thundfox.c

十七种模拟器源代码 非常有用的作课程设计不可缺少的

   memset(RAM+0x00000,0x00,0x40000);

   RAM_INPUT  = RAM+0x2E200;

   RAM_VIDEO  = RAM+0x04000;
   RAM_SCROLL = RAM+0x2E000;

   RAM_VIDEO2 = RAM+0x14000;
   RAM_SCROLL2= RAM+0x2E100;

   RAM_OBJECT = RAM+0x24000;

   GFX_FG0    = RAM+0x30000;
   GFX_FG1    = RAM+0x34000;

   RAMSize=0x38000;

   GFX_BG0_SOLID = make_solid_mask_8x8(GFX_BG0, 0x4000);
   GFX_BG2_SOLID = make_solid_mask_8x8(GFX_BG2, 0x4000);

   GFX_SPR_SOLID = make_solid_mask_16x16(GFX_SPR, 0x2000);

   set_colour_mapper(&col_map_rrrr_gggg_bbbb_xxxx);
   InitPaletteMap(RAM+0x2C000, 0x100, 0x10, 0x1000);


   // 68000 Speed Hack
   // ----------------

   WriteLong68k(&ROM[0x0A0C],0x13FC0000);	// move.b #$00,$AA0000
   WriteLong68k(&ROM[0x0A10],0x00AA0000);
   WriteWord68k(&ROM[0x0A14],0x6100-16);	// bra.s <loop>

   WriteLong68k(&ROM[0x07B0],0x13FC0000);	// move.b #$00,$AA0000
   WriteLong68k(&ROM[0x07B4],0x00AA0000);

   // Init tc0220ioc emulation
   // ------------------------

   tc0220ioc.RAM  = RAM_INPUT;
   tc0220ioc.ctrl = 0;		//TC0220_STOPCPU;
   reset_tc0220ioc();

   // Init tc0100scn emulation
   // ------------------------

   tc0100scn[0].layer[0].RAM	=RAM_VIDEO+0x0000;
   tc0100scn[0].layer[0].GFX	=GFX_BG0;
   tc0100scn[0].layer[0].MASK	=GFX_BG0_SOLID;
   tc0100scn[0].layer[0].SCR	=RAM_SCROLL+0;
   tc0100scn[0].layer[0].type	=0;
   tc0100scn[0].layer[0].bmp_x	=32;
   tc0100scn[0].layer[0].bmp_y	=32;
   tc0100scn[0].layer[0].bmp_w	=320;
   tc0100scn[0].layer[0].bmp_h	=224;
// Mapper disabled
   tc0100scn[0].layer[0].tile_mask=0x3FFF;
   tc0100scn[0].layer[0].scr_x	=16;
   tc0100scn[0].layer[0].scr_y	=8;

   tc0100scn[0].layer[1].RAM	=RAM_VIDEO+0x8000;
   tc0100scn[0].layer[1].GFX	=GFX_BG0;
   tc0100scn[0].layer[1].MASK	=GFX_BG0_SOLID;
   tc0100scn[0].layer[1].SCR	=RAM_SCROLL+2;
   tc0100scn[0].layer[1].type	=0;
   tc0100scn[0].layer[1].bmp_x	=32;
   tc0100scn[0].layer[1].bmp_y	=32;
   tc0100scn[0].layer[1].bmp_w	=320;
   tc0100scn[0].layer[1].bmp_h	=224;
// Mapper disabled
   tc0100scn[0].layer[1].tile_mask=0x3FFF;
   tc0100scn[0].layer[1].scr_x	=16;
   tc0100scn[0].layer[1].scr_y	=8;

   tc0100scn[0].layer[2].RAM	=RAM_VIDEO+0x4000;
   tc0100scn[0].layer[2].GFX	=GFX_FG0;
   tc0100scn[0].layer[2].SCR	=RAM_SCROLL+4;
   tc0100scn[0].layer[2].type	=1;
   tc0100scn[0].layer[2].bmp_x	=32;
   tc0100scn[0].layer[2].bmp_y	=32;
   tc0100scn[0].layer[2].bmp_w	=320;
   tc0100scn[0].layer[2].bmp_h	=224;
// Mapper disabled
   tc0100scn[0].layer[2].scr_x	=16;
   tc0100scn[0].layer[2].scr_y	=8;

   tc0100scn[0].RAM     = RAM_VIDEO;
   tc0100scn[0].GFX_FG0 = GFX_FG0;

   init_tc0100scn(0);

   tc0100scn[1].layer[0].RAM	=RAM_VIDEO2 +0x0000;
   tc0100scn[1].layer[0].GFX	=GFX_BG2;
   tc0100scn[1].layer[0].MASK	=GFX_BG2_SOLID;
   tc0100scn[1].layer[0].SCR	=RAM_SCROLL2 +0;
   tc0100scn[1].layer[0].type	=0;
   tc0100scn[1].layer[0].bmp_x	=32;
   tc0100scn[1].layer[0].bmp_y	=32;
   tc0100scn[1].layer[0].bmp_w	=320;
   tc0100scn[1].layer[0].bmp_h	=224;
// Mapper disabled
   tc0100scn[1].layer[0].tile_mask=0x3FFF;
   tc0100scn[1].layer[0].scr_x	=17;
   tc0100scn[1].layer[0].scr_y	=15;

   tc0100scn[1].layer[1].RAM	=RAM_VIDEO2 +0x8000;
   tc0100scn[1].layer[1].GFX	=GFX_BG2;
   tc0100scn[1].layer[1].MASK	=GFX_BG2_SOLID;
   tc0100scn[1].layer[1].SCR	=RAM_SCROLL2 +2;
   tc0100scn[1].layer[1].type	=0;
   tc0100scn[1].layer[1].bmp_x	=32;
   tc0100scn[1].layer[1].bmp_y	=32;
   tc0100scn[1].layer[1].bmp_w	=320;
   tc0100scn[1].layer[1].bmp_h	=224;
// Mapper disabled
   tc0100scn[1].layer[1].tile_mask=0x3FFF;
   tc0100scn[1].layer[1].scr_x	=17;
   tc0100scn[1].layer[1].scr_y	=15;

   tc0100scn[1].layer[2].RAM	=RAM_VIDEO2 +0x4000;
   tc0100scn[1].layer[2].GFX	=GFX_FG1;
   tc0100scn[1].layer[2].SCR	=RAM_SCROLL2 +4;
   tc0100scn[1].layer[2].type	=1;
   tc0100scn[1].layer[2].bmp_x	=32;
   tc0100scn[1].layer[2].bmp_y	=32;
   tc0100scn[1].layer[2].bmp_w	=320;
   tc0100scn[1].layer[2].bmp_h	=224;
// Mapper disabled
   tc0100scn[1].layer[2].scr_x	=16;
   tc0100scn[1].layer[2].scr_y	=8;

   tc0100scn[1].RAM     = RAM_VIDEO2;
   tc0100scn[1].GFX_FG0 = GFX_FG1;

   init_tc0100scn(1);

   // Init tc0200obj emulation
   // ------------------------

   tc0200obj.RAM	= RAM_OBJECT;
   tc0200obj.GFX	= GFX_SPR;
   tc0200obj.MASK	= GFX_SPR_SOLID;
   tc0200obj.bmp_x	= 32;
   tc0200obj.bmp_y	= 32;
   tc0200obj.bmp_w	= 320;
   tc0200obj.bmp_h	= 224;
// Mapper disabled
   tc0200obj.tile_mask	= 0x1FFF;
   tc0200obj.ofs_x	= -96;
   tc0200obj.ofs_y	= -16;

   init_tc0200obj();

/*
 *  StarScream Stuff follows
 */

   ByteSwap(ROM,0x80000);
   ByteSwap(RAM,0x30000);

   AddMemFetch(0x000000, 0x07FFFF, ROM+0x000000-0x000000);	// 68000 ROM
   AddMemFetch(-1, -1, NULL);

   AddReadByte(0x000000, 0x07FFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadByte(0x300000, 0x303FFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadByte(0x400000, 0x40FFFF, NULL, RAM_VIDEO);			// SCREEN0 RAM
   AddReadByte(0x500000, 0x50FFFF, NULL, RAM_VIDEO2);			// SCREEN1 RAM
   AddReadByte(0x600000, 0x607FFF, NULL, RAM_OBJECT);			// OBJECT RAM
   AddReadByte(0x200000, 0x20000F, NULL, RAM_INPUT);			// INPUT
   AddReadByte(0x220000, 0x220003, tc0140syt_read_main_68k, NULL);	// SOUND COMM
   AddReadByte(0x000000, 0xFFFFFF, DefBadReadByte, NULL);		// <Bad Reads>
   AddReadByte(-1, -1, NULL, NULL);

   AddReadWord(0x000000, 0x07FFFF, NULL, ROM+0x000000);			// 68000 ROM
   AddReadWord(0x300000, 0x303FFF, NULL, RAM+0x000000);			// 68000 RAM
   AddReadWord(0x400000, 0x40FFFF, NULL, RAM_VIDEO);			// SCREEN0 RAM
   AddReadWord(0x500000, 0x50FFFF, NULL, RAM_VIDEO2);			// SCREEN1 RAM
   AddReadWord(0x600000, 0x607FFF, NULL, RAM_OBJECT);			// OBJECT RAM
   AddReadWord(0x100000, 0x101FFF, NULL, RAM+0x02C000);			// COLOR RAM
   AddReadWord(0x200000, 0x20000F, NULL, RAM_INPUT);			// INPUT
   AddReadWord(0x000000, 0xFFFFFF, DefBadReadWord, NULL);		// <Bad Reads>
   AddReadWord(-1, -1,NULL, NULL);

   AddWriteByte(0x300000, 0x303FFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteByte(0x406000, 0x406FFF, tc0100scn_0_gfx_fg0_wb, NULL);	// FG0 GFX RAM
   AddWriteByte(0x400000, 0x40FFFF, NULL, RAM_VIDEO);			// SCREEN0 RAM
   AddWriteByte(0x506000, 0x506FFF, tc0100scn_1_gfx_fg0_wb, NULL);	// FG1 GFX RAM
   AddWriteByte(0x500000, 0x50FFFF, NULL, RAM_VIDEO2);			// SCREEN1 RAM
   AddWriteByte(0x600000, 0x607FFF, NULL, RAM_OBJECT);			// OBJECT RAM
   AddWriteByte(0x220000, 0x220003, tc0140syt_write_main_68k, NULL);	// SOUND COMM
   AddWriteByte(0x200000, 0x20000F, tc0220ioc_wb, NULL);		// INPUT RAM
   AddWriteByte(0xAA0000, 0xAA0001, Stop68000, NULL);			// Trap Idle 68000
   AddWriteByte(0x000000, 0xFFFFFF, BadWriteByte, NULL);		// <Bad Writes>
   AddWriteByte(-1, -1, NULL, NULL);

   AddWriteWord(0x300000, 0x303FFF, NULL, RAM+0x000000);		// 68000 RAM
   AddWriteWord(0x406000, 0x406FFF, tc0100scn_0_gfx_fg0_ww, NULL);	// FG0 GFX RAM
   AddWriteWord(0x400000, 0x40FFFF, NULL, RAM_VIDEO);			// SCREEN0 RAM
   AddWriteWord(0x506000, 0x506FFF, tc0100scn_1_gfx_fg0_ww, NULL);	// FG1 GFX RAM
   AddWriteWord(0x500000, 0x50FFFF, NULL, RAM_VIDEO2);			// SCREEN1 RAM
   AddWriteWord(0x600000, 0x607FFF, NULL, RAM_OBJECT);			// OBJECT RAM
   AddWriteWord(0x100000, 0x101FFF, NULL, RAM+0x02C000);		// COLOR RAM
   AddWriteWord(0x420000, 0x42000F, NULL, RAM_SCROLL);			// SCROLL0 RAM
   AddWriteWord(0x520000, 0x52000F, NULL, RAM_SCROLL2);			// SCROLL1 RAM
   AddWriteWord(0x200000, 0x20000F, tc0220ioc_ww, NULL);		// INPUT RAM
   AddWriteWord(0x000000, 0xFFFFFF, BadWriteWord, NULL);		// <Bad Writes>
   AddWriteWord(-1, -1, NULL, NULL);

   AddInitMemory();	// Set Starscream mem pointers... 
}

void ClearThunderFox(void)
{
   if(SoundBad==0){
   RemoveTaitoYM2610();
   }

   #ifdef RAINE_DEBUG
      save_debug("ROM.bin",ROM,0x080000,1);
      save_debug("RAM.bin",RAM,0x040000,1);
      //save_debug("GFX.bin",GFX,0x200000,0);
   #endif
}

void ExecuteThunderFoxFrame(void)
{
   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(12,60));	// M68000 12MHz (60fps)
   /*#ifdef RAINE_DEBUG
      print_debug("PC:%06x SR:%04x\n",s68000context.pc,s68000context.sr);
   #endif*/
   cpu_interrupt(CPU_68K_0, 6);
   cpu_interrupt(CPU_68K_0, 5);
   cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(12,60));	// M68000 12MHz (60fps)

   if(SoundBad==0){
   Taito2610_Frame();			// Z80 and YM2610
   }
}

void DrawThunderFox(void)
{
   ClearPaletteMap();

   // Init tc0100scn emulation
   // ------------------------

   tc0100scn_layer_count = 0;
   tc0100scn[0].ctrl = ReadWord(RAM_SCROLL + 12);
   tc0100scn[1].ctrl = ReadWord(RAM_SCROLL2 + 12);

   // BG0 A
   // -----

   render_tc0100scn_layer_mapped(1,0);

   // BG0 B
   // -----

   render_tc0100scn_layer_mapped(0,0);

   // BG1 A
   // -----

   render_tc0100scn_layer_mapped(1,1);

   // BG1 B
   // -----

   render_tc0100scn_layer_mapped(0,1);

   // OBJECT
   // ------

   render_tc0200obj_mapped_b();

   // FG0 A
   // -----

   render_tc0100scn_layer_mapped(1,2);

   // FG0 B
   // -----

   render_tc0100scn_layer_mapped(0,2);
}