Implemented addition

src/build/asm/Instructions.go

@@ -2,6 +2,17 @@ package asm
 
 import "git.akyoto.dev/cli/q/src/build/cpu"
 
+// AddRegisterNumber adds a number to the given register.
+func (a *Assembler) AddRegisterNumber(reg cpu.Register, number uint64) {
+	a.Instructions = append(a.Instructions, Instruction{
+		Mnemonic: ADD,
+		Data: &RegisterNumber{
+			Register: reg,
+			Number:   number,
+		},
+	})
+}
+
 // MoveRegisterNumber moves a number into the given register.
 func (a *Assembler) MoveRegisterNumber(reg cpu.Register, number uint64) {
 	a.Instructions = append(a.Instructions, Instruction{