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https://github.com/holub/mame
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Fixed colors,visible area and soft resets in the Magic Card 68k version [Angelo Salese]
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Angelo Salese
parent
9c08869a62
commit
355d1124c4
@ -59,17 +59,16 @@ TODO:
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Chances are that the inputs are located in a RAM-based fashion,similar of the
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way used by spool99 (probably the latter copied from this one). -AS
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-Fix properly the starting vectors;
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-Colors;
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-Inputs;
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-Sound;
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-Unknown sound chip (but seems to be a ym-something with 8-bits wide as
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control port);
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-Visible Area;
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-Clone romset magicrda not checked at all;
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-Protection,especially in magicrda;
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-Many unknown memory maps;
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*******************************************************************************/
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@ -79,6 +78,7 @@ TODO:
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#include "driver.h"
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#include "cpu/m68000/m68000.h"
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#include "sound/2413intf.h"
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static UINT16 *magicram;
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static UINT16 *blit_ram;
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@ -117,6 +117,7 @@ static VIDEO_UPDATE(magicard)
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count++;
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}
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}
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return 0;
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}
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@ -130,16 +131,59 @@ static READ16_HANDLER( test_r )
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return mame_rand(space->machine);
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}
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static WRITE16_HANDLER( paletteram_io_w )
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{
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static int pal_offs,r,g,b,internal_pal_offs;
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switch(offset*2)
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{
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case 0:
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pal_offs = data;
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break;
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case 4:
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internal_pal_offs = 0;
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break;
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case 2:
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switch(internal_pal_offs)
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{
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case 0:
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r = ((data & 0x3f) << 2) | ((data & 0x30) >> 4);
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internal_pal_offs++;
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break;
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case 1:
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g = ((data & 0x3f) << 2) | ((data & 0x30) >> 4);
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internal_pal_offs++;
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break;
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case 2:
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b = ((data & 0x3f) << 2) | ((data & 0x30) >> 4);
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palette_set_color(space->machine, pal_offs, MAKE_RGB(r, g, b));
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internal_pal_offs = 0;
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pal_offs++;
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break;
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}
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break;
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}
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}
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static ADDRESS_MAP_START( magicard_mem, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x000000, 0x01ffff) AM_RAM AM_BASE(&magicram)
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AM_RANGE(0x020000, 0x020001) AM_READ(test_r)
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AM_RANGE(0x020002, 0x020003) AM_READ(test_r)
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AM_RANGE(0x020000, 0x03ffff) AM_READ(test_r) AM_WRITENOP
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AM_RANGE(0x040000, 0x05ffff) AM_RAM
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AM_RANGE(0x060000, 0x07ffff) AM_RAM AM_BASE(&blit_ram)
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// AM_RANGE(0x100000, 0x17ffff) AM_RAM AM_REGION("main", 0)
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AM_RANGE(0x180000, 0x1ffbff) AM_ROM AM_REGION("main", 0)
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AM_RANGE(0x1ffc00, 0x1fffff) AM_RAM
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AM_RANGE(0x260000, 0x27ffff) AM_RAM /*???*/
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AM_RANGE(0x1ffc00, 0x1ffc01) AM_READ(test_r) //protection read,magicrda tests here a lot
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AM_RANGE(0x1ffc40, 0x1ffc41) AM_READ(test_r)
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AM_RANGE(0x1ffd00, 0x1ffd05) AM_WRITE(paletteram_io_w) //RAMDAC
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AM_RANGE(0x1ffd40, 0x1ffd41) AM_WRITE(ym2413_register_port_0_lsb_w) //not the right sound chip,unknown type.
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AM_RANGE(0x1ffd42, 0x1ffd43) AM_WRITE(ym2413_data_port_0_lsb_w)
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AM_RANGE(0x1ffd80, 0x1ffd81) AM_READ(test_r)
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AM_RANGE(0x1ffd80, 0x1ffd81) AM_WRITENOP //?
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AM_RANGE(0x1fffe0, 0x1fffe1) AM_READ(test_r)
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AM_RANGE(0x1ffff0, 0x1ffff1) AM_WRITENOP //protection?
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AM_RANGE(0x1ffff2, 0x1fffff) AM_WRITENOP //?
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AM_RANGE(0x200000, 0x27ffff) AM_RAM AM_REGION("main",0)//protection ram?
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ADDRESS_MAP_END
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@ -156,125 +200,49 @@ MACHINE_RESET( magicard )
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UINT16 *src = (UINT16*)memory_region( machine, "main" );
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UINT16 *dst = magicram;
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memcpy (dst, src, 0x20000);
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device_reset(cputag_get_cpu(machine, "main"));
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}
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static PALETTE_INIT( magicard )
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{
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/* int bit0, bit1, bit2 , r, g, b;
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int i;
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for (i = 0; i < 0x100; ++i)
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{
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bit0 = (color_prom[0] >> 0) & 0x01;
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bit1 = (color_prom[0] >> 1) & 0x01;
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bit2 = (color_prom[0] >> 2) & 0x01;
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r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
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bit0 = (color_prom[0] >> 3) & 0x01;
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bit1 = (color_prom[0] >> 4) & 0x01;
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bit2 = (color_prom[0] >> 5) & 0x01;
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g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
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bit0 = 0;
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bit1 = (color_prom[0] >> 6) & 0x01;
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bit2 = (color_prom[0] >> 7) & 0x01;
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b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
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palette_set_color(machine, i, MAKE_RGB(r, g, b));
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color_prom++;
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}*/
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}
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/*************************
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* Graphics Layouts *
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*************************/
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static const gfx_layout mca_charlayout =
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{
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/* text layer is only 1bpp??
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there are 2 charsets, but very different
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*/
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8, 10,
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190,
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1, /* 1bpp? */
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{ 0 },
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{ 0, 1, 2, 3, 4, 5, 6, 7 },
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{ 1*8, 0*8, 3*8, 2*8, 5*8, 4*8, 7*8, 6*8, 9*8, 8*8 },
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8*10
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};
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static const gfx_layout mca_tilelayout =
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{
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/* this is only to see the GFX and find
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a proper way to decode
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*/
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8, 8,
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0x8000,
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1, /* just for testing */
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{ 0 },
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{ 0, 1, 2, 3, 4, 5, 6, 7 },
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{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
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8*8
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};
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/******************************
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* Graphics Decode Information *
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******************************/
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static GFXDECODE_START( magicard )
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GFXDECODE_ENTRY( "main", 0x21562, mca_charlayout, 0, 32 )
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GFXDECODE_ENTRY( "main", 0x16470, mca_tilelayout, 0, 32 )
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// GFXDECODE_ENTRY( "main", 0x22efa, mca_tilelayout, 0, 32 )
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GFXDECODE_END
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static GFXDECODE_START( magicrda )
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GFXDECODE_ENTRY( "main", 0x21562 + 0x792, mca_charlayout, 0, 32 )
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GFXDECODE_ENTRY( "main", 0x16470, mca_tilelayout, 0, 32 )
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// GFXDECODE_ENTRY( "main", 0x22efa, mca_tilelayout, 0, 32 )
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GFXDECODE_END
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/*************************
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* Machine Drivers *
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*************************/
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#if 0
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/*Probably there's a mask somewhere if it REALLY uses irqs at all...irq vectors dynamically changes after some time.*/
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static INTERRUPT_GEN( magicard_irq )
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{
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if(input_code_pressed(KEYCODE_Z))
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cpu_set_input_line(device->machine->cpu[0], 1, HOLD_LINE);
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// if(input_code_pressed(KEYCODE_Z))
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// cpu_set_input_line(device->machine->cpu[0], 1, HOLD_LINE);
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// magicram[0x2004/2]^=0xffff;
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}
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#endif
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static MACHINE_DRIVER_START( magicard )
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MDRV_CPU_ADD("main", M68000, CLOCK_A/2) /* SCC-68070 CCA84 datasheet */
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MDRV_CPU_PROGRAM_MAP(magicard_mem,0)
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// MDRV_CPU_VBLANK_INT("main", magicard_irq) /* no interrupts? (it erases the vectors..) */
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MDRV_CPU_VBLANK_INT("main", magicard_irq) /* no interrupts? (it erases the vectors..) */
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MDRV_SCREEN_ADD("main", RASTER)
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MDRV_SCREEN_REFRESH_RATE(60)
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MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
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MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
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MDRV_SCREEN_SIZE(400, 300)
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MDRV_SCREEN_VISIBLE_AREA(0, 400-1, 0, 300-1)
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MDRV_PALETTE_INIT(magicard)
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MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1) //might be 320x240
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MDRV_PALETTE_LENGTH(0x20000/2)
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MDRV_GFXDECODE(magicard)
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MDRV_PALETTE_LENGTH(0x100)
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MDRV_VIDEO_START(magicard)
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MDRV_VIDEO_UPDATE(magicard)
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MDRV_MACHINE_RESET(magicard)
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MDRV_SPEAKER_STANDARD_MONO("mono")
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MDRV_SOUND_ADD("ym", YM2413, CLOCK_A/12)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
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MACHINE_DRIVER_END
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static MACHINE_DRIVER_START( magicrda )
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MDRV_IMPORT_FROM(magicard)
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MDRV_CPU_MODIFY("main")
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MDRV_GFXDECODE(magicrda)
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MACHINE_DRIVER_END
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@ -313,9 +281,7 @@ ROM_END
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static DRIVER_INIT( magicard )
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{
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UINT16 *src = (UINT16*)memory_region( machine, "main" );
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UINT16 *dst = magicram;
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memcpy (dst, src, 0x20000);
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//...
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}
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/* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS... */
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