Remove superfluous bytes in program disassembly

[emu8051.git] / src / pgmwin.c

diff --git a/src/pgmwin.c b/src/pgmwin.c
index 09a6e83..0e8961b 100644 (file)
--- a/src/pgmwin.c
+++ b/src/pgmwin.c
@@ -273,9 +273,14 @@ pgmwin_refresh(void)
                        InstSize = cpu8051_get_instruction_size(OpCode);
 
                        /* Display instruction hex bytes. */
-                       for (k = 0, col_id = COL_B0; k < InstSize; k++, col_id++) {
-                               int2asciihex(memory_read8(PGM_MEM_ID, Address + k),
-                                            str, 2);
+                       for (k = 0, col_id = COL_B0; k < 3; k++, col_id++) {
+                               if (k < InstSize)
+                                       int2asciihex(memory_read8(PGM_MEM_ID,
+                                                                 Address + k),
+                                                    str, 2);
+                               else
+                                       str[0] = '\0';
+
                                gtk_list_store_set(store, &iter, col_id, str, -1);
                        }