exercise Excercise_Chapter04.docVIP

exercise Excercise_Chapter04 导读：就爱阅读网友为您分享以下“Excercise_Chapter04”资讯，希望对您有所帮助，感谢您对92的支持! Chapter 4 Test Bank Fill in the Blanks and Short Answer Use the following data definitions until notified otherwise: byte1 BYTE 0FFh,1,2 byte2 BYTE 14h word1 WORD 0FFFFh,1,2 word2 WORD 3 word3 SWORD 7FFFh,8000h word4 SWORD 9000h dword1 DWORD 10h,20h,30h,40h dArray DWORD 10 DUP(?) 1. Write one or more statements that move the contents of word1 to word2. 2. For each of the following instructions, indicate whether it is legal (L) or illegal (I): a. mov byte2,0FFh b. mov word1,byte2 c. mov word2,10000h d. mov si,word1 3. For each of the following instructions, indicate whether it is legal (L) or illegal (I): a. movzx ax,byte1 b. movzx edx,bl c. movzx word2,al d. movsx dl,al 4. Indicate the hexadecimal value of the destination operand next to each instruction. Use the letter I to indicate that a particular instruction is illegal: mov dx,word3 movsx eax,byte1 mov dh,al mov bx,dx b. c. d. a. 5. Indicate the hexadecimal value of the destination operand next to each instruction. Use the letter I to indicate that a particular instruction is illegal: mov ax,[word3+2] mov al,[byte1+1] mov eax,[word3+4] a. mov eax,[dword1+4] c. d. b. 6. Where marked by a letter (a, b, c, d), indicate the hexadecimal value of the destination operand: mov ax,word1 inc ax dec ax mov ax,word3 neg ax add ax,0C2A5h a. b. c. d. 7. Where marked by a letter (a, b, c, d), indicate the hexadecimal value of the destination operand: mov al,7Fh add al,2 sub al,5 mov al,80h add al,80h neg al a: ZF,CF,SF,OF= b: ZF,CF,SF,OF= c: ZF,CF,SF,OF= d: ZF,CF,SF,OF= 8. Which instruction loads the low byte of the EFLAGS register into AH? Irvine, Kip R. Assembly Language for Intel-Based Computers, 4th Edition 1 9. Write an instruction that moves the 32-bit address of word1 into the ESI register (assume 32-bit Protected mode). 10. Write an instruction that moves the lower 16 bits of dword1 i