diff --git a/bin/basic_generic.rom b/bin/basic_generic.rom
index 95d1bd01..1ddfbd82 100644
Binary files a/bin/basic_generic.rom and b/bin/basic_generic.rom differ
diff --git a/bin/basic_generic_crt.rom b/bin/basic_generic_crt.rom
index 1e6104fd..3549c683 100644
Binary files a/bin/basic_generic_crt.rom and b/bin/basic_generic_crt.rom differ
diff --git a/bin/basic_ultimate64.rom b/bin/basic_ultimate64.rom
index a37fb327..4aefc34a 100644
Binary files a/bin/basic_ultimate64.rom and b/bin/basic_ultimate64.rom differ
diff --git a/bin/extrom_generic_crt.crt b/bin/extrom_generic_crt.crt
index de6c5579..4780c72a 100644
Binary files a/bin/extrom_generic_crt.crt and b/bin/extrom_generic_crt.crt differ
diff --git a/bin/kernal_generic.rom b/bin/kernal_generic.rom
index dfefccd4..2819eeac 100644
Binary files a/bin/kernal_generic.rom and b/bin/kernal_generic.rom differ
diff --git a/bin/kernal_generic_crt.rom b/bin/kernal_generic_crt.rom
index 74035f8d..f976ce2d 100644
Binary files a/bin/kernal_generic_crt.rom and b/bin/kernal_generic_crt.rom differ
diff --git a/bin/kernal_ultimate64.rom b/bin/kernal_ultimate64.rom
index 50e7685e..ef234000 100644
Binary files a/bin/kernal_ultimate64.rom and b/bin/kernal_ultimate64.rom differ
diff --git a/bin/mega65.rom b/bin/mega65.rom
index e03351a0..a089f01f 100644
Binary files a/bin/mega65.rom and b/bin/mega65.rom differ
diff --git a/bin/mega65_orfont.rom b/bin/mega65_orfont.rom
index 48c04f1d..d516675e 100644
Binary files a/bin/mega65_orfont.rom and b/bin/mega65_orfont.rom differ
diff --git a/src/,,config_mega65.s b/src/,,config_mega65.s
index d1d19ebc..07bdd2ca 100644
--- a/src/,,config_mega65.s
+++ b/src/,,config_mega65.s
@@ -91,9 +91,9 @@
 ; --- Built-in DOS configuration
 
 ;; #CONFIG# UNIT_SDCARD                27
-;; #CONFIG# UNIT_FLOPPY0               28
-;; #CONFIG# UNIT_FLOPPY1               29
-;; #CONFIG# UNIT_RAMDISK               30
+;; #CONFIG# UNIT_FLOPPY0               0
+;; #CONFIG# UNIT_FLOPPY1               0
+;; #CONFIG# UNIT_RAMDISK               0
 
 
 ; --- Debug options
diff --git a/strings/A5C385C1A5C485C220 b/strings/A5C385C1A5C485C220
new file mode 100644
index 00000000..25e5de60
--- /dev/null
+++ b/strings/A5C385C1A5C485C220
@@ -0,0 +1,3 @@
+LDA $C3 + STA $C1 + LDA $C$ + STA $C2 + JSR (address not imnculded in similarity)
+
+Copy 16-bit value from one well-known zero page location to another + jump to subroutine. Trivial - not copyrightable.