diff --git a/target/e2k/translate/alc.c b/target/e2k/translate/alc.c
index b712739b37..0441b52814 100644
--- a/target/e2k/translate/alc.c
+++ b/target/e2k/translate/alc.c
@@ -972,14 +972,18 @@ static MemOp gen_mas(DisasContext *ctx, int chan, MemOp memop, TCGv_i64 addr)
 
     if ((mas & 0x7) == 7) {
         // TODO: special mas
-        e2k_tr_gen_exception(ctx, E2K_EXCP_ILLOPC);
+//        e2k_tr_gen_exception(ctx, E2K_EXCP_ILLOPC);
+        qemu_log_mask(LOG_UNIMP, "0x%lx: mas=0x%x is not implemented!\n",
+            ctx->pc, mas);
     } else if (mas) {
         int mod = extract8(mas, 0, 3);
 //        int dc = extract8(mas, 5, 2);
 
         if (mod != 0) {
             // TODO: mas modes
-            e2k_tr_gen_exception(ctx, E2K_EXCP_ILLOPC);
+//            e2k_tr_gen_exception(ctx, E2K_EXCP_ILLOPC);
+            qemu_log_mask(LOG_UNIMP, "0x%lx: mas=0x%x is not implemented!\n",
+                ctx->pc, mas);
         }
 
         memop |= GET_BIT(mas, 3) ? MO_BE : MO_LE;
diff --git a/target/e2k/translate/control.c b/target/e2k/translate/control.c
index 1e36fd81a3..ada0c57aeb 100644
--- a/target/e2k/translate/control.c
+++ b/target/e2k/translate/control.c
@@ -448,7 +448,7 @@ static void gen_cs1(DisasContext *dc)
 //          my_printf ("trap = %d, ", trap);
         }
 
-        abort();
+    qemu_log_mask(LOG_UNIMP, "0x%lx: wait is not implemented!\n", dc->pc);
 //      my_printf ("ma_c = %d, fl_c = %d, ld_c = %d, st_c = %d, all_e = %d, "
 //                 "all_c = %d", ma_c, fl_c, ld_c, st_c, all_e, all_c);
     } else if (opc == CALL) {