Simplified file structure

src/asm/Mnemonic.go

@@ -0,0 +1,112 @@
+package asm
+
+type Mnemonic uint8
+
+const (
+	NONE Mnemonic = iota
+
+	// Arithmetic
+	ADD
+	DIV
+	MODULO
+	MUL
+	NEGATE
+	SUB
+
+	// Bitwise operations
+	AND
+	OR
+	SHIFTL
+	SHIFTRS
+	XOR
+
+	// Data movement
+	MOVE
+	LOAD
+	POP
+	PUSH
+	STORE
+
+	// Control flow
+	CALL
+	JE
+	JNE
+	JG
+	JGE
+	JL
+	JLE
+	JUMP
+	LABEL
+	RETURN
+	SYSCALL
+
+	// Others
+	COMMENT
+	COMPARE
+)
+
+// String returns a human readable version.
+func (m Mnemonic) String() string {
+	switch m {
+	case ADD:
+		return "add"
+	case AND:
+		return "and"
+	case CALL:
+		return "call"
+	case COMMENT:
+		return "comment"
+	case COMPARE:
+		return "compare"
+	case DIV:
+		return "div"
+	case JUMP:
+		return "jump"
+	case JE:
+		return "jump if =="
+	case JNE:
+		return "jump if !="
+	case JL:
+		return "jump if <"
+	case JG:
+		return "jump if >"
+	case JLE:
+		return "jump if <="
+	case JGE:
+		return "jump if >="
+	case LABEL:
+		return "label"
+	case LOAD:
+		return "load"
+	case MODULO:
+		return "mod"
+	case MOVE:
+		return "move"
+	case MUL:
+		return "mul"
+	case NEGATE:
+		return "negate"
+	case OR:
+		return "or"
+	case POP:
+		return "pop"
+	case PUSH:
+		return "push"
+	case RETURN:
+		return "return"
+	case SHIFTL:
+		return "shift l"
+	case SHIFTRS:
+		return "shift rs"
+	case SUB:
+		return "sub"
+	case STORE:
+		return "store"
+	case SYSCALL:
+		return "syscall"
+	case XOR:
+		return "xor"
+	default:
+		return ""
+	}
+}