setax1.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

#if 0

   // BACK

   if( ((RAM_B[0x0301])&0x40) == 0){

   RAM_BGA = RAM_A + 0x00400;
   RAM_BGB = RAM_A + 0x00600;

   }
   else{

   RAM_BGA = RAM_A + 0x00C00;
   RAM_BGB = RAM_A + 0x00E00;

   }

   st = (RAM_B[0x0301])&0x0F;

   if(st!=0){

   if(st==1) st=16;

   tb = ( (((RAM_B[0x0302])&0xFF)<<8) | ((RAM_B[0x0303])&0xFF)<<16);

   for(zzz=0;zzz<st;zzz++){

   z = (zzz<<4)^0x80;

   x16 = ((16+ ((RAM_B[0x0204+z]) | (tb&0x100))) + scr_x) & MASK_X;
   y16 = ((((249+16) - (RAM_B[0x0200+z]))) + scr_y) & MASK_Y;

   tb >>= 1;

   z <<= 1;

      y = y16;

      for(ry=0;ry<0x10;ry++){

      x = x16;

      for(rx=0;rx<0x02;rx++){

      if((x>16)&&(y>0)&&(x<bmp_w+32)&&(y<bmp_h+16)){

   		ta = ((RAM_BGA[z+0x1000]<<8)|(RAM_BGA[z])) & 0x1FFF;

         if(GFX_SPR_SOLID[ta]){				// No pixels; skip

         MAP_PALETTE_MAPPED_NEW(
            RAM_BGB[z+0x1000]>>3,
            16,
            map
         );

         if(GFX_SPR_SOLID[ta]==1){			// Some pixels; trans
            switch(RAM_BGA[z+0x1000]&0xC0){
            case 0x0000: Draw16x16_Trans_Mapped_Rot(&GFX[ta<<8], x, y+16, map);        break;
            case 0x4000: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX[ta<<8], x, y+16, map);  break;
            case 0x8000: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX[ta<<8], x, y+16, map);  break;
            case 0xC000: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX[ta<<8], x, y+16, map); break;
            }
         }
         else{						// all pixels; solid
            switch(RAM_BGA[z+0x1000]&0xC0){
            case 0x0000: Draw16x16_Mapped_Rot(&GFX[ta<<8], x, y+16, map);        break;
            case 0x4000: Draw16x16_Mapped_FlipX_Rot(&GFX[ta<<8], x, y+16, map);  break;
            case 0x8000: Draw16x16_Mapped_FlipY_Rot(&GFX[ta<<8], x, y+16, map);  break;
            case 0xC000: Draw16x16_Mapped_FlipXY_Rot(&GFX[ta<<8], x, y+16, map); break;
            }
         }

         }

      }

      x = (x+16)&MASK_X;
      z += 1;

      }

      y = (y+16)&0x0FF;

      }

   }

   }

#else

   // BACK

   if( ((RAM_B[0x0301])&0x40) == 0){

   RAM_BGA = RAM_A + 0x00400;
   RAM_BGB = RAM_A + 0x00600;

   }
   else{

   RAM_BGA = RAM_A + 0x00C00;
   RAM_BGB = RAM_A + 0x00E00;

   }

   st = RAM_B[0x0301]&0x0F;

   if(st!=0){

   if(st==1) st=16;

   tb = ReadWord(&RAM_B[0x0302])<<8;

   for(zzz=0;zzz<st;zzz++){

   z=(zzz<<5)^0x100;

   x16 = (RAM_B[0x0204+((z>>1)^0x80)] | (tb&0x100)) + 32;
   y16 = ((256+16) - RAM_B[0x0200+((z>>1)^0x80)]) + 1;

   tb >>= 1;

   for(zz=z;zz<(z+0x20);zz++){

   ta = ((RAM_BGA[zz+0x1000]<<8)|(RAM_BGA[zz])) & 0x1FFF;

   if(GFX_SPR_SOLID[ta]!=0){			// No pixels; skip

   x=(x16+((zz&0x01)<<4))&MASK_X;
   y=(y16+((zz&0x1E)<<3))&MASK_Y;

   if((x>16)&&(y>16)&&(x<256+32)&&(y<224+32)){

      MAP_PALETTE_MAPPED_NEW(
         RAM_BGB[zz+0x1000]>>3,
         16,
         map
      );

      if(GFX_SPR_SOLID[ta]==1){			// Some pixels; trans
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0x00: Draw16x16_Trans_Mapped_Rot(&GFX[ta<<8],x,y,map);        break;
         case 0x40: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0x80: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0xC0: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX[ta<<8],x,y,map); break;
         }
      }
      else{					// all pixels; solid
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0x00: Draw16x16_Mapped_Rot(&GFX[ta<<8],x,y,map);        break;
         case 0x40: Draw16x16_Mapped_FlipX_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0x80: Draw16x16_Mapped_FlipY_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX[ta<<8],x,y,map); break;
         }
      }

   }
   }

   }
   }

   }

#endif

   // OBJECT

   if( ((RAM_B[0x0301])&0x40) == 0){

   RAM_BGA = RAM_A + 0x00000;
   RAM_BGB = RAM_A + 0x00200;

   }
   else{

   RAM_BGA = RAM_A + 0x00800;
   RAM_BGB = RAM_A + 0x00A00;

   }

   for(zz=0x1FF;zz>=0;zz--){

      x = (32+((RAM_BGB[zz+0x1000]<<8)|(RAM_BGB[zz]))) & MASK_X;
      if((x>16)&&(x<256+32)){

      y = ((224+32+2)-(RAM_B[zz])) & MASK_Y;
      if((y>16)&&(y<224+32)){

      ta = ((RAM_BGA[zz+0x1000]<<8)|(RAM_BGA[zz])) & 0x1FFF;

      if(GFX_SPR_SOLID[ta]!=0){			// No pixels; skip

      MAP_PALETTE_MAPPED_NEW(
         RAM_BGB[zz+0x1000]>>3,
         16,
         map
      );

      if(GFX_SPR_SOLID[ta]==1){			// Some pixels; trans
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0x00: Draw16x16_Trans_Mapped_Rot(&GFX[ta<<8],x,y,map);        break;
         case 0x40: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0x80: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0xC0: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX[ta<<8],x,y,map); break;
         }
      }
      else{					// all pixels; solid
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0x00: Draw16x16_Mapped_Rot(&GFX[ta<<8],x,y,map);        break;
         case 0x40: Draw16x16_Mapped_FlipX_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0x80: Draw16x16_Mapped_FlipY_Rot(&GFX[ta<<8],x,y,map);  break;
         case 0xC0: Draw16x16_Mapped_FlipXY_Rot(&GFX[ta<<8],x,y,map); break;
         }
      }

      }

      }
      }
   }


   }
   else{


   // BACK

   if( ((RAM_B[0x0301])&0x40) == 0){

   RAM_BGA = RAM_A + 0x00400;
   RAM_BGB = RAM_A + 0x00600;

   }
   else{

   RAM_BGA = RAM_A + 0x00C00;
   RAM_BGB = RAM_A + 0x00E00;

   }

   st = RAM_B[0x0301]&0x0F;

   if(st!=0){

   if(st==1) st=16;

   tb = ReadWord(&RAM_B[0x0302])<<8;

   for(zzz=0;zzz<st;zzz++){

   z=(zzz<<5)^0x100;

   x16 = (RAM_B[0x0204+((z>>1)^0x80)] | (tb&0x100)) + 32;
   y16 = ((256+16) - RAM_B[0x0200+((z>>1)^0x80)]) + 1 - 2;

   tb >>= 1;

   for(zz=z;zz<(z+0x20);zz++){

   ta = ((RAM_BGA[zz+0x1000]<<8)|(RAM_BGA[zz])) & 0x1FFF;

   if(GFX_SPR_SOLID[ta]!=0){			// No pixels; skip

   x=(x16+((zz&0x01)<<4))&MASK_X;
   y=(y16+((zz&0x1E)<<3))&MASK_Y;

   if((x>16)&&(y>16)&&(x<256+32)&&(y<224+32)){

      MAP_PALETTE_MAPPED_NEW(
         RAM_BGB[zz+0x1000]>>3,
         16,
         map
      );

      if(GFX_SPR_SOLID[ta]==1){			// Some pixels; trans
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0xC0: Draw16x16_Trans_Mapped_Rot(&GFX[ta<<8],x,224+48-y,map);        break;
         case 0x80: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x40: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x00: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX[ta<<8],x,224+48-y,map); break;
         }
      }
      else{					// all pixels; solid
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0xC0: Draw16x16_Mapped_Rot(&GFX[ta<<8],x,224+48-y,map);        break;
         case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x00: Draw16x16_Mapped_FlipXY_Rot(&GFX[ta<<8],x,224+48-y,map); break;
         }
      }

   }
   }

   }
   }

   }

   // OBJECT

   if( ((RAM_B[0x0301])&0x40) == 0){

   RAM_BGA = RAM_A + 0x00000;
   RAM_BGB = RAM_A + 0x00200;

   }
   else{

   RAM_BGA = RAM_A + 0x00800;
   RAM_BGB = RAM_A + 0x00A00;

   }

   for(zz=0x1FF;zz>=0;zz--){

      x = (32+((RAM_BGB[zz+0x1000]<<8)|(RAM_BGB[zz]))) & MASK_X;
      if((x>16)&&(x<256+32)){

      y = ((224+32+2-4)-(RAM_B[zz])) & MASK_Y;
      if((y>16)&&(y<224+32)){

      ta = ((RAM_BGA[zz+0x1000]<<8)|(RAM_BGA[zz])) & 0x1FFF;

      if(GFX_SPR_SOLID[ta]!=0){			// No pixels; skip

      MAP_PALETTE_MAPPED_NEW(
         RAM_BGB[zz+0x1000]>>3,
         16,
         map
      );

      if(GFX_SPR_SOLID[ta]==1){			// Some pixels; trans
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0xC0: Draw16x16_Trans_Mapped_Rot(&GFX[ta<<8],x,224+48-y,map);        break;
         case 0x80: Draw16x16_Trans_Mapped_FlipX_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x40: Draw16x16_Trans_Mapped_FlipY_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x00: Draw16x16_Trans_Mapped_FlipXY_Rot(&GFX[ta<<8],x,224+48-y,map); break;
         }
      }
      else{					// all pixels; solid
         switch(RAM_BGA[zz+0x1000]&0xC0){
         case 0xC0: Draw16x16_Mapped_Rot(&GFX[ta<<8],x,224+48-y,map);        break;
         case 0x80: Draw16x16_Mapped_FlipX_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x40: Draw16x16_Mapped_FlipY_Rot(&GFX[ta<<8],x,224+48-y,map);  break;
         case 0x00: Draw16x16_Mapped_FlipXY_Rot(&GFX[ta<<8],x,224+48-y,map); break;
         }
      }

      }

      }
      }
   }


   }
}