PRG START 0
    LDA #bytes_len
    DIV #3
    LDA bytes_len
    LDB tab
    BASE tab
    NOBASE
HALT J HALT
    END PRG

tab0 RESB 2
tab WORD 1
    WORD 2
    WORD 3
test EQU *
bytes_len EQU test - tab
tab2 WORD 1