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Adds LDI/LDD/LDIR/LDDR tests.

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This commit is contained in:
Thomas Harte 2021-04-13 20:00:29 -04:00
parent 5998f3b35b
commit 3eec210b30
1 changed files with 71 additions and 1 deletions
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72
OSBindings/Mac/Clock SignalTests/Z80ContentionTests.mm
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@ -54,6 +54,10 @@ struct CapturingZ80: public CPU::Z80::BusHandler {
z80_.set_value_of_register(CPU::Z80::Register::StackPointer, initial_sp); z80_.set_value_of_register(CPU::Z80::Register::StackPointer, initial_sp);
} }
void set_de(uint16_t value) {
z80_.set_value_of_register(CPU::Z80::Register::DE, value);
}
void run_for(int cycles) { void run_for(int cycles) {
z80_.run_for(HalfCycles(Cycles(cycles))); z80_.run_for(HalfCycles(Cycles(cycles)));
XCTAssertEqual(bus_records_.size(), cycles * 2); XCTAssertEqual(bus_records_.size(), cycles * 2);
@ -1219,6 +1223,72 @@ struct ContentionCheck {
{initial_sp+1, 3}, {initial_sp+1, 3},
{initial_sp, 5}, {initial_sp, 5},
} z80:z80]; } z80:z80];
}} }
}
- (void)testLDILDD {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xa0}, // LDI
{0xed, 0xa8}, // LDD
}) {
CapturingZ80 z80(sequence);
// Establish a distinct value for DE.
constexpr uint16_t de = 0x9876;
z80.set_de(de);
z80.run_for(16);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_bc_de_hl, 3},
{de, 3},
{de, 1},
{de, 1},
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_bc_de_hl, 3},
{de, 5},
} z80:z80];
}
}
- (void)testLDIRLDDR {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xb0}, // LDIR
{0xed, 0xb8}, // LDDR
}) {
CapturingZ80 z80(sequence);
// Establish a distinct value for DE.
constexpr uint16_t de = 0x9876;
z80.set_de(de);
z80.run_for(21);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_bc_de_hl, 3},
{de, 3},
{de, 1},
{de, 1},
{de, 1},
{de, 1},
{de, 1},
{de, 1},
{de, 1},
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_bc_de_hl, 3},
{de, 10},
} z80:z80];
}
}
@end @end