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Avoid permitting writes in the Cx00 region after uninhibiting the language card.

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This commit is contained in:
Thomas Harte 2022-06-28 16:35:47 -04:00
parent 22c0b588c4
commit 6abc317986
2 changed files with 11 additions and 2 deletions
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1
Machines/Apple/AppleIIgs/MemoryMap.hpp
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@ -379,6 +379,7 @@ class MemoryMap {
c0_region.flags |= Region::IsIO;
#define apply_region(flag, region) \
region.write = nullptr; \
if(flag) { \
region.read = rom; \
region.flags &= ~Region::IsIO; \

12
OSBindings/Mac/Clock SignalTests/IIgsMemoryMapTests.mm
View File

@ -318,9 +318,13 @@ namespace {
// Test read pointers.
testMemory(@"read", ^(int logical, int physical, const MemoryMap::Region &region) {
XCTAssert(region.read != nullptr);
const int foundPhysical = physicalOffset(&region.read[logical << 8]);
if(region.read == nullptr) {
*stop = YES;
return;
}
// Compare to correct value.
const int foundPhysical = physicalOffset(&region.read[logical << 8]);
XCTAssert(physical == foundPhysical,
@"Logical page %04x should be mapped to read physical %04x; is instead %04x",
logical,
@ -341,9 +345,13 @@ namespace {
}
XCTAssert(region.write != nullptr);
const int foundPhysical = physicalOffset(&region.write[logical << 8]);
if(region.write == nullptr) {
*stop = YES;
return;
}
// Compare to correct value.
const int foundPhysical = physicalOffset(&region.write[logical << 8]);
XCTAssert(physical == foundPhysical,
@"Logical page %04x should be mapped to write physical %04x; is instead %04x",
logical,