror("misc_control_w: %04x\n", data); - - output_set_value("led_0", !BIT(data, 8)); - output_set_value("led_1", !BIT(data, 9)); - output_set_value("led_2", !BIT(data, 10)); - output_set_value("led_3", !BIT(data, 11)); -} - - -/*************************************************************************** - FLOPPY -***************************************************************************/ - -WRITE16_MEMBER( unixpc_state::disk_control_w ) -{ - logerror("disk_control_w: %04x\n", data); - - m_floppy->mon_w(!BIT(data, 5)); - - // bit 6 = floppy selected / not selected - if (BIT(data, 6)) - m_wd2797->set_floppy(m_floppy); - else - m_wd2797->set_floppy(NULL); -} - -WRITE_LINE_MEMBER( unixpc_state::wd2797_intrq_w ) -{ - logerror("wd2797_intrq_w: %d\n", state); -} - -WRITE_LINE_MEMBER( unixpc_state::wd2797_drq_w ) -{ - logerror("wd2797_drq_w: %d\n", state); -} - - -/*************************************************************************** - VIDEO -***************************************************************************/ - -UINT32 unixpc_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - for (int y = 0; y < 348; y++) - for (int x = 0; x < 720/16; x++) - for (int b = 0; b < 16; b++) - bitmap.pix16(y, x * 16 + b) = BIT(m_videoram[y * (720/16) + x], b); - - return 0; -} - - -/*************************************************************************** - ADDRESS MAPS -***************************************************************************/ - -static ADDRESS_MAP_START( unixpc_mem, AS_PROGRAM, 16, unixpc_state ) - AM_RANGE(0x000000, 0x3fffff) AM_RAMBANK("bank1") - AM_RANGE(0x400000, 0x4007ff) AM_RAM AM_SHARE("mapram") - AM_RANGE(0x420000, 0x427fff) AM_RAM AM_SHARE("videoram") - AM_RANGE(0x470000, 0x470001) AM_READ(line_printer_r) - AM_RANGE(0x4a0000, 0x4a0001) AM_WRITE(misc_control_w) - AM_RANGE(0x4e0000, 0x4e0001) AM_WRITE(disk_control_w) - AM_RANGE(0x800000, 0xbfffff) AM_MIRROR(0x7fc000) AM_ROM AM_REGION("bootrom", 0) - AM_RANGE(0xe10000, 0xe10007) AM_DEVREADWRITE8("wd2797", wd_fdc_t, read, write, 0x00ff) - AM_RANGE(0xe43000, 0xe43001) AM_WRITE(romlmap_w) -ADDRESS_MAP_END - - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -static INPUT_PORTS_START( unixpc ) -INPUT_PORTS_END - - -/*************************************************************************** - MACHINE DRIVERS -***************************************************************************/ - -static SLOT_INTERFACE_START( unixpc_floppies ) - SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) -SLOT_INTERFACE_END - -static MACHINE_CONFIG_START( unixpc, unixpc_state ) - // basic machine hardware - MCFG_CPU_ADD("maincpu", M68010, XTAL_10MHz) - MCFG_CPU_PROGRAM_MAP(unixpc_mem) - - // video hardware - MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_UPDATE_DRIVER(unixpc_state, screen_update) - MCFG_SCREEN_RAW_PARAMS(XTAL_20MHz, 896, 0, 720, 367, 0, 348) - MCFG_SCREEN_PALETTE("palette") - // vsync should actually last 17264 pixels - - MCFG_DEFAULT_LAYOUT(layout_unixpc) - - MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") - - // internal ram - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("1M") - MCFG_RAM_EXTRA_OPTIONS("2M") - - // floppy - MCFG_DEVICE_ADD("wd2797", WD2797, 1000000) - MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(unixpc_state, wd2797_intrq_w)) - MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(unixpc_state, wd2797_drq_w)) - MCFG_FLOPPY_DRIVE_ADD("wd2797:0", unixpc_floppies, "525dd", floppy_image_device::default_floppy_formats) -MACHINE_CONFIG_END - - -/*************************************************************************** - ROM DEFINITIONS -***************************************************************************/ - -// ROMs were provided by Michael Lee und imaged by Philip Pemberton -ROM_START( 3b1 ) - ROM_REGION16_BE(0x400000, "bootrom", 0) - ROM_LOAD16_BYTE("72-00617.15c", 0x000000, 0x002000, CRC(4e93ff40) SHA1(1a97c8d32ec862f7f5fa1032f1688b76ea0672cc)) - ROM_LOAD16_BYTE("72-00616.14c", 0x000001, 0x002000, CRC(c61f7ae0) SHA1(ab3ac29935a2a587a083c4d175a5376badd39058)) -ROM_END - - -/*************************************************************************** - GAME DRIVERS -***************************************************************************/ - -// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS -COMP( 1985, 3b1, 0, 0, unixpc, unixpc, driver_device, 0, "AT&T", "3B1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) |