Building an OS - 4 - Writing bootloader in C

We set everything up to continue our bootloader in C. We also learn about a lot of interesting stuff, the linking process, calling conventions, how to call C code from Assembly, how to call Assembly code from C, memory models and many others.

Patreon:   / nanobyte  
Discord channel:   / discord  
Source code: https://github.com/nanobyte-dev/nanob...

Tools:
Open Watcom 2: https://github.com/open-watcom/open-w...
Digital Mars: https://digitalmars.com/download/free...

Documentation:
OpenWatcom manuals (in installation directory)
Calling conventions: https://en.wikipedia.org/wiki/X86_cal...
Ralf Brown's Interrupt List: http://www.ctyme.com/rbrown.htm
INT10h, AX=0Eh: http://www.ctyme.com/intr/rb-0106.htm