Fix LOADIND and STOREIND

hal/instructions.go

@@ -226,7 +226,7 @@ var InstructionDiv = newMathInstruction("DIV", divInstr)
 var InstructionLoadInd = &Instruction{
 	Name: "LOADIND",
 	ExecuteWithOperand: func(module *Module, operand float64) error {
-		module.mmu.Read(Address(operand))
+		module.mmu.Read(Address(module.register[int(operand)]))
 		return nil
 	},
 }
@@ -234,7 +234,7 @@ var InstructionLoadInd = &Instruction{
 var InstructionStoreInd = &Instruction{
 	Name: "STOREIND",
 	ExecuteWithOperand: func(module *Module, operand float64) error {
-		module.mmu.Write(Address(operand), module.accumulator)
+		module.mmu.Write(Address(module.register[int(operand)]), module.accumulator)
 		return nil
 	},
 }