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Implement XLAT.

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This commit is contained in:
Thomas Harte 2023-10-12 21:12:03 -04:00
parent d35377c776
commit bf832768e6
2 changed files with 27 additions and 12 deletions
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25
InstructionSets/x86/Implementation/PerformImplementation.hpp
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@ -814,7 +814,7 @@ void ld(
template <Model model, typename IntT, typename InstructionT, typename MemoryT, typename RegistersT>
void lea(
InstructionT &instruction,
const InstructionT &instruction,
IntT &destination,
MemoryT &memory,
RegistersT &registers
@ -823,6 +823,23 @@ void lea(
destination = IntT(address<model, uint16_t>(instruction, instruction.source(), registers, memory));
}
template <typename AddressT, typename InstructionT, typename MemoryT, typename RegistersT>
void xlat(
const InstructionT &instruction,
MemoryT &memory,
RegistersT &registers
) {
Source source_segment = instruction.segment_override();
if(source_segment == Source::None) source_segment = Source::DS;
AddressT address;
if constexpr (std::is_same_v<AddressT, uint16_t>) {
address = registers.bx() + registers.al();
}
registers.al() = memory.template access<uint8_t>(source_segment, address);
}
template <typename IntT>
void mov(IntT &destination, IntT source) {
destination = source;
@ -903,9 +920,7 @@ void setmo(IntT &destination, Status &status) {
template <typename IntT>
void setmoc(IntT &destination, uint8_t cl, Status &status) {
if(cl) {
setmo(destination, status);
}
if(cl) setmo(destination, status);
}
}
@ -1085,6 +1100,8 @@ template <
// TODO.
}
return;
case Operation::XLAT: Primitive::xlat<uint16_t>(instruction, memory, registers); return;
}
// Write to memory if required to complete this operation.

14
OSBindings/Mac/Clock SignalTests/8088Tests.mm
View File

@ -441,16 +441,14 @@ struct FailedExecution {
@"86.json.gz", @"87.json.gz",
@"91.json.gz", @"92.json.gz", @"93.json.gz", @"94.json.gz",
@"95.json.gz", @"96.json.gz", @"97.json.gz",
// TODO: XLAT
*/
@"D6.json.gz", // SALC
// SETMO
@"D0.6.json.gz", @"D1.6.json.gz",
// SETMOC
@"D2.6.json.gz", @"D3.6.json.gz",
@"D7.json.gz", // XLAT
/*
@"D6.json.gz", // SALC
@"D0.6.json.gz", @"D1.6.json.gz", // SETMO
@"D2.6.json.gz", @"D3.6.json.gz", // SETMOC
*/
]];
NSSet *ignoreList = nil;