diff --git a/lib/comp.c b/lib/comp.c
index 877f7d1..1d61a22 100644
--- a/lib/comp.c
+++ b/lib/comp.c
@@ -2242,16 +2242,20 @@ static HCL_INLINE int emit_set (hcl_t* hcl)
 int hcl_compile (hcl_t* hcl, hcl_oop_t obj)
 {
 	hcl_oow_t saved_bc_len, saved_lit_len;
+	int log_default_type_mask;
 
 	HCL_ASSERT (hcl, GET_TOP_CFRAME_INDEX(hcl) < 0);
 
 	saved_bc_len = hcl->code.bc.len;
 	saved_lit_len = hcl->code.lit.len;
 
+	log_default_type_mask = hcl->log.default_type_mask;
+	hcl->log.default_type_mask |= HCL_LOG_COMPILER;
+
 	HCL_ASSERT (hcl, hcl->c->tv.size == 0);
 	HCL_ASSERT (hcl, hcl->c->blk.depth == -1);
 
-/* TODO: in case i implement all global variables as block arguments at the top level... */
+/* TODO: in case i implement all global variables as block arguments at the top level...what should i do? */
 	hcl->c->blk.depth++;
 	if (store_temporary_variable_count_for_block(hcl, hcl->c->tv.size) <= -1) return -1;
 
@@ -2379,11 +2383,15 @@ int hcl_compile (hcl_t* hcl, hcl_oop_t obj)
 	HCL_ASSERT (hcl, hcl->c->tv.size == 0);
 	HCL_ASSERT (hcl, hcl->c->blk.depth == 0);
 	hcl->c->blk.depth--;
+
+	hcl ->log.default_type_mask = log_default_type_mask;
 	return 0;
 
 oops:
 	POP_ALL_CFRAMES (hcl);
 
+	hcl->log.default_type_mask = log_default_type_mask;
+
 	/* rollback any bytecodes or literals emitted so far */
 	hcl->code.bc.len = saved_bc_len;
 	hcl->code.lit.len = saved_lit_len;
diff --git a/lib/exec.c b/lib/exec.c
index cf81b43..170506c 100644
--- a/lib/exec.c
+++ b/lib/exec.c
@@ -117,7 +117,7 @@ static HCL_INLINE const char* proc_state_to_string (int state)
 
 static int vm_startup (hcl_t* hcl)
 {
-	HCL_DEBUG0 (hcl, "VM started up\n");
+	HCL_DEBUG1 (hcl, "VM started up at IP %zd\n", hcl->ip);
 
 	if (hcl->vmprim.vm_startup(hcl) <= -1) return -1;
 	hcl->vmprim.vm_gettime (hcl, &hcl->exec_start_time); /* raw time. no adjustment */
@@ -129,7 +129,7 @@ static void vm_cleanup (hcl_t* hcl)
 {
 	hcl->vmprim.vm_gettime (hcl, &hcl->exec_end_time); /* raw time. no adjustment */
 	hcl->vmprim.vm_cleanup (hcl);
-	HCL_DEBUG0 (hcl, "VM started up\n");
+	HCL_DEBUG1 (hcl, "VM cleaned up at IP %zd\n", hcl->ip);
 }
 
 /* ------------------------------------------------------------------------- */
@@ -2270,6 +2270,10 @@ oops:
 int hcl_executefromip (hcl_t* hcl, hcl_ooi_t initial_ip)
 {
 	int n;
+	int log_default_type_mask;
+
+	log_default_type_mask = hcl->log.default_type_mask;
+	hcl->log.default_type_mask |= HCL_LOG_VM;
 
 	HCL_ASSERT (hcl, hcl->initial_context == HCL_NULL);
 	HCL_ASSERT (hcl, hcl->active_context == HCL_NULL);
@@ -2282,6 +2286,8 @@ int hcl_executefromip (hcl_t* hcl, hcl_ooi_t initial_ip)
 /* TODO: reset processor fields. set processor->tally to zero. processor->active to nil_process... */
 	hcl->initial_context = HCL_NULL;
 	hcl->active_context = HCL_NULL;
+
+	hcl->log.default_type_mask = log_default_type_mask;
 	return n;
 }
 
diff --git a/lib/main.c b/lib/main.c
index d23ac99..70f06af 100644
--- a/lib/main.c
+++ b/lib/main.c
@@ -93,6 +93,8 @@ struct xtn_t
 	int logfd;
 	int logmask;
 	int logfd_istty;
+
+	int reader_istty;
 };
 
 /* ========================================================================= */
@@ -201,6 +203,11 @@ static HCL_INLINE hcl_ooi_t open_input (hcl_t* hcl, hcl_ioinarg_t* arg)
 		goto oops;
 	}
 
+	if (!arg->includer)
+	{
+		xtn->reader_istty = isatty(fileno(bb->fp));
+	}
+
 	arg->handle = bb;
 	return 0;
 
@@ -1235,7 +1242,6 @@ int main (int argc, char* argv[])
 
 	{
 		hcl_oow_t tab_size;
-
 		tab_size = 5000;
 		hcl_setoption (hcl, HCL_SYMTAB_SIZE, &tab_size);
 		tab_size = 5000;
@@ -1361,12 +1367,10 @@ int main (int argc, char* argv[])
 					hcl_logbfmt (hcl, HCL_LOG_STDERR, "ERROR: cannot compile object - [%d] %js\n", hcl_geterrnum(hcl), hcl_geterrmsg(hcl));
 				}
 				/* carry on? */
-
-				hcl->code.bc.len = code_offset; /* just in case */
 			}
-			else
+			else if (xtn->reader_istty)
 			{
-				hcl_decode (hcl, 0, hcl->code.bc.len);
+				hcl_decode (hcl, code_offset, hcl->code.bc.len - code_offset);
 				HCL_LOG0 (hcl, HCL_LOG_MNEMONIC, "------------------------------------------\n");
 				g_hcl = hcl;
 				//setup_tick ();
@@ -1378,27 +1382,25 @@ int main (int argc, char* argv[])
 				g_hcl = HCL_NULL;
 			}
 		}
-
-
 	}
 
-
-
-
-{
-HCL_LOG0 (hcl, HCL_LOG_MNEMONIC, "------------------------------------------\n");
-HCL_LOG2 (hcl, HCL_LOG_MNEMONIC, "BYTECODES hcl->code.bc.len = > %lu hcl->code.lit.len => %lu\n", 
-	(unsigned long int)hcl->code.bc.len, (unsigned long int)hcl->code.lit.len);
-hcl_decode (hcl, 0, hcl->code.bc.len);
-
-/*hcl_dumpsymtab (hcl);*/
-}
-
+	if (!xtn->reader_istty)
+	{
+		hcl_decode (hcl, 0, hcl->code.bc.len);
+		HCL_LOG2 (hcl, HCL_LOG_MNEMONIC, "BYTECODES hcl->code.bc.len = > %lu hcl->code.lit.len => %lu\n", 
+			(unsigned long int)hcl->code.bc.len, (unsigned long int)hcl->code.lit.len);
+		g_hcl = hcl;
+		//setup_tick ();
+		if (hcl_execute(hcl) <= -1)
+		{
+			hcl_logbfmt (hcl, HCL_LOG_STDERR, "ERROR: cannot execute - [%d] %js\n", hcl_geterrnum(hcl), hcl_geterrmsg(hcl));
+		}
+		//cancel_tick();
+		g_hcl = HCL_NULL;
+		/*hcl_dumpsymtab (hcl);*/
+	}
 
 	hcl_close (hcl);
 
-#if defined(_WIN32) && defined(_DEBUG)
-getchar();
-#endif
 	return 0;
 }