2,888 Topics
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| | Im modifing an assembly module to add a branch to a new C function but I cant seem to get it working right. My stack is crashing and I cant track it down because, unfortunately, I dont have an emulator The original asm file is a 16 bit signed division … |
| | anyone have any iddea of how to do booth algorithm using tasm to add multiply 2, 32 bit and store it in a 64 bit register |
| | Hi. I have been working so hard to write this second stage loader but I cannot for the life of me figure out why it is not working. In my second stage loader it does not seem to load my kernel from disk. I have a view test points where … |
| | Ok ive been working with bootstrappers and writing them in assembly for a little bit now and I can get it to work and understand how the bootsector works when it comes to hard disks and floppy disks but when dealing with flash memory like my USB flash drive im …  |
| | [code]08048e19 <phase_2>: 8048e19: 55 push %ebp 8048e1a: 89 e5 mov %esp,%ebp 8048e1c: 83 ec 38 sub $0x38,%esp 8048e1f: 89 5d f4 mov %ebx,-0xc(%ebp) 8048e22: 89 75 f8 mov %esi,-0x8(%ebp) 8048e25: 89 7d fc mov %edi,-0x4(%ebp) 8048e28: 8d 45 dc lea -0x24(%ebp),%eax 8048e2b: 89 44 24 04 mov %eax,0x4(%esp) 8048e2f: 8b … |
| | Basically I'm looking for a special kind of Hex to ASM converter. I'm using a device called Action Replay (basically, it's a hex editor for Nintendo DS games) and I'm attempting to make codes for it using ASM (which I then convert into hex using a program, which I already … |
| | I have to alphabatesize the words in a string. I have the string which is fixed and loads into a register. Now the compiler has to print the words in alphabetic order. For eg Inpt: How are you Output:are How you. Please help me. I am struggling with it. |
| | hey all, im wondering how you declare a variable in a string. like say i want to declare a string saying "The number should be no less than X" and I want the X to be able to vary depending on what I have the variable for it at. i … |
 | hey guys how are you all? i am working on a mini screen saver which moves the character 'A' to the end of the screen that gives the effect of it crawling on the screen. the problem with it is that the speed is too fast and i can see … |
| | Hi, i want to copy a string from a register (SI), into another register (DI). But, before copying i need to scan the string for blanc space. If there is more than 1 blanc spaces (SI), i need to replace all blanc spaces with one space and put in DI. … |
| | I wanna learn c++ by looking into the assembly language generated by visual studio. But i can't find a complete reference aoubt the usage of ml9. Is masm329 is tha same with ml9? If they are not the same, which one is better to write assembly language in a win32 …  |
| | Ok ive actually got a bootstrapper going and can display text using int10h using the BIOS interrupts but im wondering is this the only way to tell the computer what to do at the lowest level, by communicating with the BIOS service interrupts, how does windows and stuff do it. |
| | Is it easy to do this?  |
| | I want to convert two C++ programs into MIPS assembly. Both programs compute if a given integer is prime or not. They both contain the same main() pretty much, but one uses an iterative function while one uses a recursive function. I am not too good with MIPS so I …  |
| | I am wondering how to use GNU as to output 16-bit DOS .com files, and how to use As to make 16-bit DOS .exe files. Can anyone help? |
| | I been trying to find with instruction was executed in this waveform and I narrowed down the choices to XRL A, @R0 or ORL 04H, A here is the picture [url]http://img511.imageshack.us/img511/959/97955260mp4.jpg[/url] I choice those two out of the rest because the write and the WR did change can I get … |
| | Hello Ok P1.2 is connected to a two external devices if I write a “1” to P1.2 and transistor B is OFF and transistor C is ON and I did MOV C, P1.2 instruction c = 1 right ? now since c = 1 is it because its ON or … |
| | I need some help with code after a Single step through lines 1-5 using uVision2. Will the entire code segment be executed with the current values in P0? Why? Alter the value of P0 within the debugger to enable the program to continue execution. Single step through lines 6 and … |
 | Hi, straight to the point, i'm working on my digital clock project using Flite 68k microprocessor. About a week now thinking what is wrong with my coding. The problem is as i run the coding it will state *** ADDRESS ERROR - ACCESS = 00400587 . Im a newbie,so did … |
| | Hey guys, how can I add two numbers stored in asciiz format ? str1 db "2",0 str2 db "3",0 thx. |
| | What mathematical function do ASR and ROR perform? For instance I have a two registers for storing a value of 2bytes (R5:R4) then I use [code=assembly] SomeProcedure: mov r20, r2 clr r3 clr r4 clr r5 cpi r20, 0 brge ProcLoop neg r20 com r3 ProcLoop: cpi r20, 0 breq … |
| | elow guys, i jut wanna ask if you have any program that have a mouse driven application in assembly languange any suggestion,what program to create ?? thanks a lot |
| | Is it possible to control a network card using assembly without going through the OS, so you can have two computers communicate to each other over the internet but without winsock or any of that crap. |
| | i'm having the same problem. i'm trying to write a program in emu8086 that generates the first 15 intergers of the Fibonacci numbers. it begins with the first two numbers, 1 and 2, and then each number after that is the sum of the last two digits....this i understand but … |
| | hi guys, i need to have an ide for assembly development on vista 64 bit operating system. i am a newbie for the assembly language. any helps will be appreciated. thanks |
| | I think i am going to use mode 13h VGA graphics. But I have a few unanswered questions about it. 1) What does it mean by there are 4 planes, what are those planes, and why do they exist? 2) For an operating system, would the computer be turned into … |
| | "Write a program in MIPS assembly language which reads two integers a, b, calculates a^3 + 3ab^2 + 3a^2b + b^3 and outputs the result." My question is, how do I calculate powers of things in MIPS? Also I think I probably need to simplify that equation first...does anyone know … |
| | Is there some documentation that shows what all the different operations and stuff represent in hex or binary like mov = 10011101 or w.e it is its for 80386 architecure btw. thanks in advance. |
| | are cpu's directly hardwired to no ascii and If i wrote my own Operating system does the cpu have a built in function that allows me to tell it an ascii number and it will draw it using a default font to the screen without windows help or anything?. |
| | Dear sir, i am really beginner of assembly low level language. so, please help me. how to program this example. program to evaluates 4*(x^2)+3x+7 if flag==1 or evaluates 9x+3 if flag==0. assume x is a 16 bits unsigned integer. waiting your prompt. bir |
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