[简答题,10分] 给出下列子程序的功能和执行结果。 X DB 3AH …… SUBR3 PROC NEAR MOV AL,X MOV BL,10 MOV DX,0 LETE : MOV AH,0 DIV BL MOV DL,AH PUSH DX CMP AL,0 JNZ LETE RET SUBR3 ENDP