diff --git a/emulator/alpha1.conf b/emulator/alpha1.conf
index 10753d1..c39ffd6 100644
--- a/emulator/alpha1.conf
+++ b/emulator/alpha1.conf
@@ -17,7 +17,7 @@ cd \REL410\BT
 set VIDEOFORMAT=svga
 set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
-call setenv.bat r s n n
+call setenv.bat r f n n
 call showenv.bat
 32rtm.exe -x
 btl4opt.exe -egg test.egg
diff --git a/emulator/game.conf b/emulator/game.conf
index bd58d09..f49e9f1 100644
--- a/emulator/game.conf
+++ b/emulator/game.conf
@@ -17,7 +17,7 @@ cd \REL410\BT
 set VIDEOFORMAT=svga
 set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
-call setenv.bat r s n n
+call setenv.bat r f n n
 32rtm.exe -x
 btl4opt.exe -egg test.egg
 32rtm.exe -u
diff --git a/emulator/game_rio.conf b/emulator/game_rio.conf
index e02efce..484b937 100644
--- a/emulator/game_rio.conf
+++ b/emulator/game_rio.conf
@@ -34,7 +34,7 @@ cd \REL410\BT
 set VIDEOFORMAT=svga
 set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
-call setenv.bat r s n n
+call setenv.bat r f n n
 32rtm.exe -x
 btl4opt.exe -egg test.egg
 32rtm.exe -u
diff --git a/emulator/gauge.conf b/emulator/gauge.conf
index b4ce4ed..a4f02a7 100644
--- a/emulator/gauge.conf
+++ b/emulator/gauge.conf
@@ -23,7 +23,7 @@ rem the pod: 15MB heap + the 640x480x16 gauge mode.
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
 rem arg4=g enables the gauge/secondary displays -> exercises the VDB splitter
-call setenv.bat r s n g
+call setenv.bat r f n g
 32rtm.exe -x
 btl4opt.exe -egg test.egg
 32rtm.exe -u
diff --git a/emulator/gauge_rio.conf b/emulator/gauge_rio.conf
index 5e3d30d..14b757a 100644
--- a/emulator/gauge_rio.conf
+++ b/emulator/gauge_rio.conf
@@ -30,7 +30,7 @@ rem gauges (15MB heap + 640x480x16) AND the RIO -- active mission so pal0's
 rem palette-animation can be watched for selective flashing.
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s n g
+call setenv.bat r f n g
 32rtm.exe -x
 btl4opt.exe -egg test.egg
 32rtm.exe -u
diff --git a/emulator/gauge_rio_log.conf b/emulator/gauge_rio_log.conf
index 9e987ca..f58e215 100644
--- a/emulator/gauge_rio_log.conf
+++ b/emulator/gauge_rio_log.conf
@@ -1,7 +1,7 @@
 [sdl]
 output=opengl
 # higher,higher not highest: HIGH_PRIORITY_CLASS starved the host desktop;
-# with the retry patches a rare dropout self-recovers (see gauge_rio.conf).
+# with the retry patches a rare dropout self-recovers (see gauge_rio.conf).
 priority=higher,higher
 [dosbox]
 memsize=32
@@ -22,7 +22,7 @@ set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s n g
+call setenv.bat r f n g
 32rtm.exe -x
 btl4opt.exe -egg test.egg > c:\riolog.txt
 32rtm.exe -u
diff --git a/emulator/gaugelog.conf b/emulator/gaugelog.conf
index 518f67e..87c884a 100644
--- a/emulator/gaugelog.conf
+++ b/emulator/gaugelog.conf
@@ -17,7 +17,7 @@ cd \REL410\BT
 set VIDEOFORMAT=svga
 set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
-call setenv.bat r s n g
+call setenv.bat r f n g
 32rtm.exe -x
 btl4opt.exe -egg test.egg > c:\gaugelog.txt
 32rtm.exe -u
diff --git a/emulator/gaugemem.conf b/emulator/gaugemem.conf
index ff3b00f..131e900 100644
--- a/emulator/gaugemem.conf
+++ b/emulator/gaugemem.conf
@@ -17,7 +17,7 @@ cd \REL410\BT
 set VIDEOFORMAT=svga
 set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
-call setenv.bat r s n g
+call setenv.bat r f n g
 32rtm.exe -x
 btl4opt.exe -egg test.egg > c:\gaugelog.txt
 32rtm.exe -u
diff --git a/emulator/net_full.conf b/emulator/net_full.conf
index e4d7786..9d72f60 100644
--- a/emulator/net_full.conf
+++ b/emulator/net_full.conf
@@ -60,7 +60,7 @@ set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s s g
+call setenv.bat r f s g
 echo === launching game via NetNub (RIO + sound; no -egg; waits for console) ===
 32rtm.exe -x
 netnub -p -f btl4opt > nn.log
diff --git a/emulator/net_loop.conf b/emulator/net_loop.conf
index 77bb358..add687b 100644
--- a/emulator/net_loop.conf
+++ b/emulator/net_loop.conf
@@ -38,6 +38,6 @@ set VIDEOFORMAT=svga
 set TEMP=c:\
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s n g
+call setenv.bat r f n g
 echo === entering GO.BAT-style netnub loop (waits for console missions) ===
 call d:\loop.bat
diff --git a/emulator/render-bridge/gauge_arena.conf b/emulator/render-bridge/gauge_arena.conf
index 48e77ca..c661a4b 100644
--- a/emulator/render-bridge/gauge_arena.conf
+++ b/emulator/render-bridge/gauge_arena.conf
@@ -20,7 +20,7 @@ set BLASTER=A220 I5 D1 H5 P330 T6
 set TEMP=c:\
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s n p
+call setenv.bat r f n p
 32rtm.exe -x
 btl4opt.exe -egg testarn.egg
 32rtm.exe -u
diff --git a/emulator/render-bridge/gauge_arena2_sound.conf b/emulator/render-bridge/gauge_arena2_sound.conf
index 901bebc..1316b07 100644
--- a/emulator/render-bridge/gauge_arena2_sound.conf
+++ b/emulator/render-bridge/gauge_arena2_sound.conf
@@ -48,7 +48,7 @@ rem arena2 STADIUM mission (TESTAR2.EGG: map=arena2, time=day - the walled arena
 rem attached; stdout redirected so mission-load progress survives kills.
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s s p
+call setenv.bat r f s p
 32rtm.exe -x
 btl4opt.exe -egg testar2.egg
 32rtm.exe -u
diff --git a/emulator/render-bridge/gauge_arena_net_sound.conf b/emulator/render-bridge/gauge_arena_net_sound.conf
index d87a827..79779b4 100644
--- a/emulator/render-bridge/gauge_arena_net_sound.conf
+++ b/emulator/render-bridge/gauge_arena_net_sound.conf
@@ -66,7 +66,7 @@ rem arena1 city mission (TESTARN.EGG: map=arena1, time=day), RIO attached,
 rem bare -egg launch (no netnub) = the user's real-world test-egg setup.
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s s p
+call setenv.bat r f s p
 32rtm.exe -x
 rem stdout -> log: this optimized build still emits DEBUG_STREAM lines (the
 rem RIO retry spam proved it) -- capture the weapon fire-refusal reason.
diff --git a/emulator/render-bridge/gauge_arena_sound.conf b/emulator/render-bridge/gauge_arena_sound.conf
index c4dd4a1..862dafe 100644
--- a/emulator/render-bridge/gauge_arena_sound.conf
+++ b/emulator/render-bridge/gauge_arena_sound.conf
@@ -48,7 +48,7 @@ rem arena1 city mission (TESTARN.EGG: map=arena1, time=day) with the RIO
 rem attached; stdout redirected so mission-load progress survives kills.
 set HEAPSIZE=15000000
 set L4GAUGE=640x480x16
-call setenv.bat r s s p
+call setenv.bat r f s p
 32rtm.exe -x
 btl4opt.exe -egg testarn.egg
 32rtm.exe -u