Index: contrib/conf/msim.conf
===================================================================
--- contrib/conf/msim.conf	(revision 38de8a54725cd7608700bfd9591eab3fc416d848)
+++ contrib/conf/msim.conf	(revision ffc277e3c054a3016b2cfa2ea3b7a295fd2a54c3)
@@ -5,5 +5,6 @@
 add dcpu mips1
 
-add rwm mainmem		0			16M	load "kernel.bin"
+add rwm	firstmem        0x0             128k	load "/dev/zero"
+add rwm mainmem		0x00100000	16M	load "kernel.bin"
 add rom startmem	0x1fc00000	1k	load "load.bin"