Fix some of the many disasm spec problems...

We need more and better offset to line number recalculation. But for
simple stuff this works whereas the previous code did not.

Author: rocky

trepan/lib/disassemble.py

@@ -430,11 +430,18 @@ def null_print(_):
                 (start_line > cur_line) or start_offset and start_offset > offset
             ):
                 continue
+            else:
+                msg_nocr = orig_msg_nocr
+                msg = orig_msg
 
             if (cur_line > end_line) or (end_offset and offset > end_offset):
                 break
-        elif start_offset and offset and start_offset <= offset:
-            continue
+        elif start_offset and offset:
+            if offset >= start_offset:
+                msg_nocr = orig_msg_nocr
+                msg = orig_msg
+            else:
+                continue
 
         print_instruction(
             instr,

trepan/processor/cmd_addrlist.py

@@ -56,10 +56,10 @@ def parse_addr_list_cmd(proc, args, listsize=40):
             first = max(1, proc.list_lineno - (2 * listsize) - 1)
         elif text == "":
             # Continue from where we last left off
-            first = proc.list_offset + 1
-            last = first + listsize - 1
+            first = proc.list_offset
+            last = first + listsize
             return filename, first, True, last, True, proc.list_object
-        last = first + listsize - 1
+        last = first + listsize
         return filename, first, True, last, True, proc.list_object
     else:
         try:

trepan/processor/command/disassemble.py

@@ -184,10 +184,12 @@ def run(self, args):
             opts["start_offset"] = start
         else:
             opts["start_line"] = start
+            opts["start_offset"] = 0
         if last_is_offset:
             opts["end_offset"] = last
         else:
             opts["end_line"] = last
+            opts["end_offset"] = None
 
         if not obj and (
             bytecode_file