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Flush the line cache after stepping. 

Ensures that the display will match the step afterwards.
This commit is contained in:
Christian Speckner 2017-04-24 00:34:25 +02:00
parent 24cb2417fc
commit ce204901dc
3 changed files with 16 additions and 8 deletions
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6
src/debugger/Debugger.cxx
View File

@ -306,7 +306,7 @@ int Debugger::step()
int cyc = mySystem.cycles();
unlockBankswitchState();
myOSystem.console().tia().updateScanlineByStep();
myOSystem.console().tia().updateScanlineByStep().flushLineCache();
lockBankswitchState();
return mySystem.cycles() - cyc;
@ -335,7 +335,7 @@ int Debugger::trace()
int targetPC = myCpuDebug->pc() + 3; // return address
unlockBankswitchState();
myOSystem.console().tia().updateScanlineByTrace(targetPC);
myOSystem.console().tia().updateScanlineByTrace(targetPC).flushLineCache();
lockBankswitchState();
return mySystem.cycles() - cyc;
@ -411,6 +411,8 @@ void Debugger::nextScanline(int lines)
--lines;
}
lockBankswitchState();
myOSystem.console().tia().flushLineCache();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

12
src/emucore/tia/TIA.cxx
View File

@ -905,27 +905,33 @@ void TIA::setJitterRecoveryFactor(Int32 f)
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanline()
TIA& TIA::updateScanline()
{
// Update frame by one scanline at a time
uInt32 line = scanlines();
while (line == scanlines())
updateScanlineByStep();
return *this;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByStep()
TIA& TIA::updateScanlineByStep()
{
// Update frame by one CPU instruction/color clock
mySystem->m6502().execute(1);
updateEmulation();
return *this;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByTrace(int target)
TIA& TIA::updateScanlineByTrace(int target)
{
while (mySystem->m6502().getPC() != target)
updateScanlineByStep();
return *this;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

6
src/emucore/tia/TIA.hxx
View File

@ -294,19 +294,19 @@ class TIA : public Device
/**
This method should be called to update the TIA with a new scanline.
*/
void updateScanline();
TIA& updateScanline();
/**
This method should be called to update the TIA with a new partial
scanline by stepping one CPU instruction.
*/
void updateScanlineByStep();
TIA& updateScanlineByStep();
/**
This method should be called to update the TIA with a new partial
scanline by tracing to target address.
*/
void updateScanlineByTrace(int target);
TIA& updateScanlineByTrace(int target);
/**
Retrieve the last value written to a certain register