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For full-speed: update every 16ms of real-time (close #351)

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This commit is contained in:
tomcw 2016-09-22 22:34:16 +01:00
parent 626965109a
commit 30160583cb
3 changed files with 15 additions and 4 deletions
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4
source/Applewin.cpp
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@ -232,6 +232,9 @@ void ContinueExecution(void)
if (g_bFullSpeed)
{
if (!bWasFullSpeed)
VideoRedrawScreenDuringFullSpeed(0, true); // Init for full-speed mode
// Don't call Spkr_Mute() - will get speaker clicks
MB_Mute();
SysClk_StopTimer();
@ -249,7 +252,6 @@ void ContinueExecution(void)
{
if (bWasFullSpeed)
{
VideoRedrawScreenDuringFullSpeed(0, true); // Invalidate the copies of video memory
VideoRedrawScreenAfterFullSpeed(g_dwCyclesThisFrame);
}

13
source/Video.cpp
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@ -1052,16 +1052,25 @@ void VideoDisplayLogo ()
// . 10s only update if HIRES changes (17s for Debug build)
// . ~9s no update during full-speed (but IBIZA.DSK doesn't show anything!)
void VideoRedrawScreenDuringFullSpeed(DWORD dwCyclesThisFrame, bool bInvalidate /*=false*/)
void VideoRedrawScreenDuringFullSpeed(DWORD dwCyclesThisFrame, bool bInit /*=false*/)
{
static DWORD dwFullSpeedStartTime = 0;
static bool bValid = false;
if (bInvalidate)
if (bInit)
{
// Just entered full-speed mode
bValid = false;
dwFullSpeedStartTime = GetTickCount();
return;
}
DWORD dwFullSpeedDuration = GetTickCount() - dwFullSpeedStartTime;
if (dwFullSpeedDuration <= 16) // Only update after every realtime ~17ms of *continuous* full-speed
return;
dwFullSpeedStartTime += dwFullSpeedDuration;
//
static BYTE text_main[1024*2] = {0}; // page1 & 2

2
source/Video.h
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@ -169,7 +169,7 @@ void VideoDestroy ();
void VideoDisplayLogo ();
void VideoInitialize ();
void VideoRealizePalette (HDC);
void VideoRedrawScreenDuringFullSpeed(DWORD dwCyclesThisFrame, bool bInvalidate = false);
void VideoRedrawScreenDuringFullSpeed(DWORD dwCyclesThisFrame, bool bInit = false);
void VideoRedrawScreenAfterFullSpeed(DWORD dwCyclesThisFrame);
void VideoRedrawScreen (UINT uDelayRefresh = 0);
void VideoRefreshScreen (int bVideoFlags, UINT uDelayRefresh =0 );