mirror of
https://github.com/AppleWin/AppleWin.git
synced 2024-12-23 00:30:17 +00:00
More main-loop reduction & removal of redundant globals.
Fixed JoyUpdateButtonLatch() to debounce in 5mecs instead of 5secs!
SpkrToggle() was using redundant global ('cyclenum') when using the PC speaker.
. I reworked the code (as it looked out-of-date),
but probably better to just remove all the PC speaker support.
This commit is contained in:
tomcw
parent
0db62489f9
commit
8c019bcd35
@ -35,6 +35,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "DiskImage.h"
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#include "Frame.h"
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#include "Harddisk.h"
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#include "Joystick.h"
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#include "Log.h"
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#include "Memory.h"
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#include "Mockingboard.h"
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@ -61,8 +62,6 @@ TCHAR *g_pAppTitle = TITLE_APPLE_2E_ENHANCED;
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eApple2Type g_Apple2Type = A2TYPE_APPLE2EENHANCED;
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DWORD cumulativecycles = 0; // Wraps after ~1hr 9mins
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DWORD cyclenum = 0; // Used by SpkrToggle() for non-wave sound
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bool g_bFullSpeed = false;
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//Pravets 8A/C variables
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@ -76,7 +75,6 @@ HINSTANCE g_hInstance = (HINSTANCE)0;
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AppMode_e g_nAppMode = MODE_LOGO;
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static bool g_bLoadedSaveState = false;
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static int lastmode = MODE_LOGO;
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TCHAR g_sProgramDir[MAX_PATH] = TEXT(""); // Directory of where AppleWin executable resides
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TCHAR g_sDebugDir [MAX_PATH] = TEXT(""); // TODO: Not currently used
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TCHAR g_sScreenShotDir[MAX_PATH] = TEXT(""); // TODO: Not currently used
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@ -115,17 +113,6 @@ CSpeech g_Speech;
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//===========================================================================
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#define DBG_CALC_FREQ 0
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#if DBG_CALC_FREQ
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const UINT MAX_CNT = 256;
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double g_fDbg[MAX_CNT];
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UINT g_nIdx = 0;
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double g_fMeanPeriod,g_fMeanFreq;
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ULONGLONG g_nPerfFreq = 0;
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#endif
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//---------------------------------------------------------------------------
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bool GetLoadedSaveStateFlag(void)
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{
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return g_bLoadedSaveState;
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@ -227,15 +214,15 @@ void ContinueExecution(void)
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if (nCyclesToExecute < 0)
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nCyclesToExecute = 0;
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cyclenum = CpuExecute(nCyclesToExecute);
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g_dwCyclesThisFrame += cyclenum;
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const DWORD uActualCyclesExecuted = CpuExecute(nCyclesToExecute);
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g_dwCyclesThisFrame += uActualCyclesExecuted;
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DiskUpdatePosition(cyclenum);
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JoyUpdatePosition();
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DiskUpdatePosition(uActualCyclesExecuted);
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JoyUpdateButtonLatch(nExecutionPeriodUsec); // Button latch time is independent of CPU clock frequency
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SpkrUpdate(cyclenum);
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sg_SSC.CommUpdate(cyclenum);
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PrintUpdate(cyclenum);
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SpkrUpdate(uActualCyclesExecuted);
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sg_SSC.CommUpdate(uActualCyclesExecuted);
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PrintUpdate(uActualCyclesExecuted);
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//
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@ -249,23 +236,6 @@ void ContinueExecution(void)
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if (!g_bFullSpeed)
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{
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SysClk_WaitTimer();
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#if DBG_CALC_FREQ
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if (g_nPerfFreq)
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{
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QueryPerformanceCounter((LARGE_INTEGER*)&nTime1);
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LONGLONG nTimeDiff = nTime1 - nTime0;
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double fTime = (double)nTimeDiff / (double)(LONGLONG)g_nPerfFreq;
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g_fDbg[g_nIdx] = fTime;
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g_nIdx = (g_nIdx+1) & (MAX_CNT-1);
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g_fMeanPeriod = 0.0;
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for(UINT n=0; n<MAX_CNT; n++)
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g_fMeanPeriod += g_fDbg[n];
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g_fMeanPeriod /= (double)MAX_CNT;
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g_fMeanFreq = 1.0 / g_fMeanPeriod;
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}
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#endif
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}
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}
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@ -942,11 +912,6 @@ int APIENTRY WinMain(HINSTANCE passinstance, HINSTANCE, LPSTR lpCmdLine, int)
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LogFileOutput("AppleWin version: %s\n", VERSIONSTRING);
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#if DBG_CALC_FREQ
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QueryPerformanceFrequency((LARGE_INTEGER*)&g_nPerfFreq);
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if(g_fh) fprintf(g_fh, "Performance frequency = %d\n",g_nPerfFreq);
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#endif
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//-----
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// Initialize COM - so we can use CoCreateInstance
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@ -13,8 +13,6 @@ extern TCHAR *g_pAppTitle;
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extern eApple2Type g_Apple2Type;
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extern DWORD cumulativecycles;
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extern DWORD cyclenum;
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extern bool g_bFullSpeed;
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//Pravets 8A/C only variables
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@ -176,16 +176,18 @@ void RequestDebugger()
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*
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***/
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unsigned __int64 g_nCycleIrqStart;
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unsigned __int64 g_nCycleIrqEnd;
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UINT g_nCycleIrqTime;
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#ifdef _DEBUG
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static unsigned __int64 g_nCycleIrqStart;
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static unsigned __int64 g_nCycleIrqEnd;
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static UINT g_nCycleIrqTime;
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UINT g_nIdx = 0;
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const UINT BUFFER_SIZE = 4096; // 80 secs
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UINT g_nBuffer[BUFFER_SIZE];
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UINT g_nMean = 0;
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UINT g_nMin = 0xFFFFFFFF;
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UINT g_nMax = 0;
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static UINT g_nIdx = 0;
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static const UINT BUFFER_SIZE = 4096; // 80 secs
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static UINT g_nBuffer[BUFFER_SIZE];
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static UINT g_nMean = 0;
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static UINT g_nMin = 0xFFFFFFFF;
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static UINT g_nMax = 0;
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#endif
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static __forceinline void DoIrqProfiling(DWORD uCycles)
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{
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@ -352,7 +354,9 @@ static __forceinline void NMI(ULONG& uExecutedCycles, UINT& uExtraCycles, BOOL&
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{
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// NMI signals are only serviced once
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g_bNmiFlank = FALSE;
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#ifdef _DEBUG
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g_nCycleIrqStart = g_nCumulativeCycles + uExecutedCycles;
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#endif
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PUSH(regs.pc >> 8)
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PUSH(regs.pc & 0xFF)
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EF_TO_AF
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@ -369,7 +373,9 @@ static __forceinline void IRQ(ULONG& uExecutedCycles, UINT& uExtraCycles, BOOL&
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if(g_bmIRQ && !(regs.ps & AF_INTERRUPT))
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{
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// IRQ signals are deasserted when a specific r/w operation is done on device
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#ifdef _DEBUG
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g_nCycleIrqStart = g_nCumulativeCycles + uExecutedCycles;
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#endif
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PUSH(regs.pc >> 8)
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PUSH(regs.pc & 0xFF)
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EF_TO_AF
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@ -45,7 +45,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "Configuration\PropertySheet.h"
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#define BUTTONTIME 5000 // TODO: Describe this magic number
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#define BUTTONTIME 5000 // This is the latch (debounce) time in usecs for the joystick buttons
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enum {DEVICE_NONE=0, DEVICE_JOYSTICK, DEVICE_KEYBOARD, DEVICE_MOUSE};
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@ -82,7 +82,7 @@ static POINT keyvalue[9] = {{PDL_MIN,PDL_MAX}, {PDL_CENTRAL,PDL_MAX}, {PDL
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{PDL_MIN,PDL_CENTRAL},{PDL_CENTRAL,PDL_CENTRAL},{PDL_MAX,PDL_CENTRAL},
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{PDL_MIN,PDL_MIN}, {PDL_CENTRAL,PDL_MIN}, {PDL_MAX,PDL_MIN}};
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static DWORD buttonlatch[3] = {0,0,0};
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static int buttonlatch[3] = {0,0,0};
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static BOOL joybutton[3] = {0,0,0};
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static int joyshrx[2] = {8,8};
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@ -703,11 +703,19 @@ void JoySetPosition(int xvalue, int xrange, int yvalue, int yrange)
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}
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//===========================================================================
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void JoyUpdatePosition()
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// Update the latch (debounce) time for each button
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void JoyUpdateButtonLatch(const UINT nExecutionPeriodUsec)
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{
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if (buttonlatch[0]) --buttonlatch[0];
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if (buttonlatch[1]) --buttonlatch[1];
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if (buttonlatch[2]) --buttonlatch[2];
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for (UINT i=0; i<3; i++)
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{
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if (buttonlatch[i])
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{
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buttonlatch[i] -= nExecutionPeriodUsec;
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if (buttonlatch[i] < 0)
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buttonlatch[i] = 0;
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}
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}
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}
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//===========================================================================
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@ -15,7 +15,7 @@ void JoyReset();
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void JoySetButton(eBUTTON,eBUTTONSTATE);
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BOOL JoySetEmulationType(HWND,DWORD,int, const bool bMousecardActive);
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void JoySetPosition(int,int,int,int);
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void JoyUpdatePosition();
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void JoyUpdateButtonLatch(const UINT nExecutionPeriodUsec);
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BOOL JoyUsingMouse();
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BOOL JoyUsingKeyboard();
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BOOL JoyUsingKeyboardCursors();
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@ -479,7 +479,9 @@ BYTE __stdcall SpkrToggle (WORD, WORD, BYTE, BYTE, ULONG nCyclesLeft)
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if (lastcyclenum)
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{
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toggles++;
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DWORD delta = cyclenum-lastcyclenum;
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//DWORD delta = cyclenum-lastcyclenum; // [TC: 14/09/2014] Looks broken, since 'cyclenum' is cycles executed in previous call to CpuExecute()
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CpuCalcCycles(nCyclesLeft);
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DWORD delta = (DWORD)g_nCumulativeCycles - lastcyclenum;
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// DETERMINE WHETHER WE ARE PLAYING A SOUND EFFECT
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if (directio &&
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@ -493,7 +495,8 @@ BYTE __stdcall SpkrToggle (WORD, WORD, BYTE, BYTE, ULONG nCyclesLeft)
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lastdelta[0] = delta;
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totaldelta += delta;
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}
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lastcyclenum = cyclenum;
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//lastcyclenum = cyclenum;
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lastcyclenum = (DWORD)g_nCumulativeCycles;
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}
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@ -610,7 +613,7 @@ void SpkrUpdate_Timer()
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nSamplesUsed = Spkr_SubmitWaveBuffer_FullSpeed(g_pSpeakerBuffer, g_nBufferIdx);
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_ASSERT(nSamplesUsed <= g_nBufferIdx);
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memmove(g_pSpeakerBuffer, &g_pSpeakerBuffer[nSamplesUsed], g_nBufferIdx-nSamplesUsed); // FIXME-TC: _Size * 2
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memmove(g_pSpeakerBuffer, &g_pSpeakerBuffer[nSamplesUsed], g_nBufferIdx-nSamplesUsed); // FIXME-TC: _Size * 2 (GH#213?)
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g_nBufferIdx -= nSamplesUsed;
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}
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}
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@ -2106,7 +2106,7 @@ void VideoBenchmark () {
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DWORD executedcycles = CpuExecute(103);
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cycles -= executedcycles;
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DiskUpdatePosition(executedcycles);
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JoyUpdatePosition();
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JoyUpdateButtonLatch(executedcycles);
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}
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}
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if (cycle & 1)
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