diff --git a/zsnes/src/gui/gui.asm b/zsnes/src/gui/gui.asm
index 44d9e561..c2e11427 100644
--- a/zsnes/src/gui/gui.asm
+++ b/zsnes/src/gui/gui.asm
@@ -579,8 +579,8 @@ NEWSYM GUIWGAdd,  db 8
 NEWSYM GUIWBAdd,  db 25
 
 NEWSYM BlackAndWhite, db 0
-
 NEWSYM MouseWheel, db 1
+NEWSYM AlternateTimer, db 0
 
 GUIsave equ $-GUIRAdd
 
diff --git a/zsnes/src/gui/guikeys.inc b/zsnes/src/gui/guikeys.inc
index ae296887..e2a0aed7 100644
--- a/zsnes/src/gui/guikeys.inc
+++ b/zsnes/src/gui/guikeys.inc
@@ -812,12 +812,20 @@ GUIOptionKeys:
     mov [cfgnewgfx],al
 .invalidng
 .nonewgfx
+%ifdef __MSDOS__
     cmp dh,'V'
     jne .novsync
     xor byte[vsyncon],1
     mov al,[vsyncon]
     mov [cfgvsync],al
 .novsync
+%endif
+%ifdef __WIN32__
+    cmp dh,'H'
+    jne .nohighpriority
+    xor byte[HighPriority],1
+.nohighpriority
+%endif
     cmp dh,'M'
     jne .nommxcopy
     xor byte[FPUCopy],2
@@ -844,10 +852,12 @@ GUIOptionKeys:
     jne .noswfix
     xor byte[SidewinderFix],1
 .noswfix
-    cmp dh,'H'
-    jne .nohighpriority
-    xor byte[HighPriority],1
-.nohighpriority
+%ifdef __WIN32__
+    cmp dh,'S'
+    jne .noalttimer
+    xor byte[AlternateTimer],1
+.noalttimer
+%endif
     cmp dh,'F'
     jne .nofpsatstart
     xor byte[FPSAtStart],1
diff --git a/zsnes/src/gui/guimouse.inc b/zsnes/src/gui/guimouse.inc
index 2f064979..5fb815f4 100644
--- a/zsnes/src/gui/guimouse.inc
+++ b/zsnes/src/gui/guimouse.inc
@@ -2085,7 +2085,12 @@ DisplayGUIOptionClick:
     jne near .invalidng
     GUIClickCButton2 11,36,byte[newengen],byte[cfgnewgfx],1
 .invalidng
+%ifdef __MSDOS__
     GUIClickCButton2 11,46,byte[vsyncon],byte[cfgvsync],1
+%endif
+%ifdef __WIN32__
+    GUIClickCButton 11,46,byte[HighPriority]
+%endif
     GUIClickCButton2 11,56,byte[FPUCopy],byte[cfgcopymethod],2
     GUIClickCButtonM 11,66,byte[pl12s34]
 ;    cmp byte[OSPort],3
@@ -2095,7 +2100,7 @@ DisplayGUIOptionClick:
 %endif
 ;.win32config
 %ifdef __WIN32__
-    GUIClickCButton 11,76,byte[HighPriority]
+    GUIClickCButton 11,76,byte[AlternateTimer]
 %endif
     GUIClickCButton 11,86,byte[FPSAtStart]
     GUIClickCButton 11,96,byte[Turbo30hz]
diff --git a/zsnes/src/gui/guiwindp.inc b/zsnes/src/gui/guiwindp.inc
index c5676b45..cab4438d 100644
--- a/zsnes/src/gui/guiwindp.inc
+++ b/zsnes/src/gui/guiwindp.inc
@@ -1355,6 +1355,9 @@ DisplayGUIOption:
 %ifdef __MSDOS__
     GUIOuttextwin2u 4,26,51,GUIOptionText5,0
 %endif
+%ifdef __WIN32__
+    GUIOuttextwin2u 4,26,51,GUIOptionText5b,0
+%endif
 ;.win32b
     GUIOuttextwin2u 4,26,61,GUIOptionText6,0
     GUIOuttextwin2u 4,26,71,GUIOptionText7,0
@@ -1365,7 +1368,7 @@ DisplayGUIOption:
 %endif
 ;.win32b2
 %ifdef __WIN32__
-    GUIOuttextwin2u 4,26,81,GUIOptionTextAb,0
+    GUIOuttextwin2u 4,26,81,GUIOptionTextAb,1
 %endif
     GUIOuttextwin2u 4,26,91,GUIOptionTextB,0
     GUIOuttextwin2u 4,26,101,GUIOptionTextC,2
@@ -1387,6 +1390,9 @@ DisplayGUIOption:
 %ifdef __MSDOS__
     GUIOuttextwin2 4,25,50,GUIOptionText5
 %endif
+%ifdef __WIN32__
+    GUIOuttextwin2 4,25,50,GUIOptionText5b
+%endif
 ;.win32c
     GUIOuttextwin2 4,25,60,GUIOptionText6
     GUIOuttextwin2 4,25,70,GUIOptionText7
@@ -1429,17 +1435,24 @@ DisplayGUIOption:
     mov dword[GUITemp],GUIIconDataCheckBoxC
 .nocheckbox1
     GUIDisplayIconWin 4,11,36,[GUITemp]
+%ifdef __MSDOS__
     mov dword[GUITemp],GUIIconDataCheckBoxUC
     cmp byte[vsyncon],0
     je .nocheckbox2
     mov dword[GUITemp],GUIIconDataCheckBoxC
-.nocheckbox2
 ;    cmp byte[OSPort],3
 ;    je near .win32
-%ifdef __MSDOS__
     GUIDisplayIconWin 4,11,46,[GUITemp]
 %endif
 ;.win32
+%ifdef __WIN32__
+    mov dword[GUITemp],GUIIconDataCheckBoxUC
+    cmp byte[HighPriority],0
+    je .nocheckbox2
+    mov dword[GUITemp],GUIIconDataCheckBoxC
+%endif
+.nocheckbox2
+    GUIDisplayIconWin 4,11,46,[GUITemp]
     mov dword[GUITemp],GUIIconDataCheckBoxUC
     cmp byte[FPUCopy],2
     jne .nocheckbox3
@@ -1465,7 +1478,7 @@ DisplayGUIOption:
 ;.win322
 %ifdef __WIN32__
     mov dword[GUITemp],GUIIconDataCheckBoxUC
-    cmp byte[HighPriority],0
+    cmp byte[AlternateTimer],0
     je .win323
     mov dword[GUITemp],GUIIconDataCheckBoxC
 .win323
@@ -1580,10 +1593,11 @@ GUIOptionText2 db 'AUTO FRAME RATE',0
 GUIOptionText3 db 'MAX FRAME SKIP',0
 GUIOptionText4 db 'NEW GFX ENGINE',0
 GUIOptionText5 db 'VSYNC',0
+GUIOptionText5b db 'HIGH PRIORITY MODE',0
 GUIOptionText6 db 'MMX SUPPORT',0
 GUIOptionText7 db 'USE PL3/4 AS PL1/2',0
 GUIOptionTextA db 'SIDEWINDER FIX',0
-GUIOptionTextAb db 'HIGH PRIORITY MODE',0
+GUIOptionTextAb db 'USE ALTERNATE TIMER',0
 GUIOptionTextB db 'FPS AT START',0
 GUIOptionTextC db 'USE 30HZ FOR TURBO',0
 GUIOptionTextD db 'ENABLE GAME CLOCK',0
diff --git a/zsnes/src/win/winlink.cpp b/zsnes/src/win/winlink.cpp
index a14fcca7..62d2f64a 100644
--- a/zsnes/src/win/winlink.cpp
+++ b/zsnes/src/win/winlink.cpp
@@ -129,8 +129,6 @@ DWORD                   MouseButton;
 
 _int64 start, end, freq, update_ticks_pc, start2, end2, update_ticks_pc2;
 
-BYTE AlternateTimer=0;
-
 extern "C"
 {
    void drawscreenwin(void);
@@ -190,6 +188,7 @@ extern BYTE ExclusiveSound;
 extern BYTE HighPriority;
 extern BYTE AlwaysOnTop;
 extern BYTE SaveMainWindowPos;
+extern BYTE AlternateTimer;
 extern signed short int MainWindowX;
 extern signed short int MainWindowY;
 extern int CurKeyPos;