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
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