atari2600_ca65_example

atari 2600 ca65 example

Stella Programmer's guide

https://atariage.com/2600/programming/2600_101/docs/stella.html

6502 assembly (sta, ldx, etc.)

This actually explains the inputs and outputs for each opcode:

https://www.dwheeler.com/6502/oneelkruns/6502sum.html

'sta $80, x' adds the $80 with the x register, loads that into the accumulator.

ca65 Users Guide (how to format assembly, create variables):

http://www.cc65.org/doc/ca65.html

Stella Emulator guide:

https://stella-emu.github.io/docs/index.html

Press backtick ` to enter debug mode, annoyingly it toggles so pressing it usually turns the debug mode on and off very rapidly.