Assembler Directives - ORG

ORG - The origin directive tells the assembler where the next item is to be located in memory. The operand following ORG is the absolute value of the origin. A previously declared label may be used to specify the origin address. Forward references are not permitted.

ORG $400 Origin for data

ORG * Set origin to current code location

The ORG directive may be used to force Word and Long Word memory alignment:

ORG (*+1)&-2 Force Word alignment

ORG (*+3)&-4 Force Long Word alignment