Added suspend in background option to minimize cpu usage while not active

zsnes/src/gui/gui.asm

@@ -581,6 +581,7 @@ NEWSYM GUIWBAdd,  db 25
 NEWSYM BlackAndWhite, db 0
 NEWSYM MouseWheel, db 1
 NEWSYM AlternateTimer, db 0
+NEWSYM SuspendInBackground, db 0
 
 GUIsave equ $-GUIRAdd
 
@@ -601,7 +602,7 @@ ModemOKStat  db 0       ; OK is detected on modem status
 GUIwinposxo dd 0,5   ,60  ,30  ,55  ,50  ,65  ,5   ,30  ,20   ,10   ,80  ,65  ,20  ,70  ,50  ,3   ,50
 GUIwinposyo dd 0,20  ,70  ,30  ,20  ,20  ,36  ,20  ,30  ,20   ,20   ,50  ,60  ,30  ,65  ,50  ,22  ,60
 GUIwinsizex dd 0,244 ,126 ,189 ,167 ,170 ,148 ,244 ,8*16,13*16,220  ,7*16,9*16,8*16,9*16,140 ,250 ,160
-GUIwinsizey dd 0,190 ,3*16,166 ,190 ,192 ,168 ,191 ,40  ,189  ,182  ,98  ,42  ,40  ,42  ,70  ,190 ,60
+GUIwinsizey dd 0,190 ,3*16,166 ,190 ,192 ,168 ,191 ,40  ,189  ,192  ,98  ,42  ,40  ,42  ,70  ,190 ,60
 GUIwinptr   db 0
 
 GUItextcolor db 0,0,0,0,0

zsnes/src/gui/guimouse.inc

@@ -2634,6 +2634,7 @@ DisplayGUIOptnsClick:
 %ifdef __WIN32__
     GUIClickCButton 12,168,byte[AlwaysOnTop]
     GUIClickCButton 12,178,byte[SaveMainWindowPos]
+    GUIClickCButton 12,188,byte[SuspendInBackground]
     GUIClickCButton 124,23,byte[MouseWheel]
 %endif
 

zsnes/src/gui/guiwindp.inc

@@ -4758,6 +4758,12 @@ DisplayGUIOptns:
     mov dword[GUITemp],GUIIconDataCheckBoxC
 .nocheck10
     GUIDisplayIconWin 10,12,178,[GUITemp]
+    mov dword[GUITemp],GUIIconDataCheckBoxUC
+    cmp byte[SuspendInBackground],1
+    jne .nocheck11
+    mov dword[GUITemp],GUIIconDataCheckBoxC
+.nocheck11
+    GUIDisplayIconWin 10,12,188,[GUITemp]
 %endif
     mov al,[GUIWincol]
     mov byte[GUItextcolor],al
@@ -4797,6 +4803,7 @@ DisplayGUIOptns:
     GUIOuttextwin2 10,26,173,GUIGUIOptnsTextE
     GUIOuttextwin2 10,26,183,GUIGUIOptnsTextF
     GUIOuttextwin2u 10,138,28,GUIGUIOptnsTextJ,1
+    GUIOuttextwin2 10,26,193,GUIGUIOptnsTextK
 %endif
     mov byte[GUIGUIOptnsText6],'R'
     GUIOuttextwin2 10,16,123,GUIGUIOptnsText6
@@ -4820,6 +4827,7 @@ DisplayGUIOptns:
     GUIOuttextwin2 10,25,172,GUIGUIOptnsTextE
     GUIOuttextwin2 10,25,182,GUIGUIOptnsTextF
     GUIOuttextwin2 10,137,27,GUIGUIOptnsTextJ
+    GUIOuttextwin2 10,25,192,GUIGUIOptnsTextK
 %endif
     mov byte[GUIGUIOptnsText6],'R'
     GUIOuttextwin2 10,15,122,GUIGUIOptnsText6
@@ -4911,6 +4919,7 @@ GUIGUIOptnsTextG db 'BACK',0
 GUIGUIOptnsTextH db 'TITLE',0
 GUIGUIOptnsTextI db 'WIN',0
 GUIGUIOptnsTextJ db 'WHEEL MOUSE',0
+GUIGUIOptnsTextK db 'SUSPEND IN BACKGROUND',0
 
 DisplayGUIAbout:
 ;    cmp byte[OSPort],3

zsnes/src/win/winlink.cpp

@@ -117,6 +117,8 @@ int                     MouseMove2Y;
 DWORD                   SurfaceX=0;
 DWORD                   SurfaceY=0;
 
+BYTE                    IsActivated = 1;
+
 extern "C" {
 DWORD                   MouseButton;
 }
@@ -189,6 +191,7 @@ extern BYTE HighPriority;
 extern BYTE AlwaysOnTop;
 extern BYTE SaveMainWindowPos;
 extern BYTE AlternateTimer;
+extern BYTE SuspendInBackground;
 extern signed short int MainWindowX;
 extern signed short int MainWindowY;
 extern int CurKeyPos;
@@ -196,19 +199,10 @@ extern int CurKeyReadPos;
 extern int KeyBuffer[16];
 }
 
-BYTE IsActivated = 1;
-
 extern "C" void CheckPriority()
 {
-   if (IsActivated == 1)
+   if (HighPriority == 1) SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
-   {
+      else SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
-      if (HighPriority == 1) SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
-         else SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
-   }
-   else
-   {
-      SetPriorityClass(GetCurrentProcess(), IDLE_PRIORITY_CLASS);
-   }
 }
 
 extern "C" void CheckAlwaysOnTop()
@@ -412,7 +406,6 @@ LRESULT CALLBACK Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
          break;
       case WM_ACTIVATE: 
         IsActivated = 1;
-        CheckPriority();
         if(LOWORD(wParam)==WA_INACTIVE)
          {
             ChangeDisplaySettings(NULL,0);
@@ -440,7 +433,6 @@ LRESULT CALLBACK Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
          ChangeDisplaySettings(NULL,0);
          InputDeAcquire();
          IsActivated = 0;
-         CheckPriority();
          break;
       case WM_DESTROY:
          ChangeDisplaySettings(NULL,0);
@@ -843,6 +835,8 @@ BOOL FAR PASCAL InitJoystickInput(LPCDIDEVICEINSTANCE pdinst, LPVOID pvRef)
 
 void endgame()
 {
+
+MessageBox(NULL, "blah", "blah", MB_OK);
    if(lpDirectSound)
    {
       lpDirectSound->Release();
@@ -1594,6 +1588,9 @@ void CheckTimers(void)
 
 void UpdateVFrame(void)
 {
+
+   if (SuspendInBackground == 1 && IsActivated == 0) WaitMessage();
+
    int DataNeeded;
    int SPCSize=256;