h3 .area pre .area p Switch to the code or data segment . The following code will be stored in the segment . You can switch between segments any time you like, appending some code here and appending some code there. p Equivalent to pre #code #data p except that it does not check the segment type. (data/code) p.b Example: pre ; define some uninitialized variables: .area _DATA _bu1:: .ds 10 _bu2:: .ds 10   ; define some initialized variables: .area _INITIALIZED _str3:: .ds 10 _a_counter:: .ds 2   ; define some executable code: .area _CODE _Intr: exx ex af,af' ld hl,#_a_counter inc (hl) jr NZ,00103$ inc hl inc (hl) ...