$NOMOD51
                #include <reg52.h>
                <B>Declaration    SEGMENT  CODE</B>

                PUBLIC  ...
                EXTRN   ...

                ABC     EQU   20H
                ...

                RSEG    Declaration
                <B>ORG     0000H</B>
                JMP     Init
                ORG     0050H
Init:           ;MAIN LOOP