2 files changed, 11 insertions(+), 6 deletions(-)

M pc/devata.c
M pc/main.c

@@ 1392,15 1392,18 @@ atapart(Drive *dp)
 		 *  we still check if there is a valid partition table in
 		 *  the last sector if none is found in the second last.
 		 */
-		ataxfer(dp, &dp->p[0], Cread, dp->p[0].end-1, dp->bytes, buf);
+print("R%d|", dp->p[0].end-2);
+		ataxfer(dp, &dp->p[0], Cread, dp->p[0].end-2, dp->bytes, buf);
 		buf[dp->bytes-1] = 0;
 		n = getfields((char*)buf, line, Npart+1, "\n");
 		if(n > 0 && strncmp(line[0], PARTMAGIC, sizeof(PARTMAGIC)-1) == 0){
 			dp->p[0].end--;
 			dp->p[1].start--;
 			dp->p[1].end--;
+print("OK%d|", dp->p[1].start);
 		}
 		else{
+print("r%d|", dp->p[1].start);
 			ataxfer(dp, &dp->p[1], Cread, 0, dp->bytes, buf);
 			buf[dp->bytes-1] = 0;
 			n = getfields((char*)buf, line, Npart+1, "\n");


@@ 1408,7 1411,9 @@ atapart(Drive *dp)
 				dp->p[0].end--;
 				dp->p[1].start--;
 				dp->p[1].end--;
+print("nok%d|", dp->p[1].start);
 			}
+else print("ok%d|", dp->p[1].start);
 		}
 	}
 	else{

@@ 338,18 338,18 @@ romscan(void)
 			p += p[2]*512;
 			continue;
 		}
-		p[0] = 0xff;
-		p[2048-1] = 0xff;
-		if(p[0] == 0xff && p[2048-1] == 0xff)
+		p[0] = 0xCC;
+		p[2048-1] = 0xCC;
+		if(p[0] != 0xCC && p[2048-1] != 0xCC)
 			putisa(PADDR(p), 2048);
 		p += 2048;
 	}
 
 	p = (uchar*)(KZERO+0xE0000);
 	if(p[0] != 0x55 || p[1] != 0xAA){
-		p[0] = 0xff;
+		p[0] = 0xCC;
 		p[64*1024-1] = 0xff;
-		if(p[0] == 0xff && p[64*1024-1] == 0xff)
+		if(p[0] != 0xCC && p[64*1024-1] != 0xCC)
 			putisa(PADDR(p), 64*1024);
 	}
 }