diff -Naurp ./dis.h ../dis6502-0.12-mywork/dis.h
--- ./dis.h	2012-07-22 23:49:11.000000000 +0200
+++ ../dis6502-0.12-mywork/dis.h	2012-07-23 02:18:21.000000000 +0200
@@ -42,6 +42,7 @@ extern unsigned char f[];
 extern unsigned char d[];
 extern long offset[];
 
+extern unsigned long  trace_inits[1000];
 #define getword(x) (d[x] + (d[x+1] << 8))
 #define getbyte(x) (d[x])
 
diff -Naurp ./initopts.c ../dis6502-0.12-mywork/initopts.c
--- ./initopts.c	2012-07-22 23:51:01.000000000 +0200
+++ ../dis6502-0.12-mywork/initopts.c	2012-07-23 02:25:46.000000000 +0200
@@ -30,7 +30,8 @@ void usage (void)
                    "  options:  -a             assembly output\n"
                    "            -p <file>      predefs\n"
 	           "            -v <address>   alternate vector address\n"
-	   	   "            -7             mask character data to 7-bit\n",
+	   	   "            -7             mask character data to 7-bit\n"
+	   	   "            -t             add trace address\n",
 	   progname);
   exit (1);
 }
@@ -41,6 +42,7 @@ void initopts (int argc, char *argv[])
   char *ca;
   char *p;
   int fileset = 0;
+  int t=0;
   
   progname = argv[0];
 
@@ -85,6 +87,13 @@ void initopts (int argc, char *argv[])
 	      case '7':
 		sevenbit = 1;
 		break;
+	      case 't':
+		trace_inits[t++]=strtoul (*++argv, &p, 0);
+		if (*p)
+		  crash ("address required");
+		argc--;
+		trace_inits[t]=0;
+	        break;
 	      default: crash("Invalid option letter");
 	      }
 	}
diff -Naurp ./main.c ../dis6502-0.12-mywork/main.c
--- ./main.c	2012-07-23 02:06:50.000000000 +0200
+++ ../dis6502-0.12-mywork/main.c	2012-07-23 02:21:31.000000000 +0200
@@ -27,6 +27,7 @@
 
 #include "dis.h"
 
+unsigned long  trace_inits[1000];
 int sevenbit = 0;  /* if true, mask character data with 0x7f to ignore MSB */
 
 #define NTSTART 2500
@@ -201,12 +202,18 @@ void trace_all (void)
 
 void start_trace (addr_t loc, char *name)
 {
+	int t=0;
+
+	do {
 	fprintf(stderr, "Trace: %4x %s\n", loc, name);
 	f[loc] |= (NAMED | SREF);
 	if (!get_name(loc))
 		save_name(loc, name);
 	save_ref(0, loc);
 	add_trace(loc);
+
+	loc=trace_inits[t];
+	} while (trace_inits[t++]);
 }