Re: [Freedos-user] Is FreeDOS exactly like MSDOS? Let me explain.

> On Wed, Oct 02, 2024 at 04:51:13PM +0100, Gabriel González via Freedos-user > wrote: ... >Really I'm studying how to develop a Kernel ( I'm reading a book about this >, it is a guide to writing the Kernel code on C and at the same time theory >and explanations ) . This Kernel is a "baby MSDOS"

Re: [Freedos-user] Is FreeDOS exactly like MSDOS? Let me explain.

Take a look at EMBEDPC.ZIP (http://dunfield.classiccmp.org//dos/embedpc.zip). It has some nice things to make getting started easier. MKBOOT can make a floppy bootable and have the bootloader automatically load your COM executable file. MDCFS is FAT12 Filesystem code that does not need a DOS syst

Re: [Freedos-user] Is FreeDOS exactly like MSDOS? Let me explain.

Yes, The benefit with FreeDOS over MS-DOS is that since the source is available, even the undocumented int 21h calls are sort of documented (you can just read the source), see for instance int 21h/AH=52h. I think this is the full list

Re: [Freedos-user] Is FreeDOS exactly like MSDOS? Let me explain.

On Wed, Oct 2, 2024 at 10:52 AM Gabriel González via Freedos-user wrote: [..] > Before this short introduction, I would like to use FreeDOS , not MS > DOS 6.22 , because FreeDOS looks like it is more powerful and we are > a good community. So , the important question for me is : > > I will install

[Freedos-user] Is FreeDOS exactly like MSDOS? Let me explain.

Hi everyone: I'm just suffering a "retro computing nostalgic crisis" :) ( I need to jump outside of my daily job routine ) and I had bought some old books since I was a teeneger ( 2001 ) about DOS Programming , all related to INT 21h calls and DOS Programming. Years ago I made some small things wi