assembly - Writing my own BIOS - Stack Overflow
I'm always trying to avoid DOS interrupts, using BIOS ones only, trying to go forward a unity mini OS, but suddenly I decided to write my own BIOS :) The Legend said : I was high-level programmer, then …
Which programming language is used to write a BIOS program?
Sep 30, 2015 · Getting back to BIOS, I think it's also important to consider the economics of the programming language chosen. BIOS is generally written as a necessity to complement hardware …
How do I start BIOS programming? - Stack Overflow
I have done so much research on how to program a BIOS from scratch but I got nothing. Does anyone one have any kind of BIOS tutorial or guide, that would be much appreciated. I have gotten absolut...
cpu - In which language a BIOS is written? - Stack Overflow
Sep 30, 2015 · BIOS (Basic IO System), is like a new born, know only few basic things, in this case input output instructions. These instructions I believe are written directly in machine code for optimum …
assembly - How is BIOS compiled - Stack Overflow
Oct 21, 2013 · The programming tool is usually only needed for initial programming of a blank flash chip (brand new motherboard on the assembly line). Once you have the system booted, you typically re …
assembly - Programming in BIOS - Stack Overflow
Jun 21, 2013 · 4 Traditional PC BIOS vendors go to lengths to keep their assets secret. This makes BIOS level programming exceedingly hard. It's specific to the vendor of the BIOS, the specific build …
What is the final signature in the boot sector? Is it 0xaa55 or 0x55aa?
Sep 26, 2021 · As I was studying the BIOS and booting I found that 0xaa55 is used as a signature to check whether the 512-byte boot sector is corrupted or not. Now In some cases, it is mentioned as …
post - How Does BIOS initialize DRAM? - Stack Overflow
Jul 30, 2020 · as if "BIOS" IS the actual operating system of every computer. - only if you write a toy kernel that only uses BIOS calls, instead of actual drivers for the real hardware the computer really …
How can I run a program without an operating system?
Sep 1, 2025 · How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g., boot the computer …
How is the BIOS used by a modern OS? - Stack Overflow
Mar 29, 2010 · The BIOS is still the first thing that runs on the just-started CPU and responsible for getting the motherboard hardware turned on, setting basic chipset modes and registers, initializing …