Table of contents
|Chapter 01 : Warming up||In this chapter, we get to know Mega Drive’s beating heart – the 68K. We write our first miniature programs in 68K assembly, convert those to a ROM using a custom tool and run them in an emulator.|
|Chapter 02 : The Blue Screen of Birth||In this chapter, we build the shortest imaginable program that actually does something on the Mega Drive: change the background color. We achieve that by writing very specific stuff to very specific memory locations.|
|Chapter 03 : Taking out the trash||This chapter walks us through the ugly business of initializing hardware.
We manage however to ameliorate the ugliness with some preparatory work. We find a decent assembler that allows us to include files, and we write subroutines and macros that automate stuff for us and make the code more structured and presentable.
|Chapter 04: Room for one texture||This time we are going to display some graphics!
We will learn how the VRAM is organized and display a single image loaded from a BMP file. After that we’ll take care of the ROM header which we’ve been postponing for too long. Finally, we’re going to test our code on some more emulators.
Credits go to the following people, in no particular order: