Top secrets sources NedoPC pentevo

        cpu     z80

        ; macro expansion off for macros defined in succession

        macexp_dft off

delay   macro   n
        ld      c,n
loop    nop
        djnz    loop
        endm

        ; won't be expanded in listing

        delay   10

        ; force expansion of complete macro body

        macexp_ovr on

        ; will be expanded in listing

        delay   20

        ; take back override

        macexp_ovr

        ; won't be expanded in listing

        delay   30