CODE @WRSEC ( drv cylsec addr -- f )
    HL POP,
    DE POP,
    BC POP,
    chkPS,
    A 0x35 LDri, ( @WRSEC )
    0x28 RST,
    PUSHZ,
;CODE
CODE @GET ( a -- c f )
    DE POP,
    chkPS,
    A 0x03 LDri, ( @GET )
    0x28 RST,
    PUSHA, PUSHZ,
;CODE