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bus: send a weak ptr to io

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Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
This commit is contained in:
Amneesh Singh
2024-06-14 20:25:36 +05:30
parent d1df555a6a
commit bafd534671
8 changed files with 121 additions and 94 deletions
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115
tests/bus.cc
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@@ -8,11 +8,11 @@ using namespace matar;
class BusFixture {
public:
BusFixture()
: bus(std::array<uint8_t, Bus::BIOS_SIZE>(),
std::vector<uint8_t>(Header::HEADER_SIZE)) {}
: bus(Bus::init(std::array<uint8_t, Bus::BIOS_SIZE>(),
std::vector<uint8_t>(Header::HEADER_SIZE))) {}
protected:
Bus bus;
std::shared_ptr<Bus> bus;
};
TEST_CASE("bios", TAG) {
@@ -23,66 +23,67 @@ TEST_CASE("bios", TAG) {
bios[0x3FFF] = 0x48;
bios[0x2A56] = 0x10;
Bus bus(std::move(bios), std::vector<uint8_t>(Header::HEADER_SIZE));
auto bus =
Bus::init(std::move(bios), std::vector<uint8_t>(Header::HEADER_SIZE));
CHECK(bus.read_byte(0) == 0xAC);
CHECK(bus.read_byte(0x3FFF) == 0x48);
CHECK(bus.read_byte(0x2A56) == 0x10);
CHECK(bus->read_byte(0) == 0xAC);
CHECK(bus->read_byte(0x3FFF) == 0x48);
CHECK(bus->read_byte(0x2A56) == 0x10);
}
TEST_CASE_METHOD(BusFixture, "board wram", TAG) {
bus.write_byte(0x2000000, 0xAC);
CHECK(bus.read_byte(0x2000000) == 0xAC);
bus->write_byte(0x2000000, 0xAC);
CHECK(bus->read_byte(0x2000000) == 0xAC);
bus.write_byte(0x203FFFF, 0x48);
CHECK(bus.read_byte(0x203FFFF) == 0x48);
bus->write_byte(0x203FFFF, 0x48);
CHECK(bus->read_byte(0x203FFFF) == 0x48);
bus.write_byte(0x2022A56, 0x10);
CHECK(bus.read_byte(0x2022A56) == 0x10);
bus->write_byte(0x2022A56, 0x10);
CHECK(bus->read_byte(0x2022A56) == 0x10);
}
TEST_CASE_METHOD(BusFixture, "chip wram", TAG) {
bus.write_byte(0x3000000, 0xAC);
CHECK(bus.read_byte(0x3000000) == 0xAC);
bus->write_byte(0x3000000, 0xAC);
CHECK(bus->read_byte(0x3000000) == 0xAC);
bus.write_byte(0x3007FFF, 0x48);
CHECK(bus.read_byte(0x3007FFF) == 0x48);
bus->write_byte(0x3007FFF, 0x48);
CHECK(bus->read_byte(0x3007FFF) == 0x48);
bus.write_byte(0x3002A56, 0x10);
CHECK(bus.read_byte(0x3002A56) == 0x10);
bus->write_byte(0x3002A56, 0x10);
CHECK(bus->read_byte(0x3002A56) == 0x10);
}
TEST_CASE_METHOD(BusFixture, "palette ram", TAG) {
bus.write_byte(0x5000000, 0xAC);
CHECK(bus.read_byte(0x5000000) == 0xAC);
bus->write_byte(0x5000000, 0xAC);
CHECK(bus->read_byte(0x5000000) == 0xAC);
bus.write_byte(0x50003FF, 0x48);
CHECK(bus.read_byte(0x50003FF) == 0x48);
bus->write_byte(0x50003FF, 0x48);
CHECK(bus->read_byte(0x50003FF) == 0x48);
bus.write_byte(0x5000156, 0x10);
CHECK(bus.read_byte(0x5000156) == 0x10);
bus->write_byte(0x5000156, 0x10);
CHECK(bus->read_byte(0x5000156) == 0x10);
}
TEST_CASE_METHOD(BusFixture, "video ram", TAG) {
bus.write_byte(0x6000000, 0xAC);
CHECK(bus.read_byte(0x6000000) == 0xAC);
bus->write_byte(0x6000000, 0xAC);
CHECK(bus->read_byte(0x6000000) == 0xAC);
bus.write_byte(0x6017FFF, 0x48);
CHECK(bus.read_byte(0x6017FFF) == 0x48);
bus->write_byte(0x6017FFF, 0x48);
CHECK(bus->read_byte(0x6017FFF) == 0x48);
bus.write_byte(0x6012A56, 0x10);
CHECK(bus.read_byte(0x6012A56) == 0x10);
bus->write_byte(0x6012A56, 0x10);
CHECK(bus->read_byte(0x6012A56) == 0x10);
}
TEST_CASE_METHOD(BusFixture, "oam obj ram", TAG) {
bus.write_byte(0x7000000, 0xAC);
CHECK(bus.read_byte(0x7000000) == 0xAC);
bus->write_byte(0x7000000, 0xAC);
CHECK(bus->read_byte(0x7000000) == 0xAC);
bus.write_byte(0x70003FF, 0x48);
CHECK(bus.read_byte(0x70003FF) == 0x48);
bus->write_byte(0x70003FF, 0x48);
CHECK(bus->read_byte(0x70003FF) == 0x48);
bus.write_byte(0x7000156, 0x10);
CHECK(bus.read_byte(0x7000156) == 0x10);
bus->write_byte(0x7000156, 0x10);
CHECK(bus->read_byte(0x7000156) == 0x10);
}
TEST_CASE("rom", TAG) {
@@ -94,43 +95,43 @@ TEST_CASE("rom", TAG) {
rom[0x0EF0256] = 0x10;
// 32 megabyte ROM
Bus bus(std::array<uint8_t, Bus::BIOS_SIZE>(), std::move(rom));
auto bus = Bus::init(std::array<uint8_t, Bus::BIOS_SIZE>(), std::move(rom));
SECTION("ROM1") {
CHECK(bus.read_byte(0x8000000) == 0xAC);
CHECK(bus.read_byte(0x9FFFFFF) == 0x48);
CHECK(bus.read_byte(0x8EF0256) == 0x10);
CHECK(bus->read_byte(0x8000000) == 0xAC);
CHECK(bus->read_byte(0x9FFFFFF) == 0x48);
CHECK(bus->read_byte(0x8EF0256) == 0x10);
}
SECTION("ROM2") {
CHECK(bus.read_byte(0xA000000) == 0xAC);
CHECK(bus.read_byte(0xBFFFFFF) == 0x48);
CHECK(bus.read_byte(0xAEF0256) == 0x10);
CHECK(bus->read_byte(0xA000000) == 0xAC);
CHECK(bus->read_byte(0xBFFFFFF) == 0x48);
CHECK(bus->read_byte(0xAEF0256) == 0x10);
}
SECTION("ROM3") {
CHECK(bus.read_byte(0xC000000) == 0xAC);
CHECK(bus.read_byte(0xDFFFFFF) == 0x48);
CHECK(bus.read_byte(0xCEF0256) == 0x10);
CHECK(bus->read_byte(0xC000000) == 0xAC);
CHECK(bus->read_byte(0xDFFFFFF) == 0x48);
CHECK(bus->read_byte(0xCEF0256) == 0x10);
}
}
TEST_CASE_METHOD(BusFixture, "Halfword", TAG) {
CHECK(bus.read_halfword(0x202FED9) == 0);
CHECK(bus->read_halfword(0x202FED9) == 0);
bus.write_halfword(0x202FED9, 0x1A4A);
CHECK(bus.read_halfword(0x202FED9) == 0x1A4A);
CHECK(bus.read_word(0x202FED9) == 0x1A4A);
CHECK(bus.read_byte(0x202FED9) == 0x4A);
bus->write_halfword(0x202FED9, 0x1A4A);
CHECK(bus->read_halfword(0x202FED9) == 0x1A4A);
CHECK(bus->read_word(0x202FED9) == 0x1A4A);
CHECK(bus->read_byte(0x202FED9) == 0x4A);
}
TEST_CASE_METHOD(BusFixture, "Word", TAG) {
CHECK(bus.read_word(0x600EE34) == 0);
CHECK(bus->read_word(0x600EE34) == 0);
bus.write_word(0x600EE34, 0x3ACC491D);
CHECK(bus.read_word(0x600EE34) == 0x3ACC491D);
CHECK(bus.read_halfword(0x600EE34) == 0x491D);
CHECK(bus.read_byte(0x600EE34) == 0x1D);
bus->write_word(0x600EE34, 0x3ACC491D);
CHECK(bus->read_word(0x600EE34) == 0x3ACC491D);
CHECK(bus->read_halfword(0x600EE34) == 0x491D);
CHECK(bus->read_byte(0x600EE34) == 0x1D);
}
#undef TAG