mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-02 02:49:28 +00:00
bdda84dfde
For the record, I'm aware that there's a lot here that I'm not testing. I think the smart move is to get towards a running machine and see which configurations it actually tries to set up, then follow along with appropriate testing; it might cause me to discover a flaw in my comprehension before I've made the same mistake in both the code and a test.
90 lines
2.1 KiB
Plaintext
90 lines
2.1 KiB
Plaintext
//
|
|
// IIgsMemoryMapTests.mm
|
|
// Clock SignalTests
|
|
//
|
|
// Created by Thomas Harte on 25/10/2020.
|
|
// Copyright © 2020 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#import <XCTest/XCTest.h>
|
|
|
|
#include "../../../Machines/Apple/AppleIIgs/MemoryMap.hpp"
|
|
|
|
namespace {
|
|
using MemoryMap = Apple::IIgs::MemoryMap;
|
|
}
|
|
|
|
@interface IIgsMemoryMapTests : XCTestCase
|
|
@end
|
|
|
|
@implementation IIgsMemoryMapTests {
|
|
MemoryMap _memoryMap;
|
|
std::vector<uint8_t> _ram;
|
|
std::vector<uint8_t> _rom;
|
|
}
|
|
|
|
- (void)setUp {
|
|
_ram.resize((128 + 8 * 1024) * 1024);
|
|
_rom.resize(256 * 1024);
|
|
_memoryMap.set_storage(_ram, _rom);
|
|
}
|
|
|
|
- (void)write:(uint8_t)value address:(uint32_t)address {
|
|
const auto ®ion = MemoryMapRegion(_memoryMap, address);
|
|
MemoryMapWrite(_memoryMap, region, address, &value);
|
|
}
|
|
|
|
- (uint8_t)readAddress:(uint32_t)address {
|
|
const auto ®ion = MemoryMapRegion(_memoryMap, address);
|
|
uint8_t value;
|
|
MemoryMapRead(region, address, &value);
|
|
return value;
|
|
}
|
|
|
|
- (void)testHigherRAM {
|
|
// Fill memory via the map.
|
|
for(int address = 0x020000; address < 0x800000; ++address) {
|
|
const uint8_t value = uint8_t(address ^ (address >> 8));
|
|
[self write:value address:address];
|
|
}
|
|
|
|
// Test by direct access.
|
|
for(int address = 0x020000; address < 0x800000; ++address) {
|
|
const uint8_t value = uint8_t(address ^ (address >> 8));
|
|
XCTAssertEqual([self readAddress:address], value);
|
|
}
|
|
}
|
|
|
|
- (void)testROMIsReadonly {
|
|
_rom[0] = 0xc0;
|
|
|
|
// Test that ROM can be read in the correct location.
|
|
XCTAssertEqual([self readAddress:0xfc0000], 0xc0);
|
|
|
|
// Try writing to it, and check that nothing happened.
|
|
[self write:0xfc address:0xfc0000];
|
|
XCTAssertEqual(_rom[0], 0xc0);
|
|
}
|
|
|
|
- (void)testROM {
|
|
_rom.back() = 0xa8;
|
|
auto test_bank = [self](uint32_t bank) {
|
|
const uint32_t address = bank | 0x00ffff;
|
|
XCTAssertEqual([self readAddress:address], 0xa8);
|
|
};
|
|
|
|
test_bank(0x000000);
|
|
test_bank(0x010000);
|
|
test_bank(0xe00000);
|
|
test_bank(0xe10000);
|
|
}
|
|
|
|
- (void)testShadowing {
|
|
[self write:0xab address:0x000400];
|
|
[self write:0xcd address:0x010400];
|
|
XCTAssertEqual([self readAddress:0xe00400], 0xab);
|
|
XCTAssertEqual([self readAddress:0xe10400], 0xcd);
|
|
}
|
|
|
|
@end
|