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write a program in assembly language that will ask for a...

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Question by sandman4444
Submitted on 5/15/2004
Related FAQ: comp.lang.c Answers to Frequently Asked Questions (FAQ List)
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write a program in assembly language that will ask for  a number and print a list of prime numbers which is less than the input number?


Answer by macro_man
Submitted on 3/14/2005
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hi all.I'm new at Assembly, and I'vebeen trying to write a program that displays a string of characters i.e(this is page 0,this is page 1, and so on until page 7.)Then , the program should be able to go backwards (from page 7-0)...Going from page to page , of course , should be done after a key is pressed........
waiting for reply....
Thankx

 

Answer by Billy BOb Kiss My ass
Submitted on 3/10/2006
Rating: Not yet rated Rate this answer: Vote
This Only prints a number 1 but if you can fix it it should work
TITLE ex1_1.asm

INCLUDE Irvine32.inc

.data
Prompt BYTE "enter a number to see how many primes up to that number 3-up:", 0
Prompt2 BYTE " Is a prime"

.code
main PROC
     mov edx, OFFSET Prompt
     call WriteString
     Call ReadInt
    
     mov ebx, 2
     mov ecx, eax
L1:  cmp ecx, 1
     je Done
     cmp ecx, ebx
     je L2
    
    
     mov eax, ecx
     xor edx, edx
     div ebx
     dec ecx
     inc ebx
     cmp edx, 0
     JE L1
     stc
     jc L1
    
L2:  mov edx, ecx
     call WriteInt
    
     mov edx, OFFSET Prompt2
     call WriteString
    
     mov al, ' '
     call WriteChar
     dec ecx
     JMP L1
Done:
     exit
main ENDP  
END main

 

Answer by Jean michel Joseph
Submitted on 4/25/2006
Rating: Not yet rated Rate this answer: Vote
i need help writing a program

 

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