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Fix potential app lockups when emulated CPU execution fails in the debugger.

This commit is contained in:
Stephen Anthony 2017-08-16 19:00:32 -02:30
parent d92566ad40
commit c1f7c5c90b
1 changed files with 8 additions and 6 deletions
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14
src/emucore/tia/TIA.cxx
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@ -1019,8 +1019,8 @@ TIA& TIA::updateScanline()
{
// Update frame by one scanline at a time
uInt32 line = scanlines();
while (line == scanlines())
updateScanlineByStep();
while (line == scanlines() && mySystem->m6502().execute(1))
updateEmulation();
return *this;
}
@ -1029,8 +1029,8 @@ TIA& TIA::updateScanline()
TIA& TIA::updateScanlineByStep()
{
// Update frame by one CPU instruction/color clock
mySystem->m6502().execute(1);
updateEmulation();
if (mySystem->m6502().execute(1))
updateEmulation();
return *this;
}
@ -1038,8 +1038,10 @@ TIA& TIA::updateScanlineByStep()
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
TIA& TIA::updateScanlineByTrace(int target)
{
while (mySystem->m6502().getPC() != target)
updateScanlineByStep();
uInt32 count = 100; // only try up to 100 steps
while (mySystem->m6502().getPC() != target && count-- &&
mySystem->m6502().execute(1))
updateEmulation();
return *this;
}