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Adds IN/OUT I/D [R] to complete tests.

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Thomas Harte 2021-04-13 22:00:24 -04:00
parent 0d61902b10
commit 68a04f4e6a
1 changed files with 120 additions and 0 deletions
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120
OSBindings/Mac/Clock SignalTests/Z80ContentionTests.mm
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@ -58,6 +58,10 @@ struct CapturingZ80: public CPU::Z80::BusHandler {
z80_.set_value_of_register(CPU::Z80::Register::DE, value); z80_.set_value_of_register(CPU::Z80::Register::DE, value);
} }
void set_bc(uint16_t value) {
z80_.set_value_of_register(CPU::Z80::Register::BC, 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);
@ -1348,5 +1352,121 @@ struct ContentionCheck {
} }
} }
- (void)testINIIND {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xa2}, // INI
{0xed, 0xaa}, // IND
}) {
CapturingZ80 z80(sequence);
z80.run_for(16);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_ir+1, 1},
{initial_bc_de_hl, 4, true},
{initial_bc_de_hl, 3},
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 5},
{initial_bc_de_hl, 4, true},
{initial_bc_de_hl, 3},
} z80:z80];
}
}
- (void)testINIRINDR {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xb2}, // INIR
{0xed, 0xba}, // INDR
}) {
CapturingZ80 z80(sequence);
z80.run_for(21);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_ir+1, 1},
{initial_bc_de_hl, 4, true},
{initial_bc_de_hl, 3},
{initial_bc_de_hl, 1},
{initial_bc_de_hl, 1},
{initial_bc_de_hl, 1},
{initial_bc_de_hl, 1},
{initial_bc_de_hl, 1},
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 5},
{initial_bc_de_hl, 4, true},
{initial_bc_de_hl, 8},
} z80:z80];
}
}
- (void)testOUTIOUTD {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xa3}, // OUTI
{0xed, 0xab}, // OUTD
}) {
CapturingZ80 z80(sequence);
// Establish a distinct value for BC.
constexpr uint16_t bc = 0x9876;
z80.set_bc(bc);
z80.run_for(16);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_ir+1, 1},
{initial_bc_de_hl, 3},
{bc - 256, 4, true}, // B is decremented before the output.
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 5},
{initial_bc_de_hl, 3},
{bc - 256, 4, true},
} z80:z80];
}
}
- (void)testOTIROTDR {
for(const auto &sequence : std::vector<std::vector<uint8_t>>{
{0xed, 0xb3}, // OTIR
{0xed, 0xbb}, // OTDR
}) {
CapturingZ80 z80(sequence);
// Establish a distinct value for BC.
constexpr uint16_t bc = 0x9876;
z80.set_bc(bc);
z80.run_for(21);
[self validate48Contention:{
{initial_pc, 4},
{initial_pc+1, 4},
{initial_ir+1, 1},
{initial_bc_de_hl, 3},
{bc - 256, 4, true}, // B is decremented before the output.
{bc - 256, 1},
{bc - 256, 1},
{bc - 256, 1},
{bc - 256, 1},
{bc - 256, 1},
} z80:z80];
[self validatePlus3Contention:{
{initial_pc, 4},
{initial_pc+1, 5},
{initial_bc_de_hl, 3},
{bc - 256, 9, false}, // Abuse of the is_io flag here for the purposes of testing;
// the +3 doesn't contend output so this doesn't matter.
} z80:z80];
}
}
@end @end