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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(); int cyc = mySystem.cycles();
unlockBankswitchState(); unlockBankswitchState();
myOSystem.console().tia().updateScanlineByStep(); myOSystem.console().tia().updateScanlineByStep().flushLineCache();
lockBankswitchState(); lockBankswitchState();
return mySystem.cycles() - cyc; return mySystem.cycles() - cyc;
@ -335,7 +335,7 @@ int Debugger::trace()
int targetPC = myCpuDebug->pc() + 3; // return address int targetPC = myCpuDebug->pc() + 3; // return address
unlockBankswitchState(); unlockBankswitchState();
myOSystem.console().tia().updateScanlineByTrace(targetPC); myOSystem.console().tia().updateScanlineByTrace(targetPC).flushLineCache();
lockBankswitchState(); lockBankswitchState();
return mySystem.cycles() - cyc; return mySystem.cycles() - cyc;
@ -411,6 +411,8 @@ void Debugger::nextScanline(int lines)
--lines; --lines;
} }
lockBankswitchState(); 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 // Update frame by one scanline at a time
uInt32 line = scanlines(); uInt32 line = scanlines();
while (line == scanlines()) while (line == scanlines())
updateScanlineByStep(); updateScanlineByStep();
return *this;
} }
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByStep() TIA& TIA::updateScanlineByStep()
{ {
// Update frame by one CPU instruction/color clock // Update frame by one CPU instruction/color clock
mySystem->m6502().execute(1); mySystem->m6502().execute(1);
updateEmulation(); updateEmulation();
return *this;
} }
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByTrace(int target) TIA& TIA::updateScanlineByTrace(int target)
{ {
while (mySystem->m6502().getPC() != target) while (mySystem->m6502().getPC() != target)
updateScanlineByStep(); 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. 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 This method should be called to update the TIA with a new partial
scanline by stepping one CPU instruction. scanline by stepping one CPU instruction.
*/ */
void updateScanlineByStep(); TIA& updateScanlineByStep();
/** /**
This method should be called to update the TIA with a new partial This method should be called to update the TIA with a new partial
scanline by tracing to target address. scanline by tracing to target address.
*/ */
void updateScanlineByTrace(int target); TIA& updateScanlineByTrace(int target);
/** /**
Retrieve the last value written to a certain register Retrieve the last value written to a certain register