diff --git a/src/inc/cmdsys.plh b/src/inc/cmdsys.plh
index d7dfa02..b6b33cd 100644
--- a/src/inc/cmdsys.plh
+++ b/src/inc/cmdsys.plh
@@ -2,6 +2,7 @@ import cmdsys
     //
     // Useful values for everyone
     //
+    const _VERSION_ = $0100
     const FALSE = 0
     const TRUE  = not FALSE
     const NULL  = 0
@@ -49,6 +50,6 @@ import cmdsys
     predef call(addr,areg,xreg,yreg,status)#1, syscall(cmd,params)#1
     predef heapmark()#1, heapallocalign(size, pow2, freeaddr)#1, heapalloc(size)#1, heaprelease(newheap)#1, heapavail()#1
     predef memset(addr,value,size)#0, memcpy(dst,src,size)#0
-    predef divmod(a,b)#2, isugt(a,b)#1, isuge(a,b)#1, isult(a,b)#1, isule(a,b)#1
+    predef sext(a)#1, divmod(a,b)#2, isugt(a,b)#1, isuge(a,b)#1, isult(a,b)#1, isule(a,b)#1
     predef modload(mod)#1, modexec(modfile)#1, modaddr(str)#1
 end
diff --git a/src/vmsrc/cmd.pla b/src/vmsrc/cmd.pla
index 926ca57..560270c 100755
--- a/src/vmsrc/cmd.pla
+++ b/src/vmsrc/cmd.pla
@@ -1356,7 +1356,7 @@ heap = *freemem
 //
 // Print PLASMA version
 //
-prstr("PLASMA "); prbyte(version.1); cout('.'); prbyte(version.0); crout
+prstr("PLASMA Pre "); prbyte(version.1); cout('.'); prbyte(version.0); crout
 //
 // Init symbol table.
 //