执行以下程序后，DX的值是 H。（字母用大写）DATA SEGMENTABC DW 8573H,1238HABC1 DW 9260H,7A52HDATA ENDSCODE SEGMENT ASSUME CS: CODE, DS:DATASTART: MOV AX, DATAMOV DS, AXLEA SI, ABCLEA BX, ABC1MOV AX, [SI]ADD AX, [BX]INC SIINC SIINC BXINC BXMOV DX, [SI]ADC DX, [BX]MOV AH, 4CHINT 21HCODE ENDSEND START