From Maxim’s World of Stuff

HowToProgram: Walkthrough Of Hello World

This section will go through every line of code in the "Hello World!" example program that we compiled in the Setting It Up page.

• Assembler directives tell the assembler how to proceed.
• Boot shows the first few instructions.
• Pause Handler is a fixed address that requires special handling.
• Initialisation is where we reset various aspects of the system to a "blank" state.
• Setting up the graphics shows loading of tile data, the palette and tilemap
• Stopping is the final step to maintain control.