Add LOADIND and STOREIND

hal/instructions.go

@@ -56,6 +56,8 @@ var instructions = []*Instruction{
 	InstructionSub,
 	InstructionMul,
 	InstructionDiv,
+	InstructionLoadInd,
+	InstructionStoreInd,
 }
 
 var InstructionStart = &Instruction{
@@ -218,3 +220,19 @@ var InstructionSub = newMathInstruction("SUB", subInstr)
 var InstructionMul = newMathInstruction("MUL", mulInstr)
 
 var InstructionDiv = newMathInstruction("DIV", divInstr)
+
+var InstructionLoadInd = &Instruction{
+	Name: "LOADIND",
+	ExecuteWithOperand: func(module *Module, operand float64) error {
+		module.mmu.Read(Address(operand))
+		return nil
+	},
+}
+
+var InstructionStoreInd = &Instruction{
+	Name: "STOREIND",
+	ExecuteWithOperand: func(module *Module, operand float64) error {
+		module.mmu.Write(Address(operand), module.accumulator)
+		return nil
+	},
+}