diff options
Diffstat (limited to 'src/mame/drivers/mz6500.cpp')
-rw-r--r-- | src/mame/drivers/mz6500.cpp | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/src/mame/drivers/mz6500.cpp b/src/mame/drivers/mz6500.cpp deleted file mode 100644 index 84ca1562b27..00000000000 --- a/src/mame/drivers/mz6500.cpp +++ /dev/null @@ -1,194 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - Sharp MZ-6500 - - - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i86/i86.h" -#include "imagedev/floppy.h" -#include "machine/upd765.h" -#include "video/upd7220.h" -#include "emupal.h" -#include "screen.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") { } - - void mz6500(machine_config &config); - -private: - 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_t> m_video_ram; - virtual void machine_reset() override; - virtual void video_start() override; - required_device<cpu_device> m_maincpu; - required_device<palette_device> m_palette; - UPD7220_DISPLAY_PIXELS_MEMBER( hgdc_display_pixels ); - void mz6500_io(address_map &map); - void mz6500_map(address_map &map); - void upd7220_map(address_map &map); -}; - -UPD7220_DISPLAY_PIXELS_MEMBER( mz6500_state::hgdc_display_pixels ) -{ - const rgb_t *palette = m_palette->palette()->entry_list_raw(); - int gfx[3]; - uint8_t 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; -} - -void mz6500_state::mz6500_map(address_map &map) -{ - map.unmap_value_high(); - map(0x00000, 0x9ffff).ram(); -// map(0xa0000,0xbffff) kanji/dictionary ROM - map(0xc0000, 0xeffff).rw(FUNC(mz6500_state::mz6500_vram_r), FUNC(mz6500_state::mz6500_vram_w)); - map(0xfc000, 0xfffff).rom().region("ipl", 0); -} - -void mz6500_state::mz6500_io(address_map &map) -{ - map.unmap_value_high(); -// map(0x0000, 0x000f) i8237 dma -// map(0x0010, 0x001f) i8255 - map(0x0020, 0x0021).mirror(0xe).m(m_fdc, FUNC(upd765a_device::map)); -// map(0x0030, 0x003f) i8259 master -// map(0x0040, 0x004f) i8259 slave -// map(0x0050, 0x0050) segment byte for DMA -// map(0x0060, 0x0060) system port A -// map(0x0070, 0x0070) system port C -// map(0x00cd, 0x00cd) MZ-1R32 - map(0x0100, 0x0103).mirror(0xc).rw(m_hgdc, FUNC(upd7220_device::read), FUNC(upd7220_device::write)).umask16(0x00ff); -// map(0x0110, 0x011f) video address / data registers (priority) -// map(0x0120, 0x012f) video registers -// map(0x0130, 0x013f) video register -// map(0x0140, 0x015f) palette pens -// map(0x0200, 0x020f) z80sio -// map(0x0210, 0x021f) z80ctc -// map(0x0220, 0x022f) rp5c01 -// map(0x0230, 0x023f) ay-3-8912 -// map(0x0240, 0x0240) z80ctc vector ack -// map(0x0250, 0x0250) z80sio vector ack -// map(0x0270, 0x0270) system port B -} - -/* 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 void mz6500_floppies(device_slot_interface &device) -{ - device.option_add("525hd", FLOPPY_525_HD); -} - -void mz6500_state::upd7220_map(address_map &map) -{ - map(0x00000, 0x3ffff).ram().share("video_ram"); -} - - -void mz6500_state::mz6500(machine_config &config) -{ - /* basic machine hardware */ - I8086(config, m_maincpu, 8000000); //unk clock - m_maincpu->set_addrmap(AS_PROGRAM, &mz6500_state::mz6500_map); - m_maincpu->set_addrmap(AS_IO, &mz6500_state::mz6500_io); - - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(50); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - screen.set_screen_update("upd7220", FUNC(upd7220_device::screen_update)); - screen.set_size(640, 480); - screen.set_visarea(0, 640-1, 0, 480-1); - PALETTE(config, "palette").set_entries(8); - - /* Devices */ - UPD7220(config, m_hgdc, 8000000/6); // unk clock - m_hgdc->set_addrmap(0, &mz6500_state::upd7220_map); - m_hgdc->set_display_pixels(FUNC(mz6500_state::hgdc_display_pixels)); - - UPD765A(config, m_fdc, 8000000, true, true); - FLOPPY_CONNECTOR(config, "upd765:0", mz6500_floppies, "525hd", floppy_image_device::default_floppy_formats); - FLOPPY_CONNECTOR(config, "upd765:1", mz6500_floppies, "525hd", floppy_image_device::default_floppy_formats); -} - -/* ROM definition */ -ROM_START( mz6500 ) - ROM_REGION16_LE( 0x4000, "ipl", ROMREGION_ERASEFF ) - ROM_LOAD( "ipl.rom", 0x0000, 0x4000,CRC(6c978ac4) SHA1(7872d7e6d9cda2ed9f47ed4833a5caa4dfe0e55c)) - - ROM_REGION16_LE( 0x40000, "dictionary", ROMREGION_ERASEFF ) - ROM_LOAD( "dict.rom", 0x0000, 0x40000, CRC(2df3cfd3) SHA1(d420ede09658c2626b0bb650a063d88b1783e554)) - - ROM_REGION16_LE( 0x40000, "kanji", ROMREGION_ERASEFF ) - ROM_LOAD( "kanji.rom", 0x0000, 0x40000, CRC(b618e25d) SHA1(1da93337fecde6c0f8a5bd68f3f0b3222a38d63e)) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 198?, mz6500, 0, 0, mz6500, mz6500, mz6500_state, empty_init, "Sharp", "MZ-6500", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |