diff --git a/pa0/instruction_map.h b/pa0/instruction_map.h
new file mode 100644
index 0000000..c3ea77f
--- /dev/null
+++ b/pa0/instruction_map.h
@@ -0,0 +1,45 @@
+/**
+ * University of Connecticut
+ * CSE 4302 / ECE 5402: Computer Architecture
+ * Fall 2023
+ * 
+ * Programming Assignment 1: Non-pipelined Simulator
+ * 
+ * riscy-uconn: instruction_map.h
+ * 
+ * DO NOT MODIFY THIS FILE
+ * 
+ */
+
+#pragma once
+
+/* Opcode Bits */
+#define RTYPE        0x33
+#define ITYPE_ARITH  0x13
+#define ITYPE_LOAD   0x3
+#define STYPE        0x23
+#define BTYPE        0x63
+#define LUI          0x37
+#define JAL          0x6F
+#define JALR         0x67
+
+/* Funct3 Bits */
+/* R and I-Type Arithmetic */
+#define ADD_SUB      0b000
+#define SUB          0b000
+#define SLT          0b010
+#define SLL          0b001
+#define SRL          0b101
+#define AND          0b111
+#define OR           0b110
+#define XOR          0b100
+/* I-type JALR and Load, S-type, and B-type */
+#define LW_SW        0b010
+#define BEQ          0b000
+#define BNE          0b001
+#define BLT          0b100
+#define BGE          0b101
+
+/* R-type Funct7s */
+#define ADD_F7       0x0
+#define SUB_F7       0x20
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