In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Should work. MOV W,RA INC W ; make sure option register is setup for RAM location $00 = W MOV M,W MOV W,RB IREAD MOV RC,W Be sure to increment the value in RA so 6502 address $000 = $1FF in sx code space. This is because the reset location must be in the first page of memory, so I would just skip the whole first page. This would give you 256 words for the code and 1.75K to address. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=84916#m84925 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)