How to declare and assign variables in ROM to an specific address
"It would seem that many users want the feature" I know; I raised that very point on this forum a while ago: http://www.keil.com/forum/docs/thread1163.asp And again here: http://www.keil.com/forum/docs/thread856.asp "and that we all imagine that it cannot really be all that difficult to implement." I believe that the Raisonance compiler does it already - so why can't Keil!? "However, the most annoying thing is that that Keil does not seem to be listening." Yes, that is very annoying. "Is the demand real?" I think we've already answered that one! At the very least, as I've said before, the workaround should be properly documented in the manual - not hidden away in some App Note or Knowledgebase article.
Keil already has this feature in the '167 toolset. The command line 'ASSIGN' function to the linker creates a public symbol with a numeric value which can be used to fill an unresolved symbol. Maybe the problem is that nobody uses the '51 (just joking). Best luck
LX51 (but not BL51) has this option but, from the description in the manual, I don't think it's quite what this question is after: it assigns an address to an unresolved symbol. The question, if I understand correctly, wants to assign a specific value and a specific address to a symbol? Standard 'C' initialisation can do the value, and Keil's _at_ extension can do the address, but C51 - for some unknown reason - won't let you use the two together :-( We await a reply from Keil to tell us why this is so... (as Graham noted, we've been waiting some time...)