Add step 1 of assembler
diff --git a/mnemonics.h b/mnemonics.h
new file mode 100644
index 0000000..e9d6dfe
--- /dev/null
+++ b/mnemonics.h
@@ -0,0 +1,62 @@
+
+#pragma once
+
+// File not auto generated (unfortunately), needs to be kept up to date manually
+
+#define MNEMONICS								\
+	MN(LDA)										\
+		MN(LDX)									\
+		MN(LDY)									\
+		MN(STA)									\
+		MN(STX)									\
+		MN(STY)									\
+		MN(ADC)									\
+		MN(SBC)									\
+		MN(INC)									\
+		MN(INX)									\
+		MN(INY)									\
+		MN(DEC)									\
+		MN(DEX)									\
+		MN(DEY)									\
+		MN(ASL)									\
+		MN(LSR)									\
+		MN(ROL)									\
+		MN(ROR)									\
+		MN(AND)									\
+		MN(ORA)									\
+		MN(EOR)									\
+		MN(CMP)									\
+		MN(CPX)									\
+		MN(CPY)									\
+		MN(BIT)									\
+		MN(BCC)									\
+		MN(BCS)									\
+		MN(BNE)									\
+		MN(BEQ)									\
+		MN(BPL)									\
+		MN(BMI)									\
+		MN(BVC)									\
+		MN(BVS)									\
+		MN(TAX)									\
+		MN(TXA)									\
+		MN(TAY)									\
+		MN(TYA)									\
+		MN(TSX)									\
+		MN(TXS)									\
+		MN(PHA)									\
+		MN(PLA)									\
+		MN(PHP)									\
+		MN(PLP)									\
+		MN(JMP)									\
+		MN(JSR)									\
+		MN(RTS)									\
+		MN(RTI)									\
+		MN(CLC)									\
+		MN(SEC)									\
+		MN(CLD)									\
+		MN(SED)									\
+		MN(CLI)									\
+		MN(SEI)									\
+		MN(CLV)									\
+		MN(BRK)									\
+		MN(NOP)