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NTSC TV video modes: adjust y-position by 1 pixel (#650)

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tomcw
2019-08-09 22:58:12 +01:00
parent df5127684a
commit 8a11feb739
2 changed files with 15 additions and 26 deletions
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source/Video.cpp
-22
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@@ -556,25 +556,6 @@ void VideoRedrawScreen (void)
//===========================================================================
// TC: Hacky-fix for GH#341 - better to draw to the correct position in the framebuffer to start with! (in NTSC.cpp)
// . NB. Now the dx is corrected in NTSC.cpp, updateVideoScannerAddress()
static void VideoFrameBufferAdjust(int& xSrc, int& ySrc, bool bInvertY=false)
{
int dx=0, dy=0;
if (g_eVideoType == VT_MONO_TV || g_eVideoType == VT_COLOR_TV)
{
// Adjust the src locations for the NTSC video modes
dy = -1;
}
if (bInvertY)
dy =- dy;
xSrc += dx;
ySrc += dy;
}
void VideoRefreshScreen ( uint32_t uRedrawWholeScreenVideoMode /* =0*/, bool bRedrawWholeScreen /* =false*/ )
{
if (bRedrawWholeScreen || g_nAppMode == MODE_PAUSED)
@@ -593,7 +574,6 @@ void VideoRefreshScreen ( uint32_t uRedrawWholeScreenVideoMode /* =0*/, bool bRe
{
int xSrc = GetFrameBufferBorderWidth();
int ySrc = GetFrameBufferBorderHeight();
VideoFrameBufferAdjust(xSrc, ySrc); // TC: Hacky-fix for GH#341
int xdest = IsFullScreen() ? GetFullScreenOffsetX() : 0;
int ydest = IsFullScreen() ? GetFullScreenOffsetY() : 0;
@@ -1085,8 +1065,6 @@ static void Video_MakeScreenShot(FILE *pFile, const VideoScreenShot_e ScreenShot
int xSrc = GetFrameBufferBorderWidth();
int ySrc = GetFrameBufferBorderHeight();
VideoFrameBufferAdjust(xSrc, ySrc, true); // TC: Hacky-fix for GH#341 & GH#356
// Lines stored in reverse, so invert the y-adjust value
pSrc += xSrc; // Skip left border
pSrc += ySrc * GetFrameBufferWidth(); // Skip top border