UMBC | Computer Organization and Assembly Language |
Name Address ---- ------- N CArray WArray DArray myAry
Then evaluate the following instructions and show the contents of the specified register, after the instruction has executed.
Pay attention and make no assumptions.
;; ;; Record all values as eight hexadecimal digits. ;; Turn the text file in use the Blackboard Digital Dropbox. ;; ;; ;; Name: ______________________ ;; ;; Email: ______________________ ;; ;; 1. _____________________ ;; ;; 2. _____________________ ;; ;; 3. _____________________ ;; ;; 4. _____________________ ;; ;; 5. _____________________ ;; ;; 6. _____________________ ;; ;; 7. _____________________ ;; ;; 8. _____________________ ;; ;; 9. _____________________ ;; ;; 10. _____________________ ;; ;; 11. _____________________ ;; ;; 12. _____________________ ;; ;; 13. _____________________ ;; ;; 14. _____________________ ;; ;; 15. _____________________ ;; ;; 16. _____________________ ;; ;; 17. _____________________ ;; ;; 18. _____________________ ;; ;; 19. _____________________ ;; ;; 20. _____________________ ;; ;; 21. _____________________ ;; ;; 22. _____________________ ;; ;; 23. _____________________ ;; ;; 24. _____________________ ;; ;; 25. _____________________ ;;
section .data N DD 5 CArray DB 'Intel 80X86' WArray DW 4, -15, 15, 33, 87, 2, -118 DArray DD 4, -15, 15, 33, 32787, 100000, 0xFFFFFF00 myAry db 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 db 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35 db 36, 37, 38, 39, 40, 50, 51, 52, 53, 54, 55, 56, 57 db 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70 db 71 db 72 db 73 db 74 db 75 db 76 db 77 db 78 db 79 db 80
mov eax, 0 ; mov ebx, 3 mov al, byte [ CArray + ebx ] ; 1. eax = ____________ ; mov ebx, [ N ] mov al, [ CArray + ebx ] ; 2. eax = ____________ mov al, [ CArray + 2 + ebx ] ; 3. eax = ____________ ; mov ebx, [ N ] shl ebx, 1 mov ax, [ WArray + ebx ] ; 4. eax = ____________ mov ax, [ WArray - 2 + ebx ] ; 5. eax = ____________ ; mov ebx, CArray mov al, [ ebx ] ; 6. eax = ____________ mov al, [ 3 + ebx ] ; 7. eax = ____________ ; mov ebx, WArray mov ax, [ ebx ] ; 8. eax = ____________ mov ax, [ 8 + ebx ] ; 9. eax = ____________ ; mov ebx, CArray mov esi, 3 mov al, [ ebx + esi ] ; 10. eax = ____________ mov al, [ 3 + ebx + esi ] ; 11. eax = ____________ ; mov ebx, WArray mov esi, 6 mov ax, [ebx + esi] ; 12. eax = ____________ mov ax, [4 + ebx + esi] ; 13. eax = ____________ ; mov ebx, DArray mov esi, 12 mov eax, [ ebx + esi ] ; 14. eax = ____________ mov eax, [ 8 + ebx + esi ] ; 15. eax = ____________ ; mov ebx, 10h mov eax, dword [ myAry + ebx ] ; 16. eax = ____________ mov ax, word [ myAry + ebx ] ; 17. eax = ____________ mov ah, byte [ myAry + ebx ] ; 18. eax = ____________ ; mov ebx, 10 mov ax, [ myAry + 2 * ebx ] ; 19. eax = ____________ ; xor eax, eax mov ebx, 1011b ; 20. ebx = ____________ mov eax, [ myAry + ebx ] ; 21. eax = ____________ add ebx, myAry ; 22. ebx = ____________ mov eax, [ ebx ] ; 23. eax = ____________ ; mov eax, 0 inc ebx mov ax, [ ebx ] ; 24. eax = ____________ ; mov eax, 0 inc ebx mov ah, [ ebx ] ; 25. eax = ____________ ;