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Ensure pipeline is fully flushed before registers are accessed.

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This commit is contained in:
Thomas Harte 2022-08-06 14:55:31 -04:00
parent 6981bc8a82
commit 021ddb3565
1 changed files with 32 additions and 1 deletions
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33
OSBindings/Mac/Clock SignalTests/AmigaBlitterTests.mm
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@ -41,6 +41,18 @@ struct Chipset {
NSData *const traceData = [NSData dataWithContentsOfURL:traceURL];
NSArray *const trace = [NSJSONSerialization JSONObjectWithData:traceData options:0 error:nil];
using TransactionType = Amiga::Blitter<true>::Transaction::Type;
const auto finish_blit = [&blitter] {
while(blitter.get_status() & 0x4000) {
blitter.advance_dma();
}
const auto transactions = blitter.get_and_reset_transactions();
for(const auto &transaction: transactions) {
XCTAssertTrue(transaction.type == TransactionType::SkippedSlot || transaction.type == TransactionType::WriteFromPipeline);
}
};
NSUInteger index = -1;
for(NSArray *const event in trace) {
NSString *const type = event[0];
@ -51,88 +63,108 @@ struct Chipset {
// Register writes. Pass straight along.
//
if([type isEqualToString:@"bltcon0"]) {
finish_blit();
blitter.set_control(0, param1);
continue;
}
if([type isEqualToString:@"bltcon1"]) {
finish_blit();
blitter.set_control(1, param1);
continue;
}
if([type isEqualToString:@"bltsize"]) {
finish_blit();
blitter.set_size(param1);
continue;
}
if([type isEqualToString:@"bltafwm"]) {
finish_blit();
blitter.set_first_word_mask(param1);
continue;
}
if([type isEqualToString:@"bltalwm"]) {
finish_blit();
blitter.set_last_word_mask(param1);
continue;
}
if([type isEqualToString:@"bltadat"]) {
finish_blit();
blitter.set_data(0, param1);
continue;
}
if([type isEqualToString:@"bltbdat"]) {
finish_blit();
blitter.set_data(1, param1);
continue;
}
if([type isEqualToString:@"bltcdat"]) {
finish_blit();
blitter.set_data(2, param1);
continue;
}
if([type isEqualToString:@"bltamod"]) {
finish_blit();
blitter.set_modulo<0>(param1);
continue;
}
if([type isEqualToString:@"bltbmod"]) {
finish_blit();
blitter.set_modulo<1>(param1);
continue;
}
if([type isEqualToString:@"bltcmod"]) {
finish_blit();
blitter.set_modulo<2>(param1);
continue;
}
if([type isEqualToString:@"bltdmod"]) {
finish_blit();
blitter.set_modulo<3>(param1);
continue;
}
if([type isEqualToString:@"bltaptl"]) {
finish_blit();
blitter.set_pointer<0, 0>(param1);
continue;
}
if([type isEqualToString:@"bltbptl"]) {
finish_blit();
blitter.set_pointer<1, 0>(param1);
continue;
}
if([type isEqualToString:@"bltcptl"]) {
finish_blit();
blitter.set_pointer<2, 0>(param1);
continue;
}
if([type isEqualToString:@"bltdptl"]) {
finish_blit();
blitter.set_pointer<3, 0>(param1);
continue;
}
if([type isEqualToString:@"bltapth"]) {
finish_blit();
blitter.set_pointer<0, 16>(param1);
continue;
}
if([type isEqualToString:@"bltbpth"]) {
finish_blit();
blitter.set_pointer<1, 16>(param1);
continue;
}
if([type isEqualToString:@"bltcpth"]) {
finish_blit();
blitter.set_pointer<2, 16>(param1);
continue;
}
if([type isEqualToString:@"bltdpth"]) {
finish_blit();
blitter.set_pointer<3, 16>(param1);
continue;
}
@ -141,7 +173,6 @@ struct Chipset {
// Bus activity. Store as initial state, and translate for comparison.
//
Amiga::Blitter<true>::Transaction expected_transaction;
using TransactionType = Amiga::Blitter<true>::Transaction::Type;
expected_transaction.address = uint32_t(param1 >> 1);
expected_transaction.value = uint16_t([event[2] integerValue]);