Deep Dive w/Scott: GameBoy cart hacking

Join Scott as he hacks on the CircuitPython powered gameboy cart. He'll also answer any questions folks have. Visit the Adafruit shop online - http://www.adafruit.com Thanks to dcd for timecodes: 0:00 Getting started 1:57 hello and welcome to Deep Dive 2:40 Circuit Python (CP) from Adafruit makes it easy to program microcomputers 3:16 This week - working on GameBoy (GP) custom cart to use CP 5:08 GB cart features 7:27 Power up GB showing Nintendo 9:43 switch to Konsole and CP REPL - showing "Adafruit" 10:34 the "Adafruit" logo trick explained 11:47 continue Gameboy cart hacking 12:33 rp2350 gameboy cartridge firmware - croco cartridge V2 (github ) 13:43 emulate RAM without CPU (using PIO) https://github.com/shilga/rp2350-gameboy-cartridge-firmware 15:57 game boy memory access sequence ( https://iceboy.a-singer.de/doc/mem_patterns.html ) 18:30 CP _gbio PIO code ( https://github.com/tannewt/circuitpython/blob/pygb2350/ports/raspberrypi/common-hal/_gbio/__init__.c ) 21:30 rp2040 and rp2350 PIO datasheets and PIO overview 26:30 CRC 'trick' to transform address from GB to RAM ( summation ) 37:53 check out mermain.live to visualize the generated block diagram using mermaid-cli 44:00 back to the PIO code 47:46 LLM discussion - DeepSeek 4 / DwarfStar 51:17 CP with latest PICO_SDK ? 55:10 USB vs. Serial Logging 56:20 PIO debug trace shows all the bits... 1:02:10 RP2 I/O input/output driving discussion 1:05:10 CP docs on circuitpython.org 1:06:30 gbdev.io and vsync 1:07:04 plan on next week with scott, and visit the discord ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------