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authorDon Dugger <n0ano@n0ano.com>2016-06-03 03:33:22 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2016-06-03 03:33:23 +0000
commitda27230f80795d0028333713f036d44c53cb0e68 (patch)
treeb3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/roms/openbios/forth/lib/string.fs
parent0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff)
parent437fd90c0250dee670290f9b714253671a990160 (diff)
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/roms/openbios/forth/lib/string.fs')
-rw-r--r--qemu/roms/openbios/forth/lib/string.fs14
1 files changed, 14 insertions, 0 deletions
diff --git a/qemu/roms/openbios/forth/lib/string.fs b/qemu/roms/openbios/forth/lib/string.fs
index eb6474917..f97db232f 100644
--- a/qemu/roms/openbios/forth/lib/string.fs
+++ b/qemu/roms/openbios/forth/lib/string.fs
@@ -125,3 +125,17 @@
: parse-hex ( str len -- value )
base @ hex -rot $number if 0 then swap base !
;
+
+
+\ -----------------------------------------------------
+\ miscellaneous functions
+\ -----------------------------------------------------
+
+: rot13 ( c - c )
+ dup upc [char] A [char] M between if d# 13 + exit then
+ dup upc [char] N [char] Z between if d# 13 - then
+;
+
+: rot13-str ( str len -- newstr len )
+ strdup 2dup bounds ?do i c@ rot13 i c! loop
+;