Difference between revisions of "CSC231 Homework 4 Solutions 2014"
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__TOC__ | __TOC__ | ||
<br /> | <br /> | ||
| + | <onlydft> | ||
=Problem #1= | =Problem #1= | ||
<br /> | <br /> | ||
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int 0x80 ;print first letter in cap | int 0x80 ;print first letter in cap | ||
| − | + | mov ecx, 0 | |
| + | mov ecx, byte[esi] ;move the integer to ecx | ||
dec ecx ;minus the already printed first letter | dec ecx ;minus the already printed first letter | ||
inc dword[counter] | inc dword[counter] | ||
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mov edx, line_len | mov edx, line_len | ||
push ecx | push ecx | ||
| − | + | mov ecx, newLine | |
int 0x80 | int 0x80 | ||
pop ecx | pop ecx | ||
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push ecx | push ecx | ||
mov eax, dword[counter] | mov eax, dword[counter] | ||
| + | inc dword[counter] | ||
call printFibMsg | call printFibMsg | ||
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;;; ; D. Thiebaut | ;;; ; D. Thiebaut | ||
;;; ; | ;;; ; | ||
| − | ;;; ; a | + | ;;; ; This program takes a number in eax and prints it in hex |
| + | ;;; ; on the screen. The program provides a global function | ||
| + | ;;; ; called _printHex. | ||
;;; ; | ;;; ; | ||
;;; ; to assemble and run: | ;;; ; to assemble and run: | ||
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;;; ; nasm -f elf -F stabs Hw4_4.asm | ;;; ; nasm -f elf -F stabs Hw4_4.asm | ||
;;; ; ld -melf_i3896 -o Hw4_4 Hw4_4.o | ;;; ; ld -melf_i3896 -o Hw4_4 Hw4_4.o | ||
| − | ;;; ; ./ | + | ;;; ; ./Hw4_4 |
;;; ; ------------------------------------------------------------------- | ;;; ; ------------------------------------------------------------------- | ||
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index dd 7 | index dd 7 | ||
| + | section .text | ||
| + | |||
_printHex: push eax | _printHex: push eax | ||
push ebx | push ebx | ||
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</source> | </source> | ||
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| + | [[Category:CSC231]][[Category:Homework]] | ||
