[Solved]error macro for many args. How Fix ?

macro @b. [arg] { common DONE equ xxNO match dst==[src], arg \{ mov al,byte [src] mov byte [dst],al DONE equ xxYES \} match =xxNO dst==src, DONE arg \{ mov byte [dst],src DONE equ xxYES \} match =xxNO, DONE \{ must ". val = reg or num or [val or reg]" \} } ;in code this fasm error @b. ShapeDef2.isSensor = 1,\ ShapeDef2.enableSensorEvents = 1 ;this fasm ok @b. ShapeDef2.isSensor = 1

It isn't clear what is the desired goal here, but must is not a valid instruction. Is that the error that fasm outputs?

Code:

processed: must '. val = reg or num or [val or reg]'
error: illegal instruction.

Otherwise maybe this?

Code:

macro @b. [arg] { forward
     DONE equ xxNO
     match dst==[src], arg
     \{ 
        mov al,byte [src]
        mov byte [dst],al
        DONE equ xxYES 
     \}
      match =xxNO dst==src, DONE arg
     \{
        mov byte [dst],src
        DONE equ xxYES 
     \}
     match =xxNO, DONE
     \{ 
       must ". val = reg or num or [val or reg]"
     \}
    }                 

;this fasm ok
@b. ShapeDef2.isSensor = 1

;in code this fasm error
@b. ShapeDef2.isSensor = 1,\
    ShapeDef2.enableSensorEvents = 1, \
    ShapeDef2.enableSensorEvents = [ShapeDef2.isSensor]

ShapeDef2.isSensor db ?
ShapeDef2.enableSensorEvents db ?

BTW: It is easier to help if the example code can be compiled directly, without having to guess at other things needed in the source to reproduce whatever error is given. And also please show the error that fasm displayed.