AMarchini

Really, in its most simple form , the BIOS can be nothing more than the code to initialize the chipset, turn on RAM and find some device to load in an OS loader from. All BIOS from the original PC on were written in Assembler, all new BIOS are now …

[URL="http://geezer.osdevbrasil.net/osd/code/"]http://geezer.osdevbrasil.net/osd/code/[/URL] Download osd.zip and start reading.

The simple answer is that you need to pass in the lengths of each array as well a the pointer to the arrays. You can in some cases encode an "END" into the array , for example you could place a zero at the end of the string and then …

[QUOTE=amrani.ah;182942] I would like to create a simple operating system for the x86 platform that will boot up the machine, check to see if a cd is in the cd-rom drive, if so, execute the code (mostlikely in C) from the CD, if not, execute some default code (again, mostlikely …