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Bugfix: Shift-Print Screen with 50% Scan Lines

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This commit is contained in:
mpohoreski 2009-02-18 22:24:50 +00:00
parent 23e826ebea
commit ed40975b9a
1 changed files with 25 additions and 17 deletions
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42
source/Video.cpp
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@ -715,7 +715,7 @@ void DrawHiResSourceHalfShiftDim ()
{
/***
activate for fringe reduction on white hgr text -
drawback: loss of color mix patterns in hgr g_nAppMode.
drawback: loss of color mix patterns in HGR mode.
select g_eVideoType by index exclusion
***/
@ -1170,17 +1170,22 @@ void DrawTextSource (HDC dc)
}
//===========================================================================
void SetLastDrawnImage () {
memcpy(vidlastmem+0x400,g_pTextBank0,0x400);
if (SW_HIRES)
memcpy(vidlastmem+0x2000,g_pHiresBank0,0x2000);
if (SW_DHIRES && SW_HIRES)
memcpy(vidlastmem,g_pHiresBank1,0x2000);
else if (SW_80COL) // Don't test for !SW_HIRES, as some 80-col text routines have SW_HIRES set (Bug #8300)
memcpy(vidlastmem,g_pTextBank1,0x400);
int loop;
for (loop = 0; loop < 256; loop++)
*(memdirty+loop) &= ~2;
void SetLastDrawnImage ()
{
memcpy(vidlastmem+0x400,g_pTextBank0,0x400);
if (SW_HIRES)
memcpy(vidlastmem+0x2000,g_pHiresBank0,0x2000);
if (SW_DHIRES && SW_HIRES)
memcpy(vidlastmem,g_pHiresBank1,0x2000);
else if (SW_80COL) // Don't test for !SW_HIRES, as some 80-col text routines have SW_HIRES set (Bug #8300)
memcpy(vidlastmem,g_pTextBank1,0x400);
int loop;
for (loop = 0; loop < 256; loop++)
{
*(memdirty+loop) &= ~2;
}
}
//===========================================================================
@ -1925,7 +1930,7 @@ void VideoDisplayLogo ()
SetTextAlign(hFrameDC,TA_RIGHT | TA_TOP);
SetBkMode(hFrameDC,TRANSPARENT);
#define VERSION_TXT "Version "
//#define VERSION_TXT "Version "
// Daily WTF candidate -- malloc every _frame_ ?!?!
// char* szVersion = new char[strlen(VERSION_TXT) + strlen(VERSIONSTRING) + 1];
@ -2173,7 +2178,10 @@ void _Video_RedrawScreen( VideoUpdateFuncPtr_t pfUpdate, bool bMixed )
// 50% Half Scan Line
if( g_uHalfScanLines )
{
// We clear every odd scanline because Shift-Print Screen saves only the even rows
// 50% Half Scan Line clears every odd scanline.
// Shift-Print Screen saves only the even rows.
// NOTE: Keep in sync with _Video_RedrawScreen() & Video_MakeScreenShot()
for( int y = 1; y < FRAMEBUFFER_H; y += 2 )
{
unsigned char *pSrc = pSrc = frameoffsettable[y];
@ -2782,9 +2790,9 @@ void Video_MakeScreenShot(FILE *pFile)
u8 aScanLine[ 280 ];
u8 *pDst;
// HACK HACK HACK -- authentic mode zero's out odd rows, force to a scanline that has data
pSrc += FRAMEBUFFER_W;
// 50% Half Scan Line clears every odd scanline.
// Shift-Print Screen saves only the even rows.
// NOTE: Keep in sync with _Video_RedrawScreen() & Video_MakeScreenShot()
for( int y = 0; y < FRAMEBUFFER_H/2; y++ )
{
pDst = aScanLine;