Set DriveNumber to emulate hard disk

harraiken · harraiken · commit 0ba79fd489c4 · 2025-10-05T20:39:51.000+02:00
diff --git a/tools/diskimg.c b/tools/diskimg.c
@@ -465,6 +465,9 @@ int main(int argc, char **argv)
             }
         }
 
+        /* Set DriveNumber to emulate hard disk */
+        ImageVbr[0x40] = 0x80;
+
         /* Write the corrected VBR back to the disk image */
         fseek(File, Partition.StartLBA * SECTOR_SIZE, SEEK_SET);
         if(fwrite(ImageVbr, 1, SECTOR_SIZE, File) != SECTOR_SIZE)

Original file line number	Diff line number	Diff line change
`@@ -465,6 +465,9 @@ int main(int argc, char **argv)`
`465`	`465`	`}`
`466`	`466`	`}`
`467`	`467`
	`468`	`+ /* Set DriveNumber to emulate hard disk */`
	`469`	`+ ImageVbr[0x40] = 0x80;`
	`470`	`+`
`468`	`471`	`/* Write the corrected VBR back to the disk image */`
`469`	`472`	`fseek(File, Partition.StartLBA * SECTOR_SIZE, SEEK_SET);`
`470`	`473`	`if(fwrite(ImageVbr, 1, SECTOR_SIZE, File) != SECTOR_SIZE)`