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Preliminary emulation of video hardware (simple blitter) in Strip Teaser.
This commit is contained in:
Tomasz Slanina
parent
fc9f7d2fa6
commit
bd0df9c2b9
@ -1,9 +1,5 @@
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/* Strip Teaser
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this has *2* 68705 MCUs.. neither dumped
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*/
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/*
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Strip Teaser (unknown manufacturer)
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------------------------------------
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@ -31,65 +27,216 @@ ROMs
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4x M27C4001 (u46.2 - u51.3 - u61.4 - u66.5)(GFX)
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1x M27C4001 (u18.7)(sound)
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2008.07.01 - Tomasz Slanina - preliminary gfx blitter emulation
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TODO:
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- fix blitter writes (missing fill ?)
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- controls (probably one of the MCUS is used to read controls)
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- sound
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*/
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#include "driver.h"
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#include "deprecat.h"
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static int clr_offset=0;
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static UINT16 *mainram;
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static UINT16 data_9a0000, data_998000, data_9b0000, data_9a8000, data_990000, data_988000;
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static WRITE16_HANDLER(blitter_9b8000_w)
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{
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UINT8 *rom = memory_region(machine, REGION_GFX1);
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int len=memory_region_length(machine, REGION_GFX1);
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int w = video_screen_get_width(machine->primary_screen);
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int h = video_screen_get_height(machine->primary_screen);
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int x,y;
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UINT16 pix;
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int x0=(data_9a8000&0xff)<<1;
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int y0=data_9a8000>>8;
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int dx=data_9b0000&0xff;
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int dy=((data_9b0000>>8)^0xff)+1;
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UINT32 of=data_998000|(data_9a0000<<8);
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if(of==0)
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{
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fillbitmap(tmpbitmap,get_black_pen(machine),0);
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return;
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}
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if(dx==0)
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{
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dx=0x100;
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}
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dx<<=1;
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#if 0
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printf("[%x] %x blit %x -> %x,%x (%x*%x ) [%x] %x - %.4x %.4x - %.4x - %.4x\n",data,activecpu_get_pc(),of,x0,y0,dx,dy,data_9b0000,data_9a8000,data_9a0000,data_998000,data_990000,data_988000);
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#endif
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for(y=0;y<dy;++y)
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{
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for(x=0;x<dx;++x)
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{
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if(of<len && y+y0<h && x+x0<w)
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{
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pix=*(rom+of);
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if(pix==0)
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{
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pix=0x100; //dirty hack
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}
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{
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*BITMAP_ADDR16(tmpbitmap, y+y0, x+x0) = pix;
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}
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}
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++of;
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}
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}
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}
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static VIDEO_START(steaser)
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{
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tmpbitmap = auto_bitmap_alloc(32*8*2,32*8*2,video_screen_get_format(machine->primary_screen));
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}
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static VIDEO_UPDATE(steaser)
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{
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copybitmap(bitmap,tmpbitmap,0,0,0,0,cliprect);
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return 0;
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}
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static READ16_HANDLER( steaser_bd0000_r )
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{
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return mame_rand(machine);
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return 0xffff;
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}
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static READ16_HANDLER( steaser_9e0000_r )
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{
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return 0;
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}
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static WRITE16_HANDLER(mcu_w)
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{
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//communciation with MCU ?
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}
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static WRITE16_HANDLER(unk_w)
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{
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switch(activecpu_get_pc())
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{
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case 0x1348: mainram[0x00932/2]=0xffff; break; //dirt way to exit loop
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/* case 0x16ce:
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{
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int addr=(activecpu_get_reg(M68K_D2)+0x089c)>>1;
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mainram[addr&0x7fff]=0xffff;//mame_rand(machine);
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}
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break;*/
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}
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}
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static WRITE16_HANDLER(blitter_990000_w)
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{
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COMBINE_DATA(&data_990000);
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}
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static WRITE16_HANDLER(blitter_998000_w)
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{
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COMBINE_DATA(&data_998000);
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}
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static WRITE16_HANDLER(blitter_9a0000_w)
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{
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COMBINE_DATA(&data_9a0000);
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}
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static WRITE16_HANDLER(blitter_9a8000_w)
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{
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COMBINE_DATA(&data_9a8000);
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}
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static WRITE16_HANDLER(blitter_9b0000_w)
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{
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COMBINE_DATA(&data_9b0000);
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}
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static WRITE16_HANDLER(blitter_988000_w)
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{
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COMBINE_DATA(&data_988000);
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}
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static WRITE16_HANDLER( color_offset_w )
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{
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data>>=8;
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clr_offset=data*3;
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}
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static WRITE16_HANDLER( color_data_w )
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{
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data>>=8;
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colorram[clr_offset]=data;
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palette_set_color_rgb(machine,clr_offset/3,pal6bit(colorram[(clr_offset/3)*3]),pal6bit(colorram[(clr_offset/3)*3+1]),pal6bit(colorram[(clr_offset/3)*3+2]));
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clr_offset=(clr_offset+1)%768;
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}
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static ADDRESS_MAP_START( steaser_map, ADDRESS_SPACE_PROGRAM, 16 )
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AM_RANGE(0x000000, 0x03ffff) AM_ROM
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AM_RANGE(0xbd0000, 0xbd0001) AM_READ( steaser_bd0000_r )
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AM_RANGE(0x200000, 0x20ffff) AM_RAM
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AM_RANGE(0x200000, 0x20ffff) AM_RAM AM_BASE(&mainram)
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AM_RANGE(0x800000, 0x800001) AM_READ( steaser_bd0000_r )
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AM_RANGE(0x880000, 0x880001) AM_READ( steaser_bd0000_r )
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AM_RANGE(0x840000, 0x840001) AM_WRITE(mcu_w)
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// AM_RANGE(0x8c0000, 0x8c0001) AM_WRITENOP
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// AM_RANGE(0x900000, 0x900003) AM_RAM
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AM_RANGE(0x900000, 0x900001) AM_WRITE(color_offset_w)
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AM_RANGE(0x900002, 0x900003) AM_WRITE(color_data_w)
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AM_RANGE(0x900004, 0x900005) AM_WRITENOP
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AM_RANGE(0x940000, 0x940001) AM_WRITENOP
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AM_RANGE(0x980000, 0x98000f) AM_WRITENOP //blitter related
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AM_RANGE(0x988000, 0x988001) AM_WRITE(blitter_988000_w)
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AM_RANGE(0x990000, 0x990001) AM_WRITE(blitter_990000_w)
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AM_RANGE(0x998000, 0x998001) AM_WRITE(blitter_998000_w)
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AM_RANGE(0x9a0000, 0x9a0001) AM_WRITE(blitter_9a0000_w)
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AM_RANGE(0x9a8000, 0x9a8001) AM_WRITE(blitter_9a8000_w)
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AM_RANGE(0x9b0000, 0x9b0001) AM_WRITE(blitter_9b0000_w)
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AM_RANGE(0x9b8000, 0x9b8001) AM_WRITE(blitter_9b8000_w)
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AM_RANGE(0x9e0000, 0x9e0001) AM_READ( steaser_9e0000_r )
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AM_RANGE(0x9f0000, 0x9f0001) AM_WRITE(unk_w)
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ADDRESS_MAP_END
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static INPUT_PORTS_START( steaser )
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INPUT_PORTS_END
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/* The graphics don't seem to be tile based .. */
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static const gfx_layout steaser_layout =
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static INTERRUPT_GEN( steaser_irq )
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{
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8,8,
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RGN_FRAC(1,1),
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8,
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{ 0,1,2,3,4,5,6,7 },
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{ 0,8,16,24,32,40,48,56 },
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{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64 },
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8*64
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};
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static GFXDECODE_START( steaser )
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GFXDECODE_ENTRY( REGION_GFX1, 0, steaser_layout, 0x0, 2 )
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GFXDECODE_END
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int num=cpu_getiloops()+3;
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cpunum_set_input_line(machine, 0, num, HOLD_LINE);
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}
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static MACHINE_DRIVER_START( steaser )
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MDRV_CPU_ADD_TAG("main", M68000, 11059200 )
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MDRV_CPU_PROGRAM_MAP(steaser_map,0)
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// MDRV_CPU_VBLANK_INT("main", irq1_line_hold)
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MDRV_GFXDECODE(steaser)
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MDRV_CPU_VBLANK_INT_HACK(steaser_irq,4)
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MDRV_SCREEN_ADD("main", RASTER)
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MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
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MDRV_SCREEN_SIZE(32*8, 32*8)
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MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
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MDRV_SCREEN_SIZE(32*8*2, 32*8*2)
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MDRV_SCREEN_VISIBLE_AREA(0*8, 2*32*8-1, 0*8, 32*8-1)
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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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@ -114,11 +261,16 @@ ROM_START( steaser )
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ROM_REGION( 0x80000, REGION_SOUND1, 0 ) /* Sound Samples */
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ROM_LOAD( "u18.7", 0x00000, 0x80000, CRC(ee942232) SHA1(b9c1fc73c6006bcad0dd177e0f30a96f1063a993) )
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ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* GFX (not tiles..) */
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ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* GFX */
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ROM_LOAD( "u46.2", 0x000000, 0x80000, CRC(c4a5e47b) SHA1(9f3d3124c76c0bdf8cdca849e1d921a335e433b6) )
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ROM_LOAD( "u51.3", 0x080000, 0x80000, CRC(4dc57435) SHA1(7dfa6f9e35986dd48869786abbe70103f336bcb1) )
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ROM_LOAD( "u61.4", 0x100000, 0x80000, CRC(d8d8dc6f) SHA1(5a76b1fd1a3a532e5ff2de127286ace7d3567c58) )
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ROM_LOAD( "u66.5", 0x180000, 0x80000, CRC(da309671) SHA1(66baf8a83024547c471da39748ff99a9a9013ea4) )
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ROM_END
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GAME( 199?, steaser, 0, steaser, steaser, 0, ROT0, "Unknown", "Strip Teaser (Italy)", GAME_NOT_WORKING|GAME_NO_SOUND )
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static DRIVER_INIT(steaser)
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{
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colorram=auto_malloc(768);
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}
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GAME( 1993, steaser, 0, steaser, steaser, steaser, ROT0, "Unknown", "Strip Teaser (Italy)", GAME_NOT_WORKING|GAME_NO_SOUND )
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