macro setTxtInfo n,t { mov [usrTextInfo+40*n],t }
usrTextInfo rb 64*100

;in code I want write different len text
setTxtInfo 1,'option 1'
setTxtInfo 2,'next'
setTxtInfo 3,'debug mode'
    

macro setTxtInfo n,t {
virtual at 0
    .ww:: .aa db t,0
end virtual
      xcnt = 0

      repeat 40-1

      load k  byte from .ww:.aa+xcnt
      if k = 0
      break
      end if
      mov     byte [usrTextInfo+40*n+xcnt],k

      xcnt = xcnt+1

      end repeat
}                 
;in code I want write different len text
setTxtInfo 1,'option 1'
setTxtInfo 2,'next'