site stats

Push word ptr 20 bx+si-2

Web1.popcs2.pushwordptr20[bx+si-2]3.leabx,4[bx]4.jmpbyteptr[bx]5.sarax,56.movbyteptr[bx],10007.cmp[di],[si]8.addbx,offseta9.inal,dx10.mul25... WebPUSH WORD PTR [BX.dir_attr] PUSH WORD PTR [ThisDrv] LDS SI,[rename_dest] invoke GetPath POP AX JC rename_check_drives rename_bad_access: ADD SP,12 ... PUSH BX …

Programare în Limbaj de Asamblare Aplica ţii

Webmov ax,[bx+si+4] mov ax,[bx][si]+4 mov ax,[bx][si+4] All these instructions will use the same address. If BX=4 and SI=8, then the address will be 4+8+4 =16 (decimal) = 10h. Base … WebMOV AX, BX MOV AX, 5000H MOV AX, [SI] MOV AX, [2000H] MOV AX, 50H[BX] MOV [734AH], BX . MOV DS, CX MOV CL, [357AH] Direct loading of the segment registers with immediate data is not permitted. PUSH: Push to Stack . This instruction pushes the contents of the specified register/memory location on to the stack. multisociety task force colonoscopy https://wylieboatrentals.com

Instruction Operand Addressing on x86 - c-jump

WebNov 26, 2014 · Page 20 CMPS / CMPSB / CMPSW ... The REPE CMPSW instruction will cause the pointers in SI and DI to be incremented by 2 after each compare, if the direction … Webe.g. [ BX + SI + constant ] • During execution, the processor uses a temporary register to calculate sum of valuescalculate sum of values – It then accesses memory addressed by … WebDec 7, 2024 · a、push word ptr 20[bx+si-2] b、add bx,oddset a c、lea bx,4[bx] d、mov byte ptr[bx], 1000 正确答案: d 我的答案:c. 分析; a:push都是以字为单位的,先减2,再入栈; … multisoft honline

指令的练习(答案).doc 11页 - 原创力文档

Category:MidTerm Exam 1 Answer Key - Washington State University

Tags:Push word ptr 20 bx+si-2

Push word ptr 20 bx+si-2

指令的练习(答案).doc 11页 - 原创力文档

Web我知道例如 push eax会将eax保存到堆栈中,并将esp减4。. pushdword ptr表示它需要压入4个字节,但是我感到困惑。. 同样如果是 [esi + 22],这会是同一回事吗?. 相关讨论. 很 … WebMay 31, 2003 · 11.pop cs 12.push word ptr 20[bx+si-2] 试求出下列运算的结果,并根据结果设置标志位SF、ZF、CF、OF的值。 1.1234H+62A0H 2.1234H-4AE0H

Push word ptr 20 bx+si-2

Did you know?

Web20: xor SI,SI ; total := 0 21: mov CX,[BP+6] ; CX := class size. HLL Interface: 11 22 ... push WORD PTR[BP+6] ; push class size 43: push SI ; push total marks 44: call ... Marks total is … WebNov 6, 2024 · 常用汇编指令 word ptr 与 byte ptr word ptr指明了指令访问的内存单元是一个字单元。byte ptr指明了指令访问的内存单元是一个字节单元。dword ptr指令访问的内存单 …

WebFeb 5, 2014 · edited Feb 6, 2014 at 6:31. answered Feb 6, 2014 at 6:15. Kerrek SB. 460k 91 869 1075. Add a comment. 2. push dword ptr [eax+22] would decrement esp by 4 and …

Web下列指令中,有语法错误的是 ( ) a.mov[st],[di]b.in al,dxc.jmp word ptr[bx+8]d.push word ptr 20[bx+si-2] 答案 A[解析] MOV指令是最基本的数据传送指令,它可以在寄存器与 … Web• PUSH DS • PUSH [5000H] Fig. 2.2 Push Data to stack memory POP : Pop from Sack ... CMP BX, [SI] CMP BX, CX MUL : ... MUL WORD PTR [SI] ; (DX)(AX) (AX) x ([SI]) IMUL :Signed Multiplication This instruction multiplies a signed byte in source operand by a signed byte in AL or a signed word in source operand by a signed word in AX. Eg.

WebBy default BX, SI and DI registers work with DS segment register BP and SP work with SS segment register. IP work with CS segment register. Addressing data in memory Consider …

WebSep 20, 2010 · Last edited by Mac2004 on 20 Mar 2007, 17:23; edited 1 time in total: 20 Mar 2007, 16:25: Mac2004 Joined: 15 Dec 2003 ... [si + disk.drv] mov bx,[si + disk.ptr] mov … multisoftsystems.comWebPUSH BP MOV BP,SP IF: CMP WORD PTR[BP+4],1 JG ENDIF THEN: MOV AX,1 JMP RETURN ENDIF: MOV CX,[BP + 4] DEC CX PUSH CX CALL FACT MUL WORD PTR[BP+4] RETURN: … how to mix green grey paintWebMOV DX,WORD PTR [DI.fcb_RR+2] return GET_random_record ENDP SUBTTL FNDCLUS -- Skip over allocation units PAGE ... MOV BYTE PTR [BX.BUFDIRTY],1 LEA SI,[BX.BufInSiz] SUB DI,SI ; Position in buffer MOV SI,DI MOV DI,BX invoke ... PUSH BX PUSH DX PUSH DI XOR BX,BX MOV DX,[FATBYT] invoke PACK POP DI POP DX POP ... how to mix green color paint