6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-03-25 06:30:38 +00:00
Code Issues Projects Releases Wiki Activity

Implement XCHG.

Browse Source
This commit is contained in:
Thomas Harte 2023-10-10 22:34:42 -04:00
parent 5125907048
commit a83b43a1ae
2 changed files with 37 additions and 20 deletions
InstructionSets/x86/Implementation
PerformImplementation.hpp
OSBindings/Mac/Clock SignalTests
8088Tests.mm

44
InstructionSets/x86/Implementation/PerformImplementation.hpp

@ -502,6 +502,16 @@ void test(IntT &destination, IntT source, Status &status) {
status.parity = result;
}
template <typename IntT>
void xchg(IntT &destination, IntT &source) {
/*
TEMP ← DEST
DEST ← SRC
SRC ← TEMP
*/
std::swap(destination, source);
}
template <typename IntT>
void mul(IntT &destination_high, IntT &destination_low, IntT source, Status &status) {
/*
@ -1029,112 +1039,112 @@ template <
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNO:
Primitive::jump(
!status.condition<Status::Condition::Overflow>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JB:
Primitive::jump(
status.condition<Status::Condition::Below>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNB:
Primitive::jump(
!status.condition<Status::Condition::Below>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JZ:
Primitive::jump(
status.condition<Status::Condition::Zero>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNZ:
Primitive::jump(
!status.condition<Status::Condition::Zero>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JBE:
Primitive::jump(
status.condition<Status::Condition::BelowOrEqual>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNBE:
Primitive::jump(
!status.condition<Status::Condition::BelowOrEqual>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JS:
Primitive::jump(
status.condition<Status::Condition::Sign>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNS:
Primitive::jump(
!status.condition<Status::Condition::Sign>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JP:
Primitive::jump(
!status.condition<Status::Condition::ParityOdd>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNP:
Primitive::jump(
status.condition<Status::Condition::ParityOdd>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JL:
Primitive::jump(
status.condition<Status::Condition::Less>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNL:
Primitive::jump(
!status.condition<Status::Condition::Less>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JLE:
Primitive::jump(
status.condition<Status::Condition::LessOrEqual>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::JNLE:
Primitive::jump(
!status.condition<Status::Condition::LessOrEqual>(),
instruction.displacement(),
registers,
flow_controller);
break;
return;
case Operation::CLC: Primitive::clc(status); return;
case Operation::CLD: Primitive::cld(status); return;
@ -1143,6 +1153,8 @@ template <
case Operation::STD: Primitive::std(status); return;
case Operation::STI: Primitive::sti(status); return;
case Operation::CMC: Primitive::cmc(status); return;
case Operation::XCHG: Primitive::xchg(destination(), source()); return;
}
// Write to memory if required to complete this operation.

13
OSBindings/Mac/Clock SignalTests/8088Tests.mm

@ -418,11 +418,16 @@ struct FailedExecution {
// @"80.7.json.gz", @"81.7.json.gz", @"83.7.json.gz",
// TEST
@"84.json.gz", @"85.json.gz",
@"A8.json.gz", @"A9.json.gz",
@"F6.0.json.gz", @"F7.0.json.gz",
// @"84.json.gz", @"85.json.gz",
// @"A8.json.gz", @"A9.json.gz",
// @"F6.0.json.gz", @"F7.0.json.gz",
// TODO: XCHG, XLAT
// XCHG
@"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
// TODO: SALC, SETMO, SETMOC
]];