assembly

SETTIME: ;Function call 45
;Time is in CX:DX in hours, minutes, seconds, 1/100 sec.
        MOV     AL,-1           ;Flag in case of error
        CMP     CH,24           ;Check hours
        JAE     RET26
        CMP     CL,60           ;Check minutes
        JAE     RET26
        CMP     DH,60           ;Check seconds
        JAE     RET26
        CMP     DL,100          ;Check 1/100's
        JAE     RET26
        CALL    FAR PTR BIOSSETTIME
        XOR     AL,AL
        RET