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Debugger: Fixed refresh/display issues after changing PRG ROM via the memory tools or assembler

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This commit is contained in:
Sour 2019-11-03 13:52:15 -05:00
parent a75294320b
commit 20fe8bd4c7
3 changed files with 27 additions and 18 deletions
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35
Core/Disassembler.cpp
View file

@ -206,7 +206,7 @@ void Disassembler::GetInfo(AddressTypeInfo &info, uint8_t** source, uint32_t &si
}
uint32_t Disassembler::BuildCache(AddressTypeInfo &info, uint16_t cpuAddress, bool isSubEntryPoint, bool processJumps)
uint32_t Disassembler::BuildCache(AddressTypeInfo &info, uint16_t cpuAddress, bool isSubEntryPoint, bool processJumps, bool forceDisassemble)
{
uint32_t mask = info.Type == AddressType::InternalRam ? 0x7FF : 0xFFFFFFFF;
@ -218,13 +218,16 @@ uint32_t Disassembler::BuildCache(AddressTypeInfo &info, uint16_t cpuAddress, bo
if(info.Address >= 0) {
DisassemblyInfo *disInfo = (*cache)[absoluteAddr].get();
if(!disInfo) {
while(absoluteAddr < (int32_t)size && !(*cache)[absoluteAddr]) {
if(!disInfo || forceDisassemble) {
while(absoluteAddr < (int32_t)size && (forceDisassemble || !(*cache)[absoluteAddr])) {
bool isJump = IsUnconditionalJump(source[absoluteAddr]);
if(!forceDisassemble) {
disInfo = new DisassemblyInfo(source+absoluteAddr, isSubEntryPoint);
isSubEntryPoint = false;
(*cache)[absoluteAddr] = shared_ptr<DisassemblyInfo>(disInfo);
}
forceDisassemble = false;
absoluteAddr += disInfo->GetSize();
if(isJump) {
@ -246,7 +249,7 @@ uint32_t Disassembler::BuildCache(AddressTypeInfo &info, uint16_t cpuAddress, bo
constexpr uint8_t jsrCode = 0x20;
if(addressInfo.Address >= 0) {
BuildCache(addressInfo, jumpDest, opCode == jsrCode, false);
BuildCache(addressInfo, jumpDest, opCode == jsrCode, false, false);
}
}
}
@ -301,7 +304,7 @@ void Disassembler::InvalidateCache(AddressTypeInfo &info)
void Disassembler::RebuildPrgRomCache(uint32_t absoluteAddr, int32_t length)
{
for(int i = 1; i <= 2; i++) {
for(int i = 0; i <= 2; i++) {
int offsetAddr = (int)absoluteAddr - i;
if(offsetAddr >= 0) {
if(_disassembleCache[offsetAddr] != nullptr) {
@ -313,18 +316,22 @@ void Disassembler::RebuildPrgRomCache(uint32_t absoluteAddr, int32_t length)
}
}
bool isSubEntryPoint = false;
if(_disassembleCache[absoluteAddr]) {
isSubEntryPoint = _disassembleCache[absoluteAddr]->IsSubEntryPoint();
}
for(int i = absoluteAddr, end = absoluteAddr + length; i < end; i++) {
_disassembleCache[i] = nullptr;
}
uint16_t memoryAddr = _debugger->GetRelativeAddress(absoluteAddr, AddressType::PrgRom);
AddressTypeInfo info = { (int32_t)absoluteAddr, AddressType::PrgRom };
BuildCache(info, memoryAddr, isSubEntryPoint, false);
//Re-disassemble based on the previous instruction (if one exists)
for(int i = 0; i < 6; i++) {
int offsetAddr = (int)absoluteAddr - i;
if(offsetAddr >= 0 && _disassembleCache[offsetAddr] != nullptr) {
int32_t memoryAddr = _debugger->GetRelativeAddress(offsetAddr, AddressType::PrgRom);
if(memoryAddr >= 0) {
AddressTypeInfo info = { offsetAddr, AddressType::PrgRom };
BuildCache(info, memoryAddr, false, false, true);
}
break;
}
}
}
static const char* hexTable[256] = {

2
Core/Disassembler.h
View file

@ -41,7 +41,7 @@ public:
void BuildOpCodeTables(bool useLowerCase);
void Reset();
uint32_t BuildCache(AddressTypeInfo &info, uint16_t memoryAddr, bool isSubEntryPoint, bool processJumps);
uint32_t BuildCache(AddressTypeInfo &info, uint16_t memoryAddr, bool isSubEntryPoint, bool processJumps, bool forceDisassemble = false);
void InvalidateCache(AddressTypeInfo &info);
bool IsUnofficialOpCode(uint8_t opCode);

2
Core/MemoryDumper.cpp
View file

@ -165,6 +165,8 @@ void MemoryDumper::SetMemoryValues(DebugMemoryType memoryType, uint32_t address,
if(infoStart.Type == AddressType::PrgRom && infoEnd.Type == AddressType::PrgRom && infoEnd.Address - infoStart.Address == length) {
_disassembler->RebuildPrgRomCache(infoStart.Address, length);
}
} else if(memoryType == DebugMemoryType::PrgRom) {
_disassembler->RebuildPrgRomCache(address, length);
}
AddUndoHistory(originalRomData);