Mov ax word ptr buf
Nettetmov ax,dx mov cx,bx mov dx,bx mov dx,es 学习文档 jmp cx 图3.10 段内间接寻址示意图 学习文档 jmp word ptr [bx] ds 8 0 0 0 bx + 1000 81000 31000h 操作码 32000h 操作码 cs 3 0 0 0 ip + 2000 32000 81000h 00h 20h 图3.10 段内间接寻址示意学习图文(档cs内容不变,仅改变ip值) 3.2.1 数据传送指令 1. Nettet15. mar. 2024 · Solution 1. The instruction mov eax, eax may be a no-operation code but that is not what you have here. You're loading from memory, as indicated by the [] …
Mov ax word ptr buf
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Nettet4. jan. 2024 · ;.386 DOSSEG .MODEL SMALL .STACK 100h .DATA MY_MUL MACRO X,Y,Z mov z,0 mov z+2,0 mov ax,x mul y mov z,ax mov z+2,dx mov ax,x+2 mul y … Nettet29. aug. 2024 · mov QWORD PTR [rbp-0x30],0x4020c5 means exactly "move 0x4020c5 to a memory location rbp-0x30 and treat this number as qword" (8 - byte number). But q …
Nettet18. mar. 2006 · mov DWORD PTR [ebp-4], 0 followed directly by mov DWORD PTR [ebp-4], 1 mov DWORD PTR [ebp-4], 2 etc. Not always in sequence by value, but usually. I … Netteta) 10h b) 20hc) 30h d) 40h;执行下面的程序段后,data1单元的值是_____。 data1 db 10h,20h data2 db 30h,40h mov ax,word ptr data1 cmp ax,word ptr data2 ja mai…
Nettet6. nov. 2024 · ptr – pointer (指针)缩写。汇编里面 ptr 是规定的字 (保留字)。mov ax,bx ;是把BX寄存器“里”的值赋予AX,由于二者都是word型,不用wordmov ax,word ptr … Nettet11. jan. 2011 · entry datay table mov datax taba 指令系统程序设计举例例1:从存储器中取数的基本方法执行下列指令后,AX寄存器中的内容是什么?TABLEDW10,20,30,40,50ENTRYDWMOVBX,OFFSETTABLE;取数据串偏移地址ADDBX,ENTRY;BX=BX+3MOVAX, [BX];物理地址=DS16+(BX)答案: …
Netteta、cl b、cx c、al d、ax 答案:b 7:完成对字单元 buf 的内容加 1 运算,下面错误的指令是( ) a、mov bx,buf inc bx mov buf,bx b、mov bx,offset buf inc word ptr [bx] c、mov bx,buf inc word ptr [bx] d、mov bx,0 inc word ptr buf[bx] 答案:c 8:num equ 80h da db 34h and da,num 上述语句执行后,da 中的内容是 ( )。
Nettet1. apr. 2010 · 第四章 数据传送、寻址和算术运算. 1、操作数的三种基本类型是什么?. 立即操作数、寄存器操作数、内存操作数. 2、(真假)mov指令的目的操作数不能为段寄存器。. 假. 3、(真假)mov指令中的第二个操作数是目的操作数。. 假. 4、(真假)eip寄存器不能作为mov ... drawing wiff waffles unboxingNettet실시간 공지사항. 새소식 지존도 이제 엑스퍼트; 새소식 전문가가 필요할 때! 엑스퍼트. 새소식 봄맞이 답변 이벤트 참여하세요! empowered puppy programNettet4. jul. 2024 · 43 7. WORD PTR [d] is verbose way of saying [d] since the size of the data doesn't matter in getting its address. Would be the same as saying LEA AX, [d] which … empowered prosthetics and orthoticsNettet执行下面的程序段后,data1单元的值是_____。 data1 db 10h,20h data2 db 30h,40h mov ax,word ptr data1 cmp ax,word ptr data2 ja main mov bx,word ptr data2 … drawing windows app templateNettetmov eax, 5 sub eax, 6 eax = FFFFFFFFh, SF = 1 (The result is negative) In the following code, the value in AL is intended to be a signed byte. Explain how the Overflow flag helps, or does not help you, to determine whether the final value in AL falls within a valid signed range. mov al, -1 add al, 130 drawing wiff waffles zenpopNettetA. MOV DA1,DA2 B. JMP WORD PTR [BX] C. MOV AX, [BX+DI] NUM D. TEST AL,08H 8. 计算机处理问题中会碰到大量的字符、符号,对此必须采用统一的编码。 目前,微机中普遍采用的是(C)。 A. BCD 码 B. 二进制码 C. ASCII 码 D. 十六进制码 9. 设变量定义如下:DA_WORD DW 3,5AH,98,0B0H。 指令ADD AL,TYPE … empower ed rapid cityNettet6. mar. 2024 · You convert value in ax to decimal. The ax contains low word of file length from previous hex conversion call. So for files of length up to 65535 (0xFFFF = maximum 16b unsigned integer) it may work. For longer files it will not, as upper word is in dx, which you just destroy by mov dx,0. empowered readers literacy project