http://www.sczy.com/article-1781.html WebAug 2, 2024 · al = 80H 答案:传递指令,对标志寄存器没有影响 CF = 0 OF = 0 SF = 1 ZF = 0 PF = 1 5、add al, 80H; al = 00H 答案: CF = 1 a、80H + 80H = 256, 对应着10进制值为256。 对于无符号数来说,产生进位,所以为1。 b、255 1111 1111 256 1 0000 0000 OF = 1 a、80H对应着无符号数值为128, 对应着有 ...
chapter 4 assembly language Flashcards Quizlet
WebSep 22, 2024 · 电池容量(Ah)的含义是什么? 蓄电池的额定容量C,单位安时(Ah),它是放电电流安(A)和放电时间小时(h)的乘积。由于对同一个电池采用不同的放电参数 … WebFeb 1, 2024 · (a) cs (b) ds (c) es (d) ss 11.设al=7fh,要使al=80h,应使用下列哪一条指令( )。 (a) and al,80h (b) or al,80h (c) xor al,80h (d) not al12.在执行十进制调整指令 daa,das之前必须将结果存放于( )中。 (a) ax (b) ah (c) al (d) bl 13.下列指令执行后影响标志位的是( ) 。 sharon cheeseman
assembly - What is "int 80h" in Linux? - Stack Overflow
WebDec 20, 2024 · Less than 14 IU/mL. A rheumatoid factor of less than 14 IU/mL is considered to be normal. In the Titer method, the normal ratio is less than 1:80 or 1 to 80.It is to be noted that the normal levels may vary slightly in different laboratories. It is prudent to talk to your doctor who will explain to you the meaning of your test results. WebThe following instruction will assemble correctly: dec BYTE PTR [edi] true. The following instructions will set the Overflow flag: mov al,80h. sub al,-5. The format for the ADD instruction is: MOV source, destination. false. The SUB instruction requires the source operand to be no larger than the destination operand. Web最后我们来看3位,经过两次和1的运算最后结果就是al的3位 (万一不理解可以手算,就两种情况)。. 综上不管al是啥。. 经过两次and,0124567位都是确定是0的. 3位确定就是al的三位 … sharon chase condos