Question
Assembly x86 Questions: Please answer TRUE or FALSE for the following questions 1. After the following instructions have executed: mov dx,0 mov ax,123h mov bx,10h
Assembly x86 Questions: Please answer TRUE or FALSE for the following questions 1. After the following instructions have executed: mov dx,0 mov ax,123h mov bx,10h div bx
Then DX=0003h and AX=0012h. 2. The instructions: mov bx, -4 movsx eax, bx will produce FFFF FFFCh in EAX 3. The MOVZX instruction requires both operands to be the same size 4. If BL = 10h, then after the instruction: MOVSX AX, BL AX = FF10h 5. The following will multiply 8 * 12: mov ax, 8 mul 12 6. The following is the correct way to implement the division: -15 / 3 mov dx, 0 mov ax,-15 mov bx, 3 idiv bx 7. For all non-zero values in AX, after the instruction NEG AX runs, the only bit that changes in AX will be the MSB. It will change from 0 to 1, or from 1 to 0. 8. To do the equivalence of XCHG ax, bx it would take 3 MOV instructions 9. The zero flag is set when one of the operands of SUB is 0 10. The MOV instruction doesn't change any flag
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