diff --git a/test_main.cpp b/test_main.cpp
index 82e1a78..71a20f6 100644
--- a/test_main.cpp
+++ b/test_main.cpp
@@ -116,4 +116,22 @@ int main(int argc, char **argv)
     test_alu_instruction_vf(0xA4, 0x00, 0x812E, (0xA4<<1)&0xFF, 0x01);
     printf("SHL (zero) ");
     test_alu_instruction_vf(0x24, 0x00, 0x812E, (0x24<<1)&0xFF, 0x00);
+
+    printf("PC increment: ");
+    reset();
+    run_instruction(0x0000); // NOP
+    step3();
+    if (top->v->pc != 0x2)
+        printf(" FAIL!\n");
+    else
+        printf(" OK.\n");
+
+    printf("JMP imm INS 1456: ");
+    reset();
+    run_instruction(0x1456);
+    step3();
+    if (top->v->pc != 0x456)
+        printf(" FAIL!\n");
+    else
+        printf(" OK.\n");
 }