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Deal with printing segment:offset.

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70 failing files remaining.
This commit is contained in:
Thomas Harte 2023-09-26 15:28:51 -04:00
parent 0a0051eb59
commit f16ac603f2
3 changed files with 32 additions and 16 deletions
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1
InstructionSets/x86/Decoder.cpp
View File

@ -777,6 +777,7 @@ std::pair<int, typename Decoder<model>::InstructionT> Decoder<model>::decode(con
case 5: operation_ = Operation::JMPfar; break;
case 6: operation_ = Operation::PUSH; break;
}
// TODO: CALLfar and JMPfar aren't correct above; find out what is.
break;
case ModRegRMFormat::MemRegSingleOperand:

4
InstructionSets/x86/Instruction.cpp
View File

@ -62,13 +62,13 @@ std::string InstructionSet::x86::to_string(Operation operation, DataSize size) {
case Operation::CALLabs: return "call";
case Operation::CALLrel: return "call";
case Operation::CALLfar: return "callf word";
case Operation::CALLfar: return "callf far";
case Operation::IRET: return "iret";
case Operation::RETfar: return "retf";
case Operation::RETnear: return "retn";
case Operation::JMPabs: return "jmp";
case Operation::JMPrel: return "jmp";
case Operation::JMPfar: return "jmpf word";
case Operation::JMPfar: return "jmpf far";
case Operation::JCXZ: return "jcxz";
case Operation::INT: return "int";
case Operation::INTO: return "into";

43
OSBindings/Mac/Clock SignalTests/8088Tests.mm
View File

@ -25,7 +25,7 @@ namespace {
// provide their real path here.
constexpr char TestSuiteHome[] = "/Users/tharte/Projects/ProcessorTests/8088/v1";
std::string to_hex(int value, int digits) {
std::string to_hex(int value, int digits, bool with_suffix = true) {
auto stream = std::stringstream();
stream << std::setfill('0') << std::uppercase << std::hex << std::setw(digits);
switch(digits) {
@ -33,7 +33,7 @@ std::string to_hex(int value, int digits) {
case 4: stream << +uint16_t(value); break;
default: stream << value; break;
}
stream << 'h';
if (with_suffix) stream << 'h';
return stream.str();
};
@ -173,6 +173,7 @@ std::string to_string(InstructionSet::x86::DataPointer pointer, const Instructio
// Form string version, compare.
std::string operation;
// TODO: determine which reps, if any, this operation permits, and print only as relevant.
using Repetition = InstructionSet::x86::Repetition;
switch(instruction.repetition()) {
case Repetition::None: break;
@ -182,18 +183,32 @@ std::string to_string(InstructionSet::x86::DataPointer pointer, const Instructio
operation += to_string(instruction.operation, instruction.operation_size());
const int operands = num_operands(instruction.operation);
const bool displacement = has_displacement(instruction.operation);
operation += " ";
if(operands > 1) {
operation += to_string(instruction.destination(), instruction, offsetLength);
operation += ", ";
}
if(operands > 0) {
operation += to_string(instruction.source(), instruction, offsetLength);
}
if(displacement) {
operation += to_hex(instruction.displacement(), 2);
// Deal with a few special cases up front.
using Operation = InstructionSet::x86::Operation;
switch(instruction.operation) {
default: {
const int operands = num_operands(instruction.operation);
const bool displacement = has_displacement(instruction.operation);
operation += " ";
if(operands > 1) {
operation += to_string(instruction.destination(), instruction, offsetLength);
operation += ", ";
}
if(operands > 0) {
operation += to_string(instruction.source(), instruction, offsetLength);
}
if(displacement) {
operation += to_hex(instruction.displacement(), 2);
}
} break;
case Operation::CALLfar:
case Operation::JMPfar: {
operation += " 0x";
operation += to_hex(instruction.segment(), 4, false);
operation += ":0x";
operation += to_hex(instruction.offset(), 4, false);
} break;
}
return [NSString stringWithUTF8String:operation.c_str()];