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memory: bus and rom should not be writeable

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so fix tests and shit

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
This commit is contained in:
Amneesh Singh
2023-10-05 00:21:18 +05:30
parent e0f7f32699
commit 174008f60c
8 changed files with 255 additions and 252 deletions
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43
tests/memory.cc
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@@ -15,14 +15,18 @@ class MemFixture {
Memory memory;
};
TEST_CASE_METHOD(MemFixture, "bios", TAG) {
memory.write(0, 0xAC);
TEST_CASE("bios", TAG) {
std::array<uint8_t, Memory::BIOS_SIZE> bios = { 0 };
// populate bios
bios[0] = 0xAC;
bios[0x3FFF] = 0x48;
bios[0x2A56] = 0x10;
Memory memory(std::move(bios), std::vector<uint8_t>(Header::HEADER_SIZE));
CHECK(memory.read(0) == 0xAC);
memory.write(0x3FFF, 0x48);
CHECK(memory.read(0x3FFF) == 0x48);
memory.write(0x2A56, 0x10);
CHECK(memory.read(0x2A56) == 0x10);
}
@@ -82,40 +86,31 @@ TEST_CASE_METHOD(MemFixture, "oam obj ram", TAG) {
}
TEST_CASE("rom", TAG) {
std::vector<uint8_t> rom(32 * 1024 * 1024, 0);
// populate rom
rom[0] = 0xAC;
rom[0x1FFFFFF] = 0x48;
rom[0x0EF0256] = 0x10;
// 32 megabyte ROM
Memory memory(std::array<uint8_t, Memory::BIOS_SIZE>(),
std::vector<uint8_t>(32 * 1024 * 1024));
Memory memory(std::array<uint8_t, Memory::BIOS_SIZE>(), std::move(rom));
SECTION("ROM1") {
memory.write(0x8000000, 0xAC);
CHECK(memory.read(0x8000000) == 0xAC);
memory.write(0x9FFFFFF, 0x48);
CHECK(memory.read(0x9FFFFFF) == 0x48);
memory.write(0x8ef0256, 0x10);
CHECK(memory.read(0x8ef0256) == 0x10);
CHECK(memory.read(0x8EF0256) == 0x10);
}
SECTION("ROM2") {
memory.write(0xA000000, 0xAC);
CHECK(memory.read(0xA000000) == 0xAC);
memory.write(0xBFFFFFF, 0x48);
CHECK(memory.read(0xBFFFFFF) == 0x48);
memory.write(0xAEF0256, 0x10);
CHECK(memory.read(0xAEF0256) == 0x10);
}
SECTION("ROM3") {
memory.write(0xC000000, 0xAC);
CHECK(memory.read(0xC000000) == 0xAC);
memory.write(0xDFFFFFF, 0x48);
CHECK(memory.read(0xDFFFFFF) == 0x48);
memory.write(0xCEF0256, 0x10);
CHECK(memory.read(0xCEF0256) == 0x10);
}
}