Automatically find dupa() address, fix plo() command

.debugusrc1.js.txt

@@ -0,0 +1,32 @@
+// User script
+
+lif("Loading user init script for program ./test");
+ler("Test error message");
+
+var offset = "@DUPA_ADDR"; // dupa(), objdump -d ./test
+
+// Testing...
+pf();
+ppid();
+pplo();
+baddr(offset);
+lsbrk();
+
+lif("1 --------------------------------------------");
+dr();
+var r14 = gr("r14");
+sr("r14", "0x0");
+lif("2 --------------------------------------------");
+dr();
+sr("r14", r14);
+lif("3 --------------------------------------------");
+dr();
+
+var r14_mem = mrdr("r14");
+lif("Memory at r14 " + r14_mem);
+mwrr("r14", "0x696969");
+lif("Memory at r14 " + mrdr("r14"));
+mwrr("r14", r14_mem);
+lif("Memory at r14 " + mrdr("r14"));
+
+// cont();