https://gbdev.io/pandocs/

 1. Foreword
 2. Acknowledgements
 3. History
 4.
 5.
 6. Overview
 7. 1. Specifications
 8. 2. Memory Map
 9.
10. I/O Ports
11. 3. Summary
12. 4. Graphics
    
13.
     1. 4.1. Tile Data
     2. 4.2. Tile Maps
     3. 4.3. OAM
        
     4.
         1. 4.3.1. OAM DMA Transfer
     5. 4.4. LCD Control
     6. 4.5. LCD Status Registers
     7. 4.6. Scrolling
     8. 4.7. Palettes
     9. 4.8. Rendering
        
    10.
         1. 4.8.1. Pixel FIFO
14. 5. Audio
    
15.
     1. 5.1. Audio Registers
     2. 5.2. Audio Details
16. 6. Joypad Input
17. 7. Serial Data Transfer
18. 8. Timer and Divider Registers
    
19.
     1. 8.1. Timer Obscure Behaviour
20. 9. Interrupts
    
21.
     1. 9.1. Interrupt Sources
     2. 9.2. HALT
22. 10. CGB Registers
23. 11. Infrared Communication
24. 12. SGB Functions
    
25.
     1. 12.1. Unlocking and Detecting SGB Functions
     2. 12.2. Command Packet Transfers
     3. 12.3. VRAM Transfers
     4. 12.4. Color Palettes Overview
     5. 12.5. Command Summary
        
     6.
         1. 12.5.1. Palette Commands
         2. 12.5.2. Color Attribute Commands
         3. 12.5.3. Sound Functions
         4. 12.5.4. System Control Commands
         5. 12.5.5. Multiplayer Command
         6. 12.5.6. Border and OBJ Commands
         7. 12.5.7. Undocumented SGB commands
26.
27. CPU Specifications
28. 13. CPU Registers and Flags
29. 14. CPU Instruction Set
30. 15. CPU Comparison with Z80
31.
32. Cartridges
33. 16. The Cartridge Header
34. 17. MBCs
    
35.
     1. 17.1. No MBC
     2. 17.2. MBC1
     3. 17.3. MBC2
     4. 17.4. MBC3
     5. 17.5. MBC5
     6. 17.6. MBC6
     7. 17.7. MBC7
     8. 17.8. MMM01
     9. 17.9. M161
    10. 17.10. HuC1
    11. 17.11. HuC-3
    12. 17.12. Other MBCs
36.
37. Accessories
38. 18. Game Boy Printer
39. 19. Game Boy Camera
40. 20. 4-Player Adapter
41. 21. Game Genie/Shark Cheats
42.
43. Other
44. 22. Power-Up Sequence
45. 23. Reducing Power Consumption
46. 24. Accessing VRAM and OAM
47. 25. OAM Corruption Bug
48. 26. External Connectors
49. 27. GBC Approval Process
50.
51. References

  * Light
  * Rust
  * Coal
  * Navy
  * Ayu

Pan Docs

   
[                    ]

Foreword

This document, started in early 1995, is considered the single most
comprehensive technical reference to Game Boy available to the
public.

You are reading a new version of it, maintained in the Markdown
format and enjoying renewed community attention, correcting and
updating it with recent findings. To learn more about the legacy and
the mission of this initiative, check History.

SCOPE

The information here is targeted at homebrew development. Emulator
developers may be also interested in the Game Boy: Complete Technical
Reference document.

Contributing

This project is open source, released under the CC0 license. Everyone
is welcome to help, provide feedback and propose additions or
improvements. The git repository is hosted at github.com/gbdev/
pandocs, where you can learn more about how you can contribute, find
detailed contribution guidelines and procedures, file Issues and send
Pull Requests.

There is a Discord chat dedicated to the gbdev community.

Finally, you can also contact us and send patches via email: pandocs
(at) gbdev.io.

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This document version was produced from git commit 8eb65d5
(2023-10-27 11:22:19 +0200).