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.


Discord channel: https://discord.gg/RgHc5XrCEw


Source code: https://github.com/chibicitiberiu/nanobyte_os/releases/tag/Part4


Tools:
- Open Watcom 2: https://github.com/open-watcom/open-watcom-v2
- Digital Mars: https://digitalmars.com/download/freecompiler.html


Documentation:
- OpenWatcom manuals (in installation directory)
- Calling conventions: https://en.wikipedia.org/wiki/X86_calling_conventions
- Ralf Brown's Interrupt List: http://www.ctyme.com/rbrown.htm
- INT10h, AX=0Eh: http://www.ctyme.com/intr/rb-0106.htm