diff options
Diffstat (limited to 'src/mess/drivers/mz6500.c')
-rw-r--r-- | src/mess/drivers/mz6500.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/mess/drivers/mz6500.c b/src/mess/drivers/mz6500.c deleted file mode 100644 index 31e9a2ee917..00000000000 --- a/src/mess/drivers/mz6500.c +++ /dev/null @@ -1,180 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - Sharp MZ-6500 - - - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i86/i86.h" -#include "machine/upd765.h" -#include "video/upd7220.h" - -class mz6500_state : public driver_device -{ -public: - mz6500_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_hgdc(*this, "upd7220"), - m_fdc(*this, "upd765"), - m_video_ram(*this, "video_ram"), - m_maincpu(*this, "maincpu"), - m_palette(*this, "palette") { } - - required_device<upd7220_device> m_hgdc; - required_device<upd765a_device> m_fdc; - DECLARE_READ8_MEMBER(mz6500_vram_r); - DECLARE_WRITE8_MEMBER(mz6500_vram_w); - void fdc_irq(bool state); - void fdc_drq(bool state); - required_shared_ptr<UINT16> m_video_ram; - virtual void machine_reset(); - virtual void video_start(); - required_device<cpu_device> m_maincpu; - required_device<palette_device> m_palette; - UPD7220_DISPLAY_PIXELS_MEMBER( hgdc_display_pixels ); -}; - -UPD7220_DISPLAY_PIXELS_MEMBER( mz6500_state::hgdc_display_pixels ) -{ - const rgb_t *palette = m_palette->palette()->entry_list_raw(); - int gfx[3]; - UINT8 i,pen; - - gfx[0] = m_video_ram[(address + 0x00000) >> 1]; - gfx[1] = m_video_ram[(address + 0x10000) >> 1]; - gfx[2] = m_video_ram[(address + 0x20000) >> 1]; - - for(i=0; i<16; i++) - { - pen = (BIT(gfx[0], i)) | (BIT(gfx[1], i) << 1) | (BIT(gfx[2], i) << 2); - - bitmap.pix32(y, x + i) = palette[pen]; - } -} - - -void mz6500_state::video_start() -{ -} - - -READ8_MEMBER( mz6500_state::mz6500_vram_r ) -{ - return m_video_ram[offset >> 1] >> ((offset & 1) ? 8 : 0); -} - -WRITE8_MEMBER( mz6500_state::mz6500_vram_w ) -{ - int mask = (offset & 1) ? 8 : 0; - offset >>= 1; - m_video_ram[offset] &= 0xff00 >> mask; - m_video_ram[offset] |= data << mask; -} - -static ADDRESS_MAP_START(mz6500_map, AS_PROGRAM, 16, mz6500_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x00000,0x9ffff) AM_RAM -// AM_RANGE(0xa0000,0xbffff) kanji/dictionary ROM - AM_RANGE(0xc0000,0xeffff) AM_READWRITE8(mz6500_vram_r,mz6500_vram_w,0xffff) - AM_RANGE(0xfc000,0xfffff) AM_ROM AM_REGION("ipl", 0) -ADDRESS_MAP_END - -static ADDRESS_MAP_START(mz6500_io, AS_IO, 16, mz6500_state) - ADDRESS_MAP_UNMAP_HIGH -// AM_RANGE(0x0000, 0x000f) i8237 dma -// AM_RANGE(0x0010, 0x001f) i8255 - AM_RANGE(0x0020, 0x0021) AM_MIRROR(0xe) AM_DEVICE8("upd765", upd765a_device, map, 0xffff) -// AM_RANGE(0x0030, 0x003f) i8259 master -// AM_RANGE(0x0040, 0x004f) i8259 slave -// AM_RANGE(0x0050, 0x0050) segment byte for DMA -// AM_RANGE(0x0060, 0x0060) system port A -// AM_RANGE(0x0070, 0x0070) system port C -// AM_RANGE(0x00cd, 0x00cd) MZ-1R32 - AM_RANGE(0x0100, 0x0103) AM_MIRROR(0xc) AM_DEVREADWRITE8("upd7220", upd7220_device, read, write, 0x00ff) -// AM_RANGE(0x0110, 0x011f) video address / data registers (priority) -// AM_RANGE(0x0120, 0x012f) video registers -// AM_RANGE(0x0130, 0x013f) video register -// AM_RANGE(0x0140, 0x015f) palette pens -// AM_RANGE(0x0200, 0x020f) z80sio -// AM_RANGE(0x0210, 0x021f) z80ctc -// AM_RANGE(0x0220, 0x022f) rp5c01 -// AM_RANGE(0x0230, 0x023f) ay-3-8912 -// AM_RANGE(0x0240, 0x0240) z80ctc vector ack -// AM_RANGE(0x0250, 0x0250) z80sio vector ack -// AM_RANGE(0x0270, 0x0270) system port B -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( mz6500 ) -INPUT_PORTS_END - - -void mz6500_state::machine_reset() -{ -} - -void mz6500_state::fdc_irq(bool state) -{ - //printf("%02x IRQ\n",state); -} - -void mz6500_state::fdc_drq(bool state) -{ - //printf("%02x DRQ\n",state); -} - -static SLOT_INTERFACE_START( mz6500_floppies ) - SLOT_INTERFACE( "525hd", FLOPPY_525_HD ) -SLOT_INTERFACE_END - -static ADDRESS_MAP_START( upd7220_map, AS_0, 16, mz6500_state ) - AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram") -ADDRESS_MAP_END - - -static MACHINE_CONFIG_START( mz6500, mz6500_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", I8086, 8000000) //unk clock - MCFG_CPU_PROGRAM_MAP(mz6500_map) - MCFG_CPU_IO_MAP(mz6500_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_UPDATE_DEVICE("upd7220", upd7220_device, screen_update) - MCFG_SCREEN_SIZE(640, 480) - MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) - MCFG_PALETTE_ADD("palette", 8) - - /* Devices */ - MCFG_DEVICE_ADD("upd7220", UPD7220, 8000000/6) // unk clock - MCFG_DEVICE_ADDRESS_MAP(AS_0, upd7220_map) - MCFG_UPD7220_DISPLAY_PIXELS_CALLBACK_OWNER(mz6500_state, hgdc_display_pixels) - - MCFG_UPD765A_ADD("upd765", true, true) - MCFG_FLOPPY_DRIVE_ADD("upd765:0", mz6500_floppies, "525hd", floppy_image_device::default_floppy_formats) - MCFG_FLOPPY_DRIVE_ADD("upd765:1", mz6500_floppies, "525hd", floppy_image_device::default_floppy_formats) -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( mz6500 ) - ROM_REGION( 0x4000, "ipl", ROMREGION_ERASEFF ) - ROM_LOAD( "ipl.rom", 0x0000, 0x4000,CRC(6c978ac4) SHA1(7872d7e6d9cda2ed9f47ed4833a5caa4dfe0e55c)) - - ROM_REGION( 0x40000, "dictionary", ROMREGION_ERASEFF ) - ROM_LOAD( "dict.rom", 0x0000, 0x40000, CRC(2df3cfd3) SHA1(d420ede09658c2626b0bb650a063d88b1783e554)) - - ROM_REGION( 0x40000, "kanji", ROMREGION_ERASEFF ) - ROM_LOAD( "kanji.rom", 0x0000, 0x40000, CRC(b618e25d) SHA1(1da93337fecde6c0f8a5bd68f3f0b3222a38d63e)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 198?, mz6500, 0, 0, mz6500, mz6500, driver_device, 0, "Sharp", "MZ-6500", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |