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50% Half Scan Line

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This commit is contained in:
mpohoreski 2009-02-14 03:53:28 +00:00
parent fd537ade9e
commit 3139783a1f
1 changed files with 53 additions and 26 deletions
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79
AppleWin/source/Video.cpp
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@ -218,8 +218,8 @@ static WORD colormixmap[6][6][6];
static int g_nAltCharSetOffset = 0; // alternate character set
bool g_bVideoDisplayPage2 = 0;
bool g_VideoForceFullRedraw = 1;
bool g_bVideoDisplayPage2 = 0;
bool g_VideoForceFullRedraw = 1;
static LPBYTE framebufferaddr = (LPBYTE)0;
static LONG framebufferpitch = 0;
@ -231,7 +231,10 @@ static BOOL rebuiltsource = 0;
static DWORD dwVBlCounter = 0;
static LPBYTE vidlastmem = NULL;
static DWORD vidmode = VF_TEXT;
DWORD videotype = VT_COLOR_TVEMU;
DWORD g_uHalfScanLines = false; // drop 50% scan lines for a more authentic look
static bool g_bTextFlashState = false;
static bool g_bTextFlashFlag = false;
@ -457,16 +460,19 @@ void CreateIdentityPalette () {
}
//===========================================================================
void CreateDIBSections () {
void CreateDIBSections ()
{
CopyMemory(g_pSourceHeader->bmiColors,g_pFramebufferinfo->bmiColors,256*sizeof(RGBQUAD));
CopyMemory(g_pSourceHeader->bmiColors,g_pFramebufferinfo->bmiColors,256*sizeof(RGBQUAD));
// CREATE THE DEVICE CONTEXT
HWND window = GetDesktopWindow();
HDC dc = GetDC(window);
if (g_hDeviceDC)
DeleteDC(g_hDeviceDC);
g_hDeviceDC = CreateCompatibleDC(dc);
// CREATE THE DEVICE CONTEXT
HWND window = GetDesktopWindow();
HDC dc = GetDC(window);
if (g_hDeviceDC)
{
DeleteDC(g_hDeviceDC);
}
g_hDeviceDC = CreateCompatibleDC(dc);
// CREATE THE FRAME BUFFER DIB SECTION
if (g_hDeviceBitmap)
@ -495,8 +501,8 @@ void CreateDIBSections () {
if((videotype != VT_MONO_CUSTOM) &&
(videotype != VT_MONO_AMBER ) &&
(videotype != VT_MONO_GREEN ) &&
(videotype != VT_MONO_WHITE ) &&
(videotype != VT_MONO_AUTHENTIC))
(videotype != VT_MONO_WHITE ))
// (videotype != VT_MONO_AUTHENTIC))
{
DrawTextSource(sourcedc);
DrawLoResSource();
@ -908,12 +914,14 @@ void DrawMonoDHiResSource ()
{
BYTE colorval = pattern & (1 << (x+3)) ? iMonochrome : BLACK;
#if 0
if (videotype == VT_MONO_AUTHENTIC)
{
SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y ,colorval);
SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y+1,BLACK);
}
else
#endif
{
SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y ,colorval);
SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y+1,colorval);
@ -939,13 +947,14 @@ void DrawMonoHiResSource ()
val >>= 1;
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x ,y ,colorval);
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x+1,y ,colorval);
#if 0
if (videotype == VT_MONO_AUTHENTIC)
{
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x ,y+1,BLACK);
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x+1,y+1,BLACK);
}
else
#endif
{
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x ,y+1,colorval);
SETSOURCEPIXEL(SRCOFFS_HIRES+column+x+1,y+1,colorval);
@ -966,7 +975,7 @@ void DrawMonoLoResSource () {
for (int y = 0; y < 16; y++)
{
BYTE colorval = (color >> (x & 3) & 1) ? iMonochrome : BLACK;
#if 0
if (videotype == VT_MONO_AUTHENTIC)
{
if (y & 1)
@ -975,6 +984,7 @@ void DrawMonoLoResSource () {
SETSOURCEPIXEL(SRCOFFS_LORES+x,(color << 4)+y,colorval);
}
else
#endif
{
SETSOURCEPIXEL(SRCOFFS_LORES+x,(color << 4)+y,colorval);
}
@ -1052,7 +1062,7 @@ void DrawMonoTextSource (HDC hDstDC)
hCharBitmap[0] = LoadBitmap(g_hInstance,TEXT("CHARSET40"));
hCharBitmap[1] = LoadBitmap(g_hInstance,TEXT("CHARSET82"));
hCharBitmap[2] = LoadBitmap(g_hInstance,TEXT("CHARSET8C")); //Pravets 8M probably has the same charset as Pravets 8C
hCharBitmap[2] = LoadBitmap(g_hInstance,TEXT("CHARSET8C")); // FIXME: Pravets 8M probably has the same charset as Pravets 8C
hCharBitmap[3] = LoadBitmap(g_hInstance,TEXT("CHARSET8C"));
HBRUSH hBrush;
@ -1061,7 +1071,7 @@ void DrawMonoTextSource (HDC hDstDC)
case VT_MONO_AMBER: hBrush = CreateSolidBrush(RGB(0xFF,0x80,0x00)); break;
case VT_MONO_GREEN: hBrush = CreateSolidBrush(RGB(0x00,0xC0,0x00)); break;
case VT_MONO_WHITE: hBrush = CreateSolidBrush(RGB(0xFF,0xFF,0xFF)); break;
case VT_MONO_AUTHENTIC: hBrush = CreateCustomBrush(RGB(0x00,0xC0,0x00)); break;
// case VT_MONO_AUTHENTIC: hBrush = CreateCustomBrush(RGB(0x00,0xC0,0x00)); break;
default : hBrush = CreateSolidBrush(monochrome); break;
}
@ -1086,7 +1096,7 @@ void DrawTextSource (HDC dc)
//The charset is set below
hCharBitmap[0] = LoadBitmap(g_hInstance,TEXT("CHARSET40"));
hCharBitmap[1] = LoadBitmap(g_hInstance,TEXT("CHARSET82"));
hCharBitmap[2] = LoadBitmap(g_hInstance,TEXT("CHARSET8C")); //Pravets 8M probably has the same charset as Pravets 8C
hCharBitmap[2] = LoadBitmap(g_hInstance,TEXT("CHARSET8C")); // FIXME: Pravets 8M probably has the same charset as Pravets 8C
hCharBitmap[3] = LoadBitmap(g_hInstance,TEXT("CHARSET8C"));
SelectObject(memdc,hCharBitmap[g_nCharsetType]);
@ -1780,7 +1790,8 @@ void VideoChooseColor () {
VideoReinitialize();
if ((g_nAppMode != MODE_LOGO) && (g_nAppMode != MODE_DEBUG))
VideoRedrawScreen();
REGSAVE(TEXT("Monochrome Color"),monochrome);
Config_Save_Video();
}
}
@ -2022,6 +2033,7 @@ void _Video_RedrawScreen( VideoUpdateFuncPtr_t pfUpdate, bool bMixed )
BOOL anydirty = 0;
int y = 0;
int ypixel = 0;
while (y < 20) {
int offset = ((y & 7) << 7) + ((y >> 3) * 40);
int x = 0;
@ -2066,14 +2078,29 @@ void _Video_RedrawScreen( VideoUpdateFuncPtr_t pfUpdate, bool bMixed )
GdiFlush();
}
#else
// Original code:
if (!framedc || !anydirty)
{
FrameReleaseVideoDC();
SetLastDrawnImage();
g_VideoForceFullRedraw = 0;
return;
}
// Original code:
if (!framedc || !anydirty)
{
FrameReleaseVideoDC();
SetLastDrawnImage();
g_VideoForceFullRedraw = 0;
return;
}
// 50% Half Scan Line
if( g_uHalfScanLines )
{
// We zero out the 1st row (row zero) because the bitmap is upside down
unsigned char *pSrc = ((unsigned char*)g_pFramebufferbits);
for( int y = 0; y < FRAMEBUFFER_H/2; y++ )
{
for( int x = 0; x < FRAMEBUFFER_W; x++ )
{
*pSrc++ = 0;
}
pSrc += FRAMEBUFFER_W;
}
}
// COPY DIRTY CELLS FROM THE DEVICE DEPENDENT BITMAP ONTO THE SCREEN
// IN LONG HORIZONTAL RECTANGLES