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-rw-r--r--src/mess/drivers/myb3k.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/src/mess/drivers/myb3k.c b/src/mess/drivers/myb3k.c
deleted file mode 100644
index 96677868c1e..00000000000
--- a/src/mess/drivers/myb3k.c
+++ /dev/null
@@ -1,286 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Angelo Salese
-/***************************************************************************
-
- Matsushita / Panasonic My Brain 3000 / JB-3000
-
- preliminary driver by Angelo Salese
-
- TODO:
- - needs a working floppy image, fdc probably needs IRQ / DRQ lines
- hooked up.
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/i86/i86.h"
-#include "video/mc6845.h"
-#include "machine/wd_fdc.h"
-
-class myb3k_state : public driver_device
-{
-public:
- myb3k_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_fdc(*this, "fdc"),
- m_crtc(*this, "crtc"),
- m_floppy0(*this, "fdc:0:8dsdd"),
- m_floppy1(*this, "fdc:1:8dsdd"),
- m_p_vram(*this, "p_vram"),
- m_palette(*this, "palette") { }
-
- required_device<cpu_device> m_maincpu;
- required_device<mb8877_t> m_fdc;
- required_device<mc6845_device> m_crtc;
- required_device<floppy_image_device> m_floppy0;
- required_device<floppy_image_device> m_floppy1;
- DECLARE_WRITE8_MEMBER(myb3k_6845_address_w);
- DECLARE_WRITE8_MEMBER(myb3k_6845_data_w);
- DECLARE_WRITE8_MEMBER(myb3k_video_mode_w);
- DECLARE_WRITE8_MEMBER(myb3k_fdc_output_w);
- required_shared_ptr<UINT8> m_p_vram;
- required_device<palette_device> m_palette;
- UINT8 m_crtc_vreg[0x100],m_crtc_index;
- UINT8 m_vmode;
- virtual void machine_start();
- virtual void machine_reset();
- virtual void video_start();
- UINT32 screen_update_myb3k(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-};
-
-void myb3k_state::video_start()
-{
-}
-
-#define mc6845_h_char_total (m_crtc_vreg[0])
-#define mc6845_h_display (m_crtc_vreg[1])
-#define mc6845_h_sync_pos (m_crtc_vreg[2])
-#define mc6845_sync_width (m_crtc_vreg[3])
-#define mc6845_v_char_total (m_crtc_vreg[4])
-#define mc6845_v_total_adj (m_crtc_vreg[5])
-#define mc6845_v_display (m_crtc_vreg[6])
-#define mc6845_v_sync_pos (m_crtc_vreg[7])
-#define mc6845_mode_ctrl (m_crtc_vreg[8])
-#define mc6845_tile_height (m_crtc_vreg[9]+1)
-#define mc6845_cursor_y_start (m_crtc_vreg[0x0a])
-#define mc6845_cursor_y_end (m_crtc_vreg[0x0b])
-#define mc6845_start_addr (((m_crtc_vreg[0x0c]<<8) & 0x3f00) | (m_crtc_vreg[0x0d] & 0xff))
-#define mc6845_cursor_addr (((m_crtc_vreg[0x0e]<<8) & 0x3f00) | (m_crtc_vreg[0x0f] & 0xff))
-#define mc6845_light_pen_addr (((m_crtc_vreg[0x10]<<8) & 0x3f00) | (m_crtc_vreg[0x11] & 0xff))
-#define mc6845_update_addr (((m_crtc_vreg[0x12]<<8) & 0x3f00) | (m_crtc_vreg[0x13] & 0xff))
-
-
-UINT32 myb3k_state::screen_update_myb3k(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- int x,y;
- int xi,yi;
- int dot;
- int h_step;
-
- h_step = 64 >> (m_vmode & 3);
-
- //popmessage("%02x %d",m_vmode,h_step);
-
- for(y=0;y<mc6845_v_display;y++)
- {
- for(x=0;x<mc6845_h_display;x++)
- {
- /* 8x8 grid gfxs, weird format too ... */
- for(yi=0;yi<mc6845_tile_height;yi++)
- {
- for(xi=0;xi<8;xi++)
- {
- dot = (m_p_vram[(x+y*mc6845_h_display)*h_step+yi+0x8000] >> (7-xi)) & 1;
- if((yi & ~7 && (!(m_vmode & 4))) || (yi & ~0xf && (m_vmode & 4)))
- dot = 0;
-
- if(y*mc6845_tile_height+yi < 200 && x*8+xi < 320) /* TODO: safety check */
- bitmap.pix16(y*mc6845_tile_height+yi, x*8+xi) = m_palette->pen(dot);
- }
- }
- }
- }
-
- return 0;
-}
-
-WRITE8_MEMBER( myb3k_state::myb3k_6845_address_w )
-{
- m_crtc_index = data;
- m_crtc->address_w(space, offset, data);
-}
-
-WRITE8_MEMBER( myb3k_state::myb3k_6845_data_w )
-{
- m_crtc_vreg[m_crtc_index] = data;
- m_crtc->register_w(space, offset, data);
-}
-
-WRITE8_MEMBER( myb3k_state::myb3k_video_mode_w )
-{
- /* ---- -x-- interlace mode */
- /* ---- --xx horizontal step count (number of offsets of vram RAM data to skip, 64 >> n) */
-
- m_vmode = data;
-
-}
-WRITE8_MEMBER( myb3k_state::myb3k_fdc_output_w )
-{
- /* TODO: complete guesswork! (it just does a 0x24 -> 0x20 in there) */
- floppy_image_device *floppy = NULL;
-
- if (data & 1) floppy = m_floppy0;
- if (data & 2) floppy = m_floppy1;
-
- if (floppy)
- {
- floppy->mon_w(!(data & 4) ? 1: 0);
- floppy->ss_w((data & 0x10)>>4);
- }
-}
-
-static ADDRESS_MAP_START(myb3k_map, AS_PROGRAM, 8, myb3k_state)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x00000,0x7ffff) AM_RAM
- AM_RANGE(0x80000,0x8ffff) AM_NOP
- AM_RANGE(0xd0000,0xdffff) AM_RAM AM_SHARE("p_vram")
-// AM_RANGE(0xe0000,0xexxxx) option ROM board
- AM_RANGE(0xfc000,0xfffff) AM_ROM AM_REGION("ipl", 0)
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START(myb3k_io, AS_IO, 8, myb3k_state)
- ADDRESS_MAP_UNMAP_LOW
- AM_RANGE(0x01, 0x01) AM_READ_PORT("DSW1")
- AM_RANGE(0x03, 0x03) AM_WRITENOP
- AM_RANGE(0x04, 0x04) AM_WRITE(myb3k_video_mode_w)
- AM_RANGE(0x06, 0x06) AM_READ_PORT("DSW2")
- AM_RANGE(0x1c, 0x1c) AM_WRITE(myb3k_6845_address_w)
- AM_RANGE(0x1d, 0x1d) AM_WRITE(myb3k_6845_data_w)
- AM_RANGE(0x20, 0x23) AM_DEVREADWRITE("fdc", mb8877_t, read, write) //FDC, almost likely wd17xx
- AM_RANGE(0x24, 0x24) AM_WRITE(myb3k_fdc_output_w)
-// AM_RANGE(0x520,0x524) mirror of above
-ADDRESS_MAP_END
-
-/* Input ports */
-static INPUT_PORTS_START( myb3k )
- PORT_START("DSW1")
- PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) // - these two plays with the video modes
- PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) // /
- PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x80, 0x00, "FDC mapping" )
- PORT_DIPSETTING( 0x80, "0x520-0x524 range" )
- PORT_DIPSETTING( 0x00, "0x20-0x24 range" )
- PORT_START("DSW2")
- PORT_DIPNAME( 0x01, 0x01, "ROM information" )
- PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
-INPUT_PORTS_END
-
-
-void myb3k_state::machine_start()
-{
-}
-
-void myb3k_state::machine_reset()
-{
-}
-
-
-static const gfx_layout myb3k_charlayout =
-{
- 8, 8,
- 0x400,
- 1,
- { 0 },
- { STEP8(0,1) },
- { STEP8(0,8) },
- 8*8
-};
-
-static GFXDECODE_START( myb3k )
- GFXDECODE_ENTRY( "ipl", 0x0000, myb3k_charlayout, 0, 1 )
-GFXDECODE_END
-
-static SLOT_INTERFACE_START( myb3k_floppies )
- SLOT_INTERFACE( "525sssd", FLOPPY_525_SSSD )
- SLOT_INTERFACE( "8dsdd", FLOPPY_8_DSDD )
-SLOT_INTERFACE_END
-
-static MACHINE_CONFIG_START( myb3k, myb3k_state )
- /* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I8088, 4000000) /* unknown clock*/
- MCFG_CPU_PROGRAM_MAP(myb3k_map)
- MCFG_CPU_IO_MAP(myb3k_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_SIZE(320, 200)
- MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 200-1)
- MCFG_SCREEN_UPDATE_DRIVER(myb3k_state, screen_update_myb3k)
- MCFG_SCREEN_PALETTE("palette")
-
- MCFG_GFXDECODE_ADD("gfxdecode", "palette", myb3k)
- MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
-
- /* devices */
- MCFG_MC6845_ADD("crtc", H46505, "screen", XTAL_3_579545MHz/4) /* unknown clock, hand tuned to get ~60 fps */
- MCFG_MC6845_SHOW_BORDER_AREA(false)
- MCFG_MC6845_CHAR_WIDTH(8)
-
- MCFG_DEVICE_ADD("fdc", MB8877, 2000000) // unknown type
- MCFG_FLOPPY_DRIVE_ADD("fdc:0", myb3k_floppies, "8dsdd", floppy_image_device::default_floppy_formats)
- MCFG_FLOPPY_DRIVE_ADD("fdc:1", myb3k_floppies, "8dsdd", floppy_image_device::default_floppy_formats)
-MACHINE_CONFIG_END
-
-/* ROM definition */
-ROM_START( myb3k )
- ROM_REGION( 0x4000, "ipl", ROMREGION_ERASEFF )
- ROM_LOAD( "ipl.rom", 0x0000, 0x4000, CRC(64a864a1) SHA1(d3ccfd28f2938e71a26ae5a0085439a3265f60bf))
-ROM_END
-
-/* Driver */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1982, myb3k, 0, 0, myb3k, myb3k, driver_device, 0, "Panasonic", "MyBrain 3000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)