Skip to content

Instantly share code, notes, and snippets.

@mxashlynn

mxashlynn/GB Studio Numbers Cheat Sheet.md

Last active March 1, 2024 04:06
Show Gist options
  • Save mxashlynn/6e7d09987c2255a8cb351309b8b9103a to your computer and use it in GitHub Desktop.
Save mxashlynn/6e7d09987c2255a8cb351309b8b9103a to your computer and use it in GitHub Desktop.
Download ZIP
Raw
GB Studio Numbers Cheat Sheet.md

GB Studio Numbers Cheat Sheet

Certain values relevant to GB Studio development! Information compiled by 2BitCrook.

Backgrounds

  • 8x8 = The size of a background tile.
  • 8x16 = The size of a sprite tile.
  • 16x16 = Two sprite tiles, a metasprite.
  • 72x64 = Six sprite tiles combined, the largest connected metasprite one can create.

Maxima & Minima

  • 3 = Colours can be used for sprites (excluding 1 transparent color).
  • 4 = Colours can be used for backgrounds and UI.
  • 5 = Unique projectiles per scene.
  • 10 = Sprite tiles can be loaded in one row (scanline) before dropping out.
  • 10 = Active actors can be on screen at once.
  • 16 = GBC Palettes total, 8 for background and 8 for sprites. Each palette can hold 4 colours.
  • 20 = Active actors over a larger scene.
  • 38 = Maximum amount of 8x16 sprite tiles on screen at once (excluding 2 reserved for Emote).
  • 52 = Maximum amount of text characters for DMG (original Gameboy) before getting overwritten.
  • 96 = Max amount of sprite tiles in a scene total.
  • 116 = Maximum amount of text characters for GBC before getting overwritten.
  • 512 = Total variables, global and local.
  • 32767 = Max variable value.
  • -32768 = Min variable value.

Tile Counts

  • 128 = Max Background Tiles in a scene to be able to have 96 sprite tiles available.
  • 192 = Max Background Tiles in a scene and still be able to use dialog/text. 64 sprite tiles available.
  • 256 = Max Background Tiles in a scene that isn't logo mode. 64 sprite tiles available.
  • 360 = Amount of tiles that make up a 160x144 resolution. All tiles can be unique in logo mode. 12 sprite tiles available.

Pixel Counts

  • 160 x 144 = The base resolution for the Gameboy and smallest size for a scene.
  • 512 x 2040 = Maximum size for a scene height wise.
  • 1016x1024 = Maximum size for a scene equalish size.
  • 2040 x 512 = Maximum size for a scene length wise.

Colour Codes

  • #071821 - Darkest tone for sprites and backgrounds
  • #306850 - Mid dark tone for backgrounds only.
  • #86c06c - Mid light tone for sprites and backgrounds.
  • #e0f8cf - Lightest tone for sprites and backgrounds
  • #65ff00 - Transparency for sprites.
  • #ff00ff - Transparency for variable width font glyphs.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment