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Implement LEA.

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This commit is contained in:
Thomas Harte 2023-10-12 14:31:25 -04:00
parent cf846f501a
commit da029ee344
2 changed files with 16 additions and 3 deletions
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13
InstructionSets/x86/Implementation/PerformImplementation.hpp
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@ -812,6 +812,17 @@ void ld(
}
}
template <Model model, typename IntT, typename InstructionT, typename MemoryT, typename RegistersT>
void lea(
InstructionT &instruction,
IntT &destination,
MemoryT &memory,
RegistersT &registers
) {
// TODO: address size.
destination = IntT(address<model, uint16_t>(instruction, instruction.source(), registers, memory));
}
template <typename FlowControllerT>
void int_(uint8_t vector, FlowControllerT &flow_controller) {
flow_controller.interrupt(vector);
@ -1006,6 +1017,8 @@ template <
case Operation::LDS: if constexpr (data_size == DataSize::Word) Primitive::ld<model, Source::DS>(instruction, destination(), memory, registers); return;
case Operation::LES: if constexpr (data_size == DataSize::Word) Primitive::ld<model, Source::ES>(instruction, destination(), memory, registers); return;
case Operation::LEA: Primitive::lea<model>(instruction, destination(), memory, registers); return;
case Operation::JO: jcc(status.condition<Condition::Overflow>()); return;
case Operation::JNO: jcc(!status.condition<Condition::Overflow>()); return;
case Operation::JB: jcc(status.condition<Condition::Below>()); return;

6
OSBindings/Mac/Clock SignalTests/8088Tests.mm
View File

@ -374,11 +374,11 @@ struct FailedExecution {
@"9E.json.gz", // SAHF
@"9F.json.gz", // LAHF
*/
@"C5.json.gz", // LDS
@"C4.json.gz", // LES
// TODO: LEA
*/
@"8D.json.gz", // LEA
// TODO: CMPS, LODS, MOVS, SCAS, STOS