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72 lines
1.4 KiB
Plaintext
72 lines
1.4 KiB
Plaintext
//
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// x86DataPointerTests.m
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// Clock Signal
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//
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// Created by Thomas Harte on 27/02/2022.
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// Copyright 2022 Thomas Harte. All rights reserved.
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//
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#import <XCTest/XCTest.h>
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#include "../../../InstructionSets/x86/DataPointerResolver.hpp"
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using namespace InstructionSet::x86;
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@interface x86DataPointerTests : XCTestCase
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@end
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@implementation x86DataPointerTests
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//- (InstructionSet::x86::Instruction<false>)instruction16WithSourceDataPointer:(DataPointer)pointer {
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// return x86::Instruction<false>{
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// InstructionSet::x86::Operation::AAA,
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// S
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// };
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//}
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- (void)testX {
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const DataPointer pointer(
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Source::eAX, Source::eDI, 0
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);
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struct Registers {
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uint16_t ax = 0x1234, di = 0x00ee;
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template <typename DataT, Register r> DataT read() {
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assert(is_sized<DataT>(r));
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switch(r) {
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case Register::AX: return ax;
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case Register::DI: return di;
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default: return 0;
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}
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}
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template <typename DataT, Register r> void write(DataT) {
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assert(false);
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}
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} registers;
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struct Memory {
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template<typename DataT> DataT read(Source, uint32_t address) {
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if(address == 0x1234 + 0x00ee) return 0xff;
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return 0;
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}
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template<typename DataT> void write(Source, uint32_t, DataT) {
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assert(false);
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}
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} memory;
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const auto instruction = Instruction<false>();
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const uint8_t value = DataPointerResolver<
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Model::i8086, Registers, Memory>::read<uint8_t>(
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registers,
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memory,
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instruction,
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pointer
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);
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XCTAssertEqual(value, 0xff);
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}
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@end
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