diff --git a/zsnes/src/gui/gui.asm b/zsnes/src/gui/gui.asm
index ed0e68d8..e7256aa8 100644
--- a/zsnes/src/gui/gui.asm
+++ b/zsnes/src/gui/gui.asm
@@ -137,8 +137,8 @@ EXTSYM NumInputDevices,GUIInputNames
 EXTSYM GUIVideoModeNames
 EXTSYM GUISLVID,GUIINVID,GUIEAVID,GUIIEVID,GUIFSVID,GUIWSVID
 EXTSYM GUISSVID,GUITBVID,GUIHSVID,GUI2xVID,GUII2VID,GUIM7VID
-EXTSYM cfgsoundon,cfgSoundQuality,cfgStereoSound
-EXTSYM convertnum,converthex
+EXTSYM cfgsoundon,cfgSoundQuality,cfgStereoSound,cfgforce8b
+EXTSYM Force8b,convertnum,converthex
 EXTSYM per2exec
 EXTSYM hostname
 EXTSYM UDPConfig
diff --git a/zsnes/src/gui/guikeys.inc b/zsnes/src/gui/guikeys.inc
index b03a905f..20a8c32c 100644
--- a/zsnes/src/gui/guikeys.inc
+++ b/zsnes/src/gui/guikeys.inc
@@ -1208,6 +1208,12 @@ GUISoundKeys:
     jne .notenablesound
     xor byte[cfgsoundon],1
 .notenablesound
+%ifdef __MSDOS__
+    cmp dh,'F'
+    jne .notforce8b
+    xor byte[cfgforce8b],1
+.notforce8b
+%endif
     cmp dh,'S'
     jne .notstereo
     xor byte[cfgStereoSound],1
diff --git a/zsnes/src/gui/guimouse.inc b/zsnes/src/gui/guimouse.inc
index 8e13d7a8..da56fdbb 100644
--- a/zsnes/src/gui/guimouse.inc
+++ b/zsnes/src/gui/guimouse.inc
@@ -2348,6 +2348,9 @@ DisplayGUISoundClick:
     mov edx,[GUImouseposy]
     sub edx,[GUIwinposy+6*4]
     GUIClickCButton 11,21,byte[cfgsoundon]
+%ifdef __MSDOS__
+    GUIClickCButton 102,21,byte[cfgforce8b]
+%endif
     GUIClickCButton 11,30,byte[cfgStereoSound]
     GUIClickCButton 11,39,byte[RaisePitch]
     GUIClickCButton 11,101,byte[SoundNoiseDis]
diff --git a/zsnes/src/gui/guiwindp.inc b/zsnes/src/gui/guiwindp.inc
index 7d646356..d847bc8f 100644
--- a/zsnes/src/gui/guiwindp.inc
+++ b/zsnes/src/gui/guiwindp.inc
@@ -2170,6 +2170,7 @@ DisplayGUISound:
 ;    cmp byte[OSPort],3
 ;    je near .win32b
 %ifdef __MSDOS__
+    GUIOuttextwin2u 6,116,26,GUISoundText1b,0
     GUIOuttextwin2u 6,26,44,GUISoundText2b,1
 %endif
 ;.win32b
@@ -2197,6 +2198,7 @@ DisplayGUISound:
 ;    cmp byte[OSPort],3
 ;    je near .win32c
 %ifdef __MSDOS__
+    GUIOuttextwin2 6,115,25,GUISoundText1b
     GUIOuttextwin2 6,25,43,GUISoundText2b
 %endif
 ;.win32c
@@ -2241,6 +2243,14 @@ DisplayGUISound:
     mov dword[GUITemp],GUIIconDataCheckBoxC
 .nocheckbox
     GUIDisplayIconWin 6,11,21,[GUITemp]
+%ifdef __MSDOS__
+    mov dword[GUITemp],GUIIconDataCheckBoxUC
+    cmp byte[cfgforce8b],0
+    je .nocheckbox0
+    mov dword[GUITemp],GUIIconDataCheckBoxC
+.nocheckbox0
+    GUIDisplayIconWin 6,102,21,[GUITemp]
+%endif
     mov dword[GUITemp],GUIIconDataCheckBoxUC
     cmp byte[cfgStereoSound],0
     je .nocheckbox1
@@ -2399,6 +2409,7 @@ DisplayGUISound:
     ret
 
 GUISoundText1 db 'ENABLE SOUND',0
+GUISoundText1b db 'FORCE 8-BIT',0
 GUISoundText2 db 'SAMPLING RATE :',0
 GUISoundText2b db 'RAISE PITCH LEVEL',0
 GUISoundText3 db 'STEREO SOUND',0