experimental patch to HxC's experimental GCR encoder

gistfile1.txt

Index: libhxcfe/trunk/sources/tracks/gcr_track.c
===================================================================
--- libhxcfe/trunk/sources/tracks/gcr_track.c	(revision 1565)
+++ libhxcfe/trunk/sources/tracks/gcr_track.c	(working copy)
@@ -111,10 +111,10 @@
 		nongcrcode=nongcrpart[l];
 
 
-		if(!((nongcrcode>>shift)&0xF))
+		if(!((nongcrcode>>(4-shift))&0xF))
 		{
 
-			gcrcode=gcrencodingtable[(byte>>shift)&0xF];
+			gcrcode=gcrencodingtable[(byte>>(4-shift))&0xF];
 
 			for(j=0;j<5;j++)
 			{
@@ -139,7 +139,7 @@
 		}
 		else
 		{//non gcr - direct copy
-			quartet=(byte>>shift)&0xF;
+			quartet=(byte>>(4-shift))&0xF;
 			for(j=0;j<4;j++)
 			{
 
@@ -253,7 +253,7 @@
 				j++;
 				tempdata[j]=l;    // Sector
 				j++;
-				tempdata[j]=tracknumber;  // Track
+				tempdata[j]=tracknumber + 1;  // Track
 				j++;
 				tempdata[j]=0xA1;  // Format ID byte #2
 				j++;