6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-02-16 18:30:32 +00:00
Code Issues Projects Releases Wiki Activity

Implement SALC, SETMO, SETMOC.

Browse Source
This commit is contained in:
Thomas Harte 2023-10-12 15:52:05 -04:00
parent 97d3a9fa78
commit d35377c776
3 changed files with 45 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
InstructionSets/x86/Implementation/PerformImplementation.hpp
View File

@ -890,6 +890,24 @@ inline void std(Status &status) { status.set_from<Flag::Direction>(1); }
inline void sti(Status &status) { status.set_from<Flag::Interrupt>(1); }
inline void cmc(Status &status) { status.set_from<Flag::Carry>(!status.flag<Flag::Carry>()); }
inline void salc(uint8_t &al, const Status &status) {
al = status.flag<Flag::Carry>() ? 0xff : 0x00;
}
template <typename IntT>
void setmo(IntT &destination, Status &status) {
destination = ~0;
status.set_from<Flag::Carry, Flag::AuxiliaryCarry, Flag::Overflow>(0);
status.set_from<IntT, Flag::Sign, Flag::Zero, Flag::ParityOdd>(destination);
}
template <typename IntT>
void setmoc(IntT &destination, uint8_t cl, Status &status) {
if(cl) {
setmo(destination, status);
}
}
}
template <
@ -1051,6 +1069,22 @@ template <
case Operation::CMC: Primitive::cmc(status); return;
case Operation::XCHG: Primitive::xchg(destination(), source()); return;
case Operation::SALC: Primitive::salc(registers.al(), status); return;
case Operation::SETMO:
if constexpr (model == Model::i8086) {
Primitive::setmo(destination(), status);
} else {
// TODO.
}
return;
case Operation::SETMOC:
if constexpr (model == Model::i8086) {
Primitive::setmoc(destination(), registers.cl(), status);
} else {
// TODO.
}
return;
}
// Write to memory if required to complete this operation.

4
InstructionSets/x86/Status.hpp
View File

@ -82,7 +82,7 @@ class Status {
using FlagT = uint32_t;
// Flag getters.
template <Flag flag> bool flag() {
template <Flag flag> bool flag() const {
switch(flag) {
case Flag::Carry: return carry;
case Flag::AuxiliaryCarry: return auxiliary_carry;
@ -97,7 +97,7 @@ class Status {
}
// Condition evaluation.
template <Condition test> bool condition() {
template <Condition test> bool condition() const {
switch(test) {
case Condition::Overflow: return flag<Flag::Overflow>();
case Condition::Below: return flag<Flag::Carry>();

12
OSBindings/Mac/Clock SignalTests/8088Tests.mm
View File

@ -377,13 +377,14 @@ struct FailedExecution {
@"C5.json.gz", // LDS
@"C4.json.gz", // LES
*/
@"8D.json.gz", // LEA
*/
// TODO: CMPS, LODS, MOVS, SCAS, STOS
// TODO: LOOP, LOOPE, LOOPNE
/*
// MOV
@"88.json.gz", @"89.json.gz", @"8A.json.gz", @"8B.json.gz",
@"8C.json.gz", @"8E.json.gz",
@ -394,7 +395,6 @@ struct FailedExecution {
@"BC.json.gz", @"BD.json.gz", @"BE.json.gz", @"BF.json.gz",
@"C6.json.gz", @"C7.json.gz",
/*
// AND
@"20.json.gz", @"21.json.gz", @"22.json.gz", @"23.json.gz", @"24.json.gz", @"25.json.gz",
@"80.4.json.gz", @"81.4.json.gz", @"83.4.json.gz",
@ -443,8 +443,14 @@ struct FailedExecution {
@"95.json.gz", @"96.json.gz", @"97.json.gz",
// TODO: XLAT
// TODO: SALC, SETMO, SETMOC
*/
@"D6.json.gz", // SALC
// SETMO
@"D0.6.json.gz", @"D1.6.json.gz",
// SETMOC
@"D2.6.json.gz", @"D3.6.json.gz",
]];
NSSet *ignoreList = nil;