some cleanup

svn-id: r13263

4 files changed, 8 insertions, 26 deletions

diff --git a/sky/disk.cpp b/sky/disk.cpp
index 73242da4a2..0b18056c12 100644
--- a/sky/disk.cpp
+++ b/sky/disk.cpp
@@ -115,10 +115,6 @@ uint8 *Disk::loadFile(uint16 fileNr, uint8 *dest) {
 		}
 	}
 
-	#ifdef file_order_chk
-		warning("File order checking not implemented yet");
-	#endif
-
 	_compFile = fileNr;
 	debug(2, "load file %d,%d (%d)", (fileNr >> 11), (fileNr & 2047), fileNr); 
 
@@ -153,10 +149,6 @@ uint8 *Disk::loadFile(uint16 fileNr, uint8 *dest) {
 
 	_dataDiskHandle->seek(_fileOffset, SEEK_SET);
 
-	#ifdef file_order_chk
-		warning("File order checking not implemented yet");
-	#endif
-
 	//now read in the data
 	bytesRead = _dataDiskHandle->read(_fileDest, 1 * _fileSize);
 
@@ -286,8 +278,7 @@ uint8 *Disk::getFileInfo(uint16 fileNr) {
 		dnrTbl16Ptr += 4;
 	}
 
-	// if file not found return 0
-	return 0;
+	return 0; //not found
 }
 
 void Disk::fnCacheChip(uint32 list) {
diff --git a/sky/rnc_deco.cpp b/sky/rnc_deco.cpp
index 03b2a76f79..9523156a7b 100644
--- a/sky/rnc_deco.cpp
+++ b/sky/rnc_deco.cpp
@@ -75,8 +75,7 @@ uint16 RncDecoder::crcBlock(const uint8 *block, uint32 size) {
 		crc ^= tmp; 
 		tmp = (uint8)((crc >> 8) & 0x00FF); 
 		crc &= 0x00FF;  
-		crc = crc << 1; 
-		crc = *(uint16 *)&crcTable8[crc];
+		crc = *(uint16 *)&crcTable8[crc << 1];
 		crc ^= tmp;
 	}
 
diff --git a/sky/rnc_deco.h b/sky/rnc_deco.h
index 8146dc92af..d5df4ec1cb 100644
--- a/sky/rnc_deco.h
+++ b/sky/rnc_deco.h
@@ -32,7 +32,6 @@ protected:
 	uint16 _rawTable[64];
 	uint16 _posTable[64];
 	uint16 _lenTable[64];
-
 	uint16 _crcTable[256];
 	
 	uint16 _bitBuffl;
diff --git a/sky/text.cpp b/sky/text.cpp
index 2782366347..3bbab50a5d 100644
--- a/sky/text.cpp
+++ b/sky/text.cpp
@@ -463,23 +463,18 @@ displayText_t Text::displayText(char *textPtr, uint8 *dest, bool centre, uint16
 	do {
 		if (_dtCentre) {
 
-			uint32 width = _dtLineWidth;
-			width -= READ_LE_UINT32(centerTblPtr); 
+			uint32 width = (_dtLineWidth - READ_LE_UINT32(centerTblPtr)) >> 1; 
 			centerTblPtr += 4;
-			width >>=1;
 			curDest += width;
 		}
 
 		textChar = (uint8)*curPos++;
 		while (textChar >= 0x20) {
-			textChar -= 0x20;
-			makeGameCharacter(textChar, _characterSet, curDest, color);
+			makeGameCharacter(textChar - 0x20, _characterSet, curDest, color);
 			textChar = *curPos++;
 		}
 
-		curDest = prevDest;	//start of last line
-		curDest += _dtLineSize;	//start of next
-		prevDest = curDest;
+		prevDest = curDest = prevDest + _dtLineSize;	//start of last line + start of next
 
 	} while (textChar >= 10);
 
@@ -517,19 +512,17 @@ void Text::makeGameCharacter(uint8 textChar, uint8 *charSetPtr, uint8 *&dest, ui
 				if (dataBit) 
 					*curPos = color;
 				else
-					//black edge
-					*curPos = 240; 
+					*curPos = 240; //black edge 
 
 			curPos++;
 		}
 
 		//advance a line
-		curPos = prevPos;
-		curPos += _dtLineWidth;
+		curPos = prevPos + _dtLineWidth;
 	}
 
 	//update position
-	dest = startPos + charWidth + _dtCharSpacing*2 - 1; 
+	dest = startPos + charWidth + _dtCharSpacing * 2 - 1; 
 
 }