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Questions tagged [rom]

Read-only memory (ROM) is a class of storage medium used in computers and other electronic devices. Data stored in ROM cannot be modified, or can be modified only slowly or with difficulty.

Read-only memory (ROM) is a class of storage medium used in computers and other electronic devices. Data stored in ROM cannot be modified, or can be modified only slowly or with difficulty, so it is mainly used to distribute (software that is very closely tied to specific hardware, and unlikely to need frequent updates).

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how first instruction is executed when the system is powered on

im very curious about how the board start up takes place , how the first instruction is executed when board is powered on how the peripheral are intialized...thanks in advance how the first instruction address of ROM is loaded into PC(program…
karunakar reddy
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Execute code from ROM, Stack and Variable in RAM

I have a small application and on our board we have ROM. I would like for this program to be executed from the ROM while having variables and stack in RAM. I understand I need to place my .text segment, followed by my .data segment in ROM. And then…
Leo
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Disable HDCP requirement on Chromecast

We recently purchased a Chromecast to cast to our old (but very good) computer monitor as a substitute TV. Unfortunately, the monitor doesn't support HDCP, so the Chromecast OS refuses to display anything. Is there anything we can do in software (I…
PythonNut
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Android adb sideload command

I am reading a tutorial on the sideload command at link. It contains the steps of rebooting into recovery mode and using adb sideload [file].zip. My question is that what does sideload actually do with that zip file ? In the past I have compiled…
Jake
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Can't copy files on Nexus 5

nexus 5 won't copy files, keeps giving me error saying "Cannot copy item - The device has either stopped responding or has been disconnected". I never had this problem before. Android Debugging is enabled, checked on unknown sources, checked on…
user2199351
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Compiling parts of AOSP outside the source tree

I'd like to compile small, standalone parts of the AOSP outside the source tree. Normal way to compile screenshot (android/framework/base/cmds/screenshot) utility would be to execute make screenshot in the tree roor (android/). How can I compile…
user3473518
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Running HTC rom on emulator

I have came across some weird behavior while using camera in my app. I am clicking picture from camera and then uploading it to server. I didn't mention in my code that device should save the pic first, it works well in samsung, nexus BUT on running…
Sunil
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Android DisplayManager createVirtualDisplay?

anybody knows what this method does, anybody has some sample code? Anybody used this before? The method is createVirtualDisplay() inside DisplayManager Thanks
Francesco Rigoni
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Right binaries for my Nexus 5 (4.4.3), KRT16M or KOT49H?

I downloaded the AOSP source code and compiled it. I used the Android 4.4.2 (KOT49H) binaries. Problem now is that I do not have any camera app at all. If I try to access it from the lock screen it says: Can't connect to the camera. I suppose it…
Simon Zettervall
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Using Android source in Eclipse: 9 build path entries are missing?

I loaded the Android source code into Eclipse. Now I have the following error: 9 build path entries are missing. I tried cleaning it, refreshing it and deleting and re-importing the project. For instance it tries to get this…
Simon Zettervall
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Android: how to display multiple activities at the same time

I'm working on a custom Android ROM that must allow multiple activities to be displayed at the same time on the screen. Something similar to what the Samsung multiwindow does. This case is a bit different though since I have to show, let's say, 5…
Francesco Rigoni
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Android custom image in status bar while audio is playing

I am trying to figure out a way to have a custom image display in the status bar of an Android device whenever audio is being played (independent of the app used to invoke the audio). I am not referring to an app or a notification, but rather I need…
Keron
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How to synthesize a block of registers as ROM in verilog

Here is a bit from my verilog code reg [17:0]FilterCoeffRam[95:0]; // Filter Coefficients reg [17:0]CoeffRam01[0:5]; reg [17:0]CoeffRam02[0:5]; reg [17:0]CoeffRam03[0:5]; reg [17:0]CoeffRam04[0:5]; reg [17:0]CoeffRam05[0:5]; reg…
KharoBangdo
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Motorola 68k Memory System: Ram vs Rom

I have to fill in the blanks for a 2 4mb RAM chip and 2 64kb ROM chip. I don't understand how to do it. Any type of input on it would help. | Starting Address (Binary) | Starting Add. (Hex)| Ending Add. (Hex)| 4mb RAM1 | 0000 0000 …
GiBiT
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Port android 4.2

I have a Samsung Galaxy S2 HD LTE (Model: SHV-E120S). Now there are very few ROMS out there for this device. I was wondering if I could port Android 4.2 JB for my device....and I wanted to know how to get a start with this thing... I have older…
Shrewdroid
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