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Fix EXT, SWAP.

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This commit is contained in:
Thomas Harte 2022-05-03 20:17:36 -04:00
parent 052ba80fd7
commit de58ec71fd
2 changed files with 7 additions and 7 deletions
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12
InstructionSets/M68k/Implementation/PerformImplementation.hpp
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@ -473,16 +473,16 @@ template <
break;
case Operation::EXTbtow:
dest.w = uint16_t(int8_t(dest.b));
src.w = uint16_t(int8_t(src.b));
status.overflow_flag_ = status.carry_flag_ = 0;
status.zero_result_ = dest.w;
status.zero_result_ = src.w;
status.negative_flag_ = status.zero_result_ & 0x8000;
break;
case Operation::EXTwtol:
dest.l = u_extend16(dest.w);
src.l = u_extend16(src.w);
status.overflow_flag_ = status.carry_flag_ = 0;
status.zero_result_ = dest.l;
status.zero_result_ = src.l;
status.negative_flag_ = status.zero_result_ & 0x80000000;
break;
@ -943,12 +943,12 @@ template <
} break;
case Operation::SWAP: {
uint16_t *const words = reinterpret_cast<uint16_t *>(&dest);
uint16_t *const words = reinterpret_cast<uint16_t *>(&src.l);
const auto temporary = words[0];
words[0] = words[1];
words[1] = temporary;
status.zero_result_ = dest.l;
status.zero_result_ = src.l;
status.negative_flag_ = temporary & 0x8000;
status.overflow_flag_ = status.carry_flag_ = 0;
} break;

2
OSBindings/Mac/Clock SignalTests/68000ComparativeTests.mm
View File

@ -54,7 +54,7 @@
- (void)setUp {
// To limit tests run to a subset of files and/or of tests, uncomment and fill in below.
_fileSet = [NSSet setWithArray:@[@"ext.json", @"jmp_jsr.json"]];
// _testSet = [NSSet setWithArray:@[@"Bcc 6206"]];
_testSet = [NSSet setWithArray:@[@"EXT/EXTB 0031"]];
// _fileSet = [NSSet setWithArray:@[@"jmp_jsr.json"]];
// _testSet = [NSSet setWithArray:@[@"CHK 41a8"]];
}