2,888 Topics
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| | I'm trying to make some code that directly interfaces with the VGA card(in real mode), I know the ports(0x3c6, 0x3c7, 0x3c8, 0x3c9) I need to use to output data on the screen. My code is this: [CODE] mov ax, 0 out 0x3c8, ax ;plot pixel at location 0 mov ax, … |
| | Hello, i have a noob question. Could you please answer me, what do this means? [CODE]call dword ptr [ecx+5Ch][/CODE] i can not get, what does this +5Ch (its s backslash "\"), but what it means in this calling? Thanks! |
| | I program using masm to make 32 bit programs. I need help converting some C code to assembly. Could someone help me? Thanks.  |
| | hello every body code below make directory in an address that is define in data part. ; create c:\emu8086\vdrive\C\test1 mov dx,ah mov ah, 39h int 21h but i want to get address from user. i can do this with macros . anyone know this with intrrupts? best Regard |
| | Usually to print on screen a integer of 2 numbers i divides it for 10 and then use int 21h with mov ah,2 to print the 2 results. However with integers with more than 2 numbers it starts getting complicated and the method i use becomes really too long . … |
| | Hello, I tried to convert below code, but I couldn't.. What is wrong? [code=c] void invert(unsigned char *image, int width, int height){ for(int i=0;i<width*height;i++) image[i]=255-image[i]; } [/code] [code=assembly] ---------------------ASM--------- invert PROC push ebp ; save ebp register mov ebp,esp ; get current stack pointer mov esi,[ebp+8] ; get first parameter … |
| | I had tried to make a compare strings function in real mode assembly, but it didn't work, so I tried it another way and it did. It seems to me that both functions I wrote do the same thing yet one doesn't work. Can someone tell me why, the two … |
| | Hey, i have a quick coding question. im programming in in ARM Assembler. my problem is that i need to find out the number of data values in a memory location, eg [CODE] AREA Test, DATA, READWRITE data_values DCD -16,100,-456,7,-123,-42,126789,2349,-34,-2344,45,-45,-3345 END [/CODE] so how do i find out that there … |
| | WHY SOME COMMANDS DONT WORK IN CMD LIKE "@" my program always have an error whenever i have this command! |
| | hi im new to assembly lang!im using cmd debug in doing program but some command didn't work!like @ and some other command can anyone help me! |
| | Hello all, So I am NEW to all this, and I have a quick question with some code of mine. When I open this code in PC SPIM I get the following error: spim: (parser) syntax error on line 18 move $a0, $t4 #move the number to print into $a0 … |
| | I I'm trying to create an application in real mode that uses the flags to store the results of calculations and other stuff. I'm trying to do this to take up less memory. So can someone please give me some example code or tell me how to do this. I … |
| | I can't get my pointers in assembly to work, I'm using nasm and trying to use pointers in real mode with 16-bit registers. Here is my code: [CODE] mov di, Pointer mov ah, 0x0e mov al, [di] int 0x10 Pointer: db "W" [/CODE] This code should print out the character … |
| | Title tell me .model small .stack 100h .data msg1 db 0Dh,0Ah, "TYPE A DECIMAL NUMBER >> $" msg2 db 0Dh,0Ah,0Dh,0Ah, " In BINARY >> $" buffer db 7,?, 5 dup (0), 0, 0 binary dw ? illegal db 10,13,'not valid, TRY AGAIN: ','$' ctr DB ? PROMPT_2 DB 0DH,0AH,0Dh,0Ah,' In … |
| | I want to write a program changing the notation of all hexadecimal numbers found in an assembly source file from traditional (<decimal_digit><hex digits>h) to C-style (0x<hex_digits>). I dont understand how can i read the file and change the notation. I am new to assembly programming and any help would be … |
| | Hello, I have this code: [code] .data xd db "jjjj",0 .code ; Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā«Ā« LibMain proc instance:DWORD,reason:DWORD,unused:DWORD .if reason == DLL_PROCESS_ATTACH push dword ptr ds:[ xd] call Teste mov eax, TRUE ; return TRUE so DLL will start .elseif reason == DLL_PROCESS_DETACH .elseif reason == DLL_THREAD_ATTACH .elseif reason == DLL_THREAD_DETACH .endif …  |
| | An integer is loaded in from memory. ran through two loops to determine the tens place and the ones place. Integer is stored back to memory and displayed. Example #98 Tens place -->9 Ones place -->8 :) |
| | hi all friend!! last week I downloaded one software name "winasm" . they said this program can write assembly but i don't know how to write in this program.Does everyone know ?? thank |
| | Hello I have to do a MIPS project that I have to divide a 64 bit int. How can I do this? Please Guide me. Thanks |
| | Hi all, I use the code below, and it's my idea it will give me on my LCDisplay the letters "Camil" (and yes, that is my name) All the first subroutines i just copied form [url]http://home.iae.nl/users/pouweha/lcd/lcd2.shtml[/url] - it has to work. From label start i did make anything myself. I'm … |
| | I want to code assembly,Code assembly is convert number to character for ASCII code. example. ======================================================= Input ASCII CODE (in hexadecimal) press Esc to end the program : 41 Out put character is : A =======================================================  |
| | Hi. I'm hoping someone here is familiar with x86 optimization, because I'm stumped. I wrote two programs that find prime numbers in the same way, [URL="http://endlessbeta.org/code/prime.asm"]one in assembly[/URL] and [URL="http://endlessbeta.org/code/prime.c"]one in C[/URL]. It seems that no matter what I do to the assembly version, the C version is always faster … |
| | hi, i'm trying to write a program that changes the 23h interrupt with my own handler which is to display "bonjour"32000 time and when ctrl break is pushed a msg"do you want to exit the program? y/n" is displayed.if the user select y the program will exit else the "bonjour" … |
| | hi do everyone know which program i can write assembly ? (I'm using Window Premium 7 64 bit) thank for spending your time to answer this question  |
| | Hi! First of all I would like to apologize; I dont usually ask for favours but I have blocked with a Sparc exercise. [CODE]"Write a program in assembly language SPARC applying multiple string from the keyboard. The end of the sequence of strings is determined by a null string. The … |
| | Hi this is the fact procedure: [CODE]fact: addi $sp, $sp, -8 sw $ra, 4($sp) sw $a0, 0($sp) slti $t0, $a0, 1 beq $t0, $zero, L1 addi $v0, $zero, 1 addi $sp, $sp, 8 jr $ra L1: addi $a0, $a0, -1 jal fact lw $a0, 0($sp) lw $ra, 4($sp) addi $sp, … |
| | Hello! Could anybody help me to make this java code( or part) to assembly (mips 32)? I would apprecĪ¹ate any help! The java code is: [CODE]import java.io.*; class BinarySearch { final static int MAX=5; public static void main (String args[]) throws IOException { char [] a = new char [MAX]; … |
| | Hello, The following exercise I have to make, but I've got no idea how to do it. Can anyone help me? Write a program in assembly in the ATmega32 AVR Studio which both following issue as a choice of the following commands worked out and resolved. Make sure there in … |
| | Can you please give me, or point somewhere, to find some sample code in FASM I'm trying to do a very simple program asking for a password, if the pass is correct display a message, if not exit program. Thank you very much :) |
| | i know what registers are, i know a lot of things about registers. but my problem is: a register is able to store data/instructions. like a 16 bit register can store 16 bit instruction/data BUT HOW MUCH DATA/INSTRUCTIONS CAN IT STORE AT THE SAME TIME? like an accumulator is used … |
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