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Ensures state is evaluated directly at opcode end.

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This commit is contained in:
Thomas Harte 2019-12-14 15:09:06 -05:00
parent 37e26c0c37
commit adf6723bf6
1 changed files with 60 additions and 50 deletions
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110
OSBindings/Mac/Clock SignalTests/68000ComparativeTests.mm
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@ -12,6 +12,7 @@
#include <array>
#include <memory>
#include <functional>
@interface M68000ComparativeTests : XCTestCase
@end
@ -50,12 +51,14 @@
struct Test68000: public CPU::MC68000::BusHandler {
std::array<uint8_t, 16*1024*1024> ram;
CPU::MC68000::Processor<Test68000, true, true> processor;
std::function<void(void)> comparitor;
Test68000() : processor(*this) {
}
void will_perform(uint32_t address, uint16_t opcode) {
--instructions_remaining_;
if(!instructions_remaining_) comparitor();
}
HalfCycles perform_bus_operation(const CPU::MC68000::Microcycle &cycle, int is_supervisor) {
@ -66,8 +69,9 @@
return HalfCycles(0);
}
void run_for_instructions(int instructions) {
void run_for_instructions(int instructions, const std::function<void(void)> &compare) {
instructions_remaining_ = instructions + 1; // i.e. run up to the will_perform of the instruction after.
comparitor = std::move(compare);
while(instructions_remaining_) {
processor.run_for(HalfCycles(2));
}
@ -76,64 +80,70 @@
private:
int instructions_remaining_;
};
auto test68000 = std::make_unique<Test68000>();
auto uniqueTest68000 = std::make_unique<Test68000>();
auto test68000 = uniqueTest68000.get();
memset(test68000->ram.data(), 0xce, test68000->ram.size());
// Apply initial memory state.
NSArray<NSNumber *> *const initialMemory = test[@"initial memory"];
NSEnumerator<NSNumber *> *enumerator = [initialMemory objectEnumerator];
while(true) {
NSNumber *const address = [enumerator nextObject];
NSNumber *const value = [enumerator nextObject];
{
// Apply initial memory state.
NSArray<NSNumber *> *const initialMemory = test[@"initial memory"];
NSEnumerator<NSNumber *> *enumerator = [initialMemory objectEnumerator];
while(true) {
NSNumber *const address = [enumerator nextObject];
NSNumber *const value = [enumerator nextObject];
if(!address || !value) break;
test68000->ram[address.integerValue ^ 1] = value.integerValue; // Effect a short-resolution endianness swap.
if(!address || !value) break;
test68000->ram[address.integerValue ^ 1] = value.integerValue; // Effect a short-resolution endianness swap.
}
// Apply initial processor state.
NSDictionary *const initialState = test[@"initial state"];
auto state = test68000->processor.get_state();
for(int c = 0; c < 8; ++c) {
const NSString *dX = [@"d" stringByAppendingFormat:@"%d", c];
const NSString *aX = [@"a" stringByAppendingFormat:@"%d", c];
state.data[c] = uint32_t([initialState[dX] integerValue]);
if(c < 7)
state.address[c] = uint32_t([initialState[aX] integerValue]);
}
state.supervisor_stack_pointer = uint32_t([initialState[@"a7"] integerValue]);
state.user_stack_pointer = uint32_t([initialState[@"usp"] integerValue]);
state.status = [initialState[@"sr"] integerValue];
test68000->processor.set_state(state);
}
// Apply initial processor state.
NSDictionary *const initialState = test[@"initial state"];
auto state = test68000->processor.get_state();
for(int c = 0; c < 8; ++c) {
const NSString *dX = [@"d" stringByAppendingFormat:@"%d", c];
const NSString *aX = [@"a" stringByAppendingFormat:@"%d", c];
state.data[c] = [initialState[dX] integerValue];
if(c < 7)
state.address[c] = [initialState[aX] integerValue];
}
state.supervisor_stack_pointer = [initialState[@"a7"] integerValue];
state.user_stack_pointer = [initialState[@"usp"] integerValue];
state.status = [initialState[@"sr"] integerValue];
test68000->processor.set_state(state);
// Run the thing.
test68000->run_for_instructions(1);
const auto comparitor = [=] {
// Test the end state.
NSDictionary *const finalState = test[@"final state"];
const auto state = test68000->processor.get_state();
for(int c = 0; c < 8; ++c) {
const NSString *dX = [@"d" stringByAppendingFormat:@"%d", c];
const NSString *aX = [@"a" stringByAppendingFormat:@"%d", c];
// Test the end state.
NSDictionary *const finalState = test[@"final state"];
state = test68000->processor.get_state();
for(int c = 0; c < 8; ++c) {
const NSString *dX = [@"d" stringByAppendingFormat:@"%d", c];
const NSString *aX = [@"a" stringByAppendingFormat:@"%d", c];
XCTAssertEqual(state.data[c], [finalState[dX] integerValue], @"%@: D%d inconsistent", name, c);
if(c < 7) {
XCTAssertEqual(state.address[c], [finalState[aX] integerValue], @"%@: A%d inconsistent", name, c);
XCTAssertEqual(state.data[c], [finalState[dX] integerValue], @"%@: D%d inconsistent", name, c);
if(c < 7) {
XCTAssertEqual(state.address[c], [finalState[aX] integerValue], @"%@: A%d inconsistent", name, c);
}
}
}
XCTAssertEqual(state.supervisor_stack_pointer, [finalState[@"a7"] integerValue], @"%@: A7 inconsistent", name);
XCTAssertEqual(state.user_stack_pointer, [finalState[@"usp"] integerValue], @"%@: USP inconsistent", name);
XCTAssertEqual(state.status, [finalState[@"sr"] integerValue], @"%@: Status inconsistent", name);
XCTAssertEqual(state.supervisor_stack_pointer, [finalState[@"a7"] integerValue], @"%@: A7 inconsistent", name);
XCTAssertEqual(state.user_stack_pointer, [finalState[@"usp"] integerValue], @"%@: USP inconsistent", name);
XCTAssertEqual(state.status, [finalState[@"sr"] integerValue], @"%@: Status inconsistent", name);
// Test final memory state.
NSArray<NSNumber *> *const finalMemory = test[@"final memory"];
enumerator = [finalMemory objectEnumerator];
while(true) {
NSNumber *const address = [enumerator nextObject];
NSNumber *const value = [enumerator nextObject];
// Test final memory state.
NSArray<NSNumber *> *const finalMemory = test[@"final memory"];
NSEnumerator *enumerator = [finalMemory objectEnumerator];
while(true) {
NSNumber *const address = [enumerator nextObject];
NSNumber *const value = [enumerator nextObject];
if(!address || !value) break;
XCTAssertEqual(test68000->ram[address.integerValue ^ 1], value.integerValue, @"%@: Memory at location %@ inconsistent", name, address);
}
if(!address || !value) break;
XCTAssertEqual(test68000->ram[address.integerValue ^ 1], value.integerValue, @"%@: Memory at location %@ inconsistent", name, address);
}
};
test68000->run_for_instructions(1, comparitor);
}
@end