trstars.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

   WriteLong68k(&ROM[0x13C8],0x7F024E71);	// 	raine	#$02 <stop cpu>
   WriteLong68k(&ROM[0x13CC],0x4E714E71);	//	nop

   WriteLong68k(&ROM[0x13D0],0x4A2DA612);
   WriteWord68k(&ROM[0x13D4],0x67E6);
   WriteLong68k(&ROM[0x13D6],0x4E714E71);

   }
   else{

   // eeprom hacks

   WriteWord68k(&ROM[0x1D00E],0x7F00);		//	raine	#$00	<eeprom read>
   WriteWord68k(&ROM[0x1D010],0x4E75);		//	rts

   WriteWord68k(&ROM[0x1D08A],0x7F01);		//	raine	#$01	<eeprom write>
   WriteWord68k(&ROM[0x1D08C],0x4E75);		//	rts

   // speed hacks

   WriteLong68k(&ROM[0x13BA],0x7F024E71);	// 	raine	#$02 <stop cpu>
   WriteLong68k(&ROM[0x13BE],0x4E714E71);	//	nop

   WriteLong68k(&ROM[0x13C2],0x4A2DA612);
   WriteWord68k(&ROM[0x13C6],0x67E6);
   WriteLong68k(&ROM[0x13C8],0x4E714E71);

   }

   F3SystemEEPROMAccess=&F3SysEEPROMAccessMode1;


   set_colour_mapper(&col_map_xxxx_xxxx_rrrr_rrrr_gggg_gggg_bbbb_bbbb);
   InitPaletteMap(RAM+0x60000, 0x200, 0x40, 0x8000);

   // Init tc0003vcu emulation
   // ------------------------

   tc0003vcu.RAM	= RAM+0x20000;
// Mapper disabled
   tc0003vcu.bmp_x	= 64;
   tc0003vcu.bmp_y	= 64;
   tc0003vcu.bmp_w	= 320;
   tc0003vcu.bmp_h	= 224;
   tc0003vcu.scr_x	= 0;
   tc0003vcu.scr_y	= 0;

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

   tc0200obj.RAM	= RAM+0x20000;
   tc0200obj.RAM_B	= RAM+0x28000;
   tc0200obj.GFX	= GFX_SPR;
   tc0200obj.MASK	= GFX_SPR_SOLID;
   tc0200obj.bmp_x	= 64;
   tc0200obj.bmp_y	= 64;
   tc0200obj.bmp_w	= 320;
   tc0200obj.bmp_h	= 224;
// Mapper disabled
   tc0200obj.tile_mask	= 0xFFFF;
   tc0200obj.ofs_x	= 0-64;
   tc0200obj.ofs_y	= 0-32;

   tc0200obj.cols	= 32;

   init_tc0200obj();

   init_f3_system_ioc(F3_IOC_2P_3BUTTON);

   init_m68k();
   setup_sound_68000();
}

void LoadTRStars(void)
{
   load_actual(0);
}

void load_prime_time_fighters(void)
{
   load_actual(1);
}

void ClearTRStars(void)
{
   save_eeprom();

   #ifdef RAINE_DEBUG
      save_debug("ROM.bin",ROM,0x100000,0);
      save_debug("RAM.bin",RAM,0x080000,0);
      //save_debug("GFX.bin",GFX,0x400000,0);
   #endif
}

void ExecuteTRStarsFrame(void)
{
  int ta;
  for (ta=0; ta<f3_slices; ta++) {
    Execute68020(300000/f3_slices);
#ifdef RAINE_DEBUG
    print_debug("PC:%06x SR:%04x $60000A:%04x\n",regs.pc,regs.sr,ReadWord(&RAM[0x2000A]));
#endif
    if (RaineSoundCard) {
      cpu_execute_cycles(CPU_68K_0, CPU_FRAME_MHz(16,60*f3_slices)); // M68000 16MHz (60fps)
      if (int7_active) 
	f3_timer_callback();
    }
  }
    
  Interrupt68020(3);

  IntF3System();
}

void DrawTRStars(void)
{
   int x16,y16,zz,zzz,zzzz;
   int ta,x,y;
   UINT8 *MAP;

   ClearPaletteMap();

   // Init tc0003vcu emulation
   // ------------------------

   tc0003vcu_layer_count = 0;

   if(check_layer_enabled(f3_bg0_id)){
   zzz=(ReadWord68k(&RAM_SCR0[0])>>6)+40;
   zzzz=((zzz&0x3F0)>>4)<<2;			// X Offset (16-1024)
   x16=15-(zzz&15);				// X Offset (0-15)
   zzz=(ReadWord68k(&RAM_SCR0[8])>>7)+32;
   zzzz+=((zzz&0x1F0)>>4)<<8;			// Y Offset (16-511)
   y16=15-(zzz&15);				// Y Offset (0-15)

   zzzz&=0x1FFF;

   for(y=(48+y16);y<(224+64);y+=16){
   zz=zzzz;
   for(x=(48+x16);x<(320+64);x+=16){

      MAP_PALETTE_MAPPED_NEW(
         ReadWord68k(&RAM_BG0[zz])&0x1FF,
         32,
         MAP
      );

      switch(RAM_BG0[zz]&0xC0){
      case 0x00: Draw16x16_Mapped_Rot(&GFX_BG0[ReadWord68k(&RAM_BG0[zz+2])<<8],x,y,MAP);        break;
      case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX_BG0[ReadWord68k(&RAM_BG0[zz+2])<<8],x,y,MAP);  break;
      case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX_BG0[ReadWord68k(&RAM_BG0[zz+2])<<8],x,y,MAP);  break;
      case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX_BG0[ReadWord68k(&RAM_BG0[zz+2])<<8],x,y,MAP); break;
      }

   zz+=4;
   if((zz&0xFF)==0){zz-=0x100;}
   }
   zzzz+=0x100;
   zzzz&=0x1FFF;
   }
   }


   if(check_layer_enabled(f3_bg1_id)){
   zzz=(ReadWord68k(&RAM_SCR1[0])>>6)+36;
   zzzz=((zzz&0x3F0)>>4)<<2;			// X Offset (16-1024)
   x16=15-(zzz&15);				// X Offset (0-15)
   zzz=(ReadWord68k(&RAM_SCR1[8])>>7)+32;
   zzzz+=((zzz&0x1F0)>>4)<<8;			// Y Offset (16-511)
   y16=15-(zzz&15);				// Y Offset (0-15)

   zzzz&=0x1FFF;

   for(y=(48+y16);y<(224+64);y+=16){
   zz=zzzz;
   for(x=(48+x16);x<(320+64);x+=16){

   ta=ReadWord68k(&RAM_BG1[zz+2]);
   if(ta!=0){

      MAP_PALETTE_MAPPED_NEW(
         ReadWord68k(&RAM_BG1[zz])&0x1FF,
         32,
         MAP
      );

      if(GFX_BG0_SOLID[ta]==0){
         switch(RAM_BG1[zz]&0xC0){
         case 0x00: Draw16x16_Trans_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
      else{
         switch(RAM_BG1[zz]&0xC0){
         case 0x00: Draw16x16_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
   }

   zz+=4;
   if((zz&0xFF)==0){zz-=0x100;}
   }
   zzzz+=0x100;
   zzzz&=0x1FFF;
   }
   }

   if(check_layer_enabled(f3_bg2_id)){
   zzz=(ReadWord68k(&RAM_SCR2[0])>>6)+32;
   zzzz=((zzz&0x3F0)>>4)<<2;			// X Offset (16-1024)
   x16=15-(zzz&15);				// X Offset (0-15)
   zzz=(ReadWord68k(&RAM_SCR2[8])>>7)+32;
   zzzz+=((zzz&0x1F0)>>4)<<8;			// Y Offset (16-511)
   y16=15-(zzz&15);				// Y Offset (0-15)

   zzzz&=0x1FFF;

   for(y=(48+y16);y<(224+64);y+=16){
   zz=zzzz;
   for(x=(48+x16);x<(320+64);x+=16){

   ta=ReadWord68k(&RAM_BG2[zz+2]);
   if(ta!=0){

      MAP_PALETTE_MAPPED_NEW(
         ReadWord68k(&RAM_BG2[zz])&0x1FF,
         32,
         MAP
      );

      if(GFX_BG0_SOLID[ta]==0){
         switch(RAM_BG2[zz]&0xC0){
         case 0x00: Draw16x16_Trans_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
      else{
         switch(RAM_BG2[zz]&0xC0){
         case 0x00: Draw16x16_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
   }

   zz+=4;
   if((zz&0xFF)==0){zz-=0x100;}
   }
   zzzz+=0x100;
   zzzz&=0x1FFF;
   }
   }

   if(check_layer_enabled(f3_bg3_id)){
   zzz=(ReadWord68k(&RAM_SCR3[0])>>6)+28;
   zzzz=((zzz&0x3F0)>>4)<<2;			// X Offset (16-1024)
   x16=15-(zzz&15);				// X Offset (0-15)
   zzz=(ReadWord68k(&RAM_SCR3[8])>>7)+32;
   zzzz+=((zzz&0x1F0)>>4)<<8;			// Y Offset (16-511)
   y16=15-(zzz&15);				// Y Offset (0-15)

   zzzz&=0x1FFF;

   for(y=(48+y16);y<(224+64);y+=16){
   zz=zzzz;
   for(x=(48+x16);x<(320+64);x+=16){

   ta=ReadWord68k(&RAM_BG3[zz+2]);
   if(ta!=0){

      MAP_PALETTE_MAPPED_NEW(
         ReadWord68k(&RAM_BG3[zz])&0x1FF,
         32,
         MAP
      );

      if(GFX_BG0_SOLID[ta]==0){
         switch(RAM_BG3[zz]&0xC0){
         case 0x00: Draw16x16_Trans_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
      else{
         switch(RAM_BG3[zz]&0xC0){
         case 0x00: Draw16x16_Mapped_Rot(&GFX_BG0[ta<<8],x,y,MAP);        break;
         case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX_BG0[ta<<8],x,y,MAP);  break;
         case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX_BG0[ta<<8],x,y,MAP); break;
         }
      }
   }

   zz+=4;
   if((zz&0xFF)==0){zz-=0x100;}
   }
   zzzz+=0x100;
   zzzz&=0x1FFF;
   }
   }

   render_tc0200obj_mapped_f3system();

   if(check_layer_enabled(f3_bg5_id)){
      f3video_render_fg0();
   }
}