Graphics data reading fixed. Palette colors put back to PGE's rgb order.

EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/main.cpp

@@ -162,15 +162,15 @@ struct Rom{
 						while(len--!=0)block[bpos++]=tmp++;
 					}break;
 					case REPEAT_PREVIOUS_DATA:{
-						if(bpos+2*len>maxLength||bpos<0)return;
+						if(bpos2+len>maxLength||bpos2<0)return;
 						for(int i:std::views::iota(0,len))block[bpos++]=block[bpos2+i];
 					}break;
 					case REVERSE_BITS:{
-						if(bpos+2*len>maxLength||bpos<0)return;
+						if(bpos2+len>maxLength||bpos2<0)return;
 						while(len--!=0)block[bpos++]=Rom::reversedBytes[block[bpos2++]&0xFF];
 					}break;
 					case UNKNOWN_1:{
-						if(bpos+2*len>maxLength||bpos<0)return;
+						if(bpos2-len+1<0)return;
 						while(len--!=0)block[bpos++]=block[bpos2--];
 					}break;
 					case UNKNOWN_2:{
@@ -224,9 +224,9 @@ struct Rom{
 			if(bpp!=2&&bpp!=4)throw std::invalid_argument{std::format("Palette Error: Incorrect color depth specified. Must be 2 or 4, provided {}",bpp)};
 			for(uint8_t i:std::views::iota(0,pow(2,bpp))){
 				uint16_t clr16{dataBlock.readShort()};
-				uint8_t r{((clr16>>10)&31)*8U};
+				uint8_t b{((clr16>>10)&31)*8U};
 				uint8_t g{((clr16>>5)&31)*8U};
-				uint8_t b{(clr16&31)*8U};
+				uint8_t r{(clr16&31)*8U};
 				colors.emplace_back(r,g,b);
 			}
 		}