diff --git a/17test_pseudo_addi.asm b/17test_pseudo_addi.asm
new file mode 100644
index 0000000..9b0d3bc
--- /dev/null
+++ b/17test_pseudo_addi.asm
@@ -0,0 +1,3 @@
+    addi    $s0,    $zero,  0xfadd
+end:
+    j       end
\ No newline at end of file
diff --git a/17test_pseudo_addi.txt b/17test_pseudo_addi.txt
new file mode 100644
index 0000000..852b1af
--- /dev/null
+++ b/17test_pseudo_addi.txt
@@ -0,0 +1,4 @@
+20'd0: instruction <= 32'h3c010000;
+20'd1: instruction <= 32'h3421fadd;
+20'd2: instruction <= 32'h00018020;
+20'd3: instruction <= 32'h08000003;
diff --git a/17test_pseudo_addi_mars.txt b/17test_pseudo_addi_mars.txt
new file mode 100644
index 0000000..68ac728
--- /dev/null
+++ b/17test_pseudo_addi_mars.txt
@@ -0,0 +1,4 @@
+3c010000
+3421fadd
+00018020
+08000003