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First pass to get debugger stuff working for TIA display.

This commit is contained in:
Stephen Anthony 2017-01-14 21:39:45 -03:30
parent c0aa5c83f5
commit 42122c3465
2 changed files with 28 additions and 55 deletions
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79
src/emucore/tia/TIA.cxx
View File

@ -665,10 +665,9 @@ void TIA::enableColorLoss(bool enabled)
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// TODO: stub
uInt32 TIA::clocksThisLine() const
{
return 0;
return myHctr + myXDelta;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -684,11 +683,31 @@ bool TIA::partialFrame() const
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// TODO: stub
bool TIA::scanlinePos(uInt16& x, uInt16& y) const
{
if(partialFrame())
{
// We only care about the scanline position when it's in the viewable area
if(1)//myFramePointerClocks >= myFramePointerOffset)
{
x = clocksThisLine();//(myFramePointerClocks - myFramePointerOffset) % 160;
y = scanlines();//(myFramePointerClocks - myFramePointerOffset) / 160;
return true;
}
else
{
x = 0;
y = 0;
return false;
}
}
else
{
x = width();
y = height();
return false;
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool TIA::toggleBit(TIABit b, uInt8 mode)
@ -822,78 +841,34 @@ void TIA::setJitterRecoveryFactor(Int32 f)
{
}
#ifdef DEBUGGER_SUPPORT
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanline()
{
#if 0 // FIXME
// Start a new frame if the old one was finished
if(!myPartialFrameFlag)
startFrame();
myPartialFrameFlag = true; // true either way
#if 0
int totalClocks = (mySystem->cycles() * 3) - myClockWhenFrameStarted;
int endClock = ((totalClocks + 228) / 228) * 228;
int clock;
do {
mySystem->m6502().execute(1);
clock = mySystem->cycles() * 3;
updateFrame(clock);
} while(clock < endClock);
// if we finished the frame, get ready for the next one
if(!myPartialFrameFlag)
endFrame();
updateScanlineByStep();
} while((mySystem->cycles() * 3) < endClock);
#endif
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByStep()
{
#if 0 // FIXME
// Start a new frame if the old one was finished
if(!myPartialFrameFlag)
startFrame();
// true either way:
myPartialFrameFlag = true;
// Update frame by one CPU instruction/color clock
mySystem->m6502().execute(1);
updateFrame(mySystem->cycles() * 3);
// if we finished the frame, get ready for the next one
if(!myPartialFrameFlag)
endFrame();
#endif
updateEmulation();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateScanlineByTrace(int target)
{
#if 0 // FIXME
// Start a new frame if the old one was finished
if(!myPartialFrameFlag)
startFrame();
// true either way:
myPartialFrameFlag = true;
while(mySystem->m6502().getPC() != target)
{
mySystem->m6502().execute(1);
updateFrame(mySystem->cycles() * 3);
updateScanlineByStep();
}
// if we finished the frame, get ready for the next one
if(!myPartialFrameFlag)
endFrame();
#endif
}
#endif
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void TIA::updateEmulation()
{

2
src/emucore/tia/TIA.hxx
View File

@ -285,7 +285,6 @@ class TIA : public Device
// Clear both internal TIA buffers to black (palette color 0)
void clearBuffers();
#ifdef DEBUGGER_SUPPORT
/**
This method should be called to update the TIA with a new scanline.
*/
@ -302,7 +301,6 @@ class TIA : public Device
scanline by tracing to target address.
*/
void updateScanlineByTrace(int target);
#endif
/**
Save the current state of this device to the given Serializer.