Introduced opcodes for NOT, OR, AND, XOR and EQ

Does a bit level version of each of these.

src/inst.h

@@ -40,6 +40,27 @@ typedef enum
   OP_MOV_HWORD,
   OP_MOV_WORD,
 
+  // Boolean operations
+  OP_NOT_BYTE,
+  OP_NOT_HWORD,
+  OP_NOT_WORD,
+
+  OP_OR_BYTE,
+  OP_OR_HWORD,
+  OP_OR_WORD,
+
+  OP_AND_BYTE,
+  OP_AND_HWORD,
+  OP_AND_WORD,
+
+  OP_XOR_BYTE,
+  OP_XOR_HWORD,
+  OP_XOR_WORD,
+
+  OP_EQ_BYTE,
+  OP_EQ_HWORD,
+  OP_EQ_WORD,
+
   OP_HALT = 0b11111111, // top of the byte is a HALT
 } opcode_t;
 
@@ -79,4 +100,10 @@ inst_t *insts_read_bytecode_file(FILE *, size_t *);
 #define INST_PUSH_REG(TYPE, REG) \
   ((inst_t){.opcode = OP_PUSH_REGISTER_##TYPE, .operand = D##TYPE(REG)})
 
+#define INST_NOT(TYPE) ((inst_t){.opcode = OP_NOT_##TYPE})
+#define INST_OR(TYPE)  ((inst_t){.opcode = OP_OR_##TYPE})
+#define INST_AND(TYPE) ((inst_t){.opcode = OP_AND_##TYPE})
+#define INST_XOR(TYPE) ((inst_t){.opcode = OP_XOR_##TYPE})
+#define INST_EQ(TYPE)  ((inst_t){.opcode = OP_EQ_##TYPE})
+
 #endif