Welcome to NCoT Docs’s documentation!

This is where I keep documentation for code that I’ve written, algorithms and also more detailed explanations for my YouTube Channel.

Contents:

• NCoT Site
• ZX Spectrum Next Programming Documentation
  • ZX Spectrum Next Layer 2 Graphics
  • ZX Spectrum Memory Banking
    • Layer 2 Bank Switching
  • ZX Spectrum Next Sprites
    • Overview
    • Sprite Patterns
    • Sprite Attributes
    • Sprite API
      • Loading Sprites
        • Editing sprites to make a sprite sheet
        • Convert the sprite sheet to raw data
        • Load the sprite sheet into the Next
        • Setting up the Sprite System
      • Drawing Sprites
        • Setting up the Next registers
        • Sprite Attributes
        • Sample Code
        • Summary of how to set up sprites
      • Rotating Sprites
      • Scaling Sprites
      • Bigger sprites
        • Terminology
        • Composite Sprites
        • Unified Sprites
      • Managing Multiple Sprites
  • ZX Spectrum Next Input
    • Standard joysticks
      • Warning
      • Reading the Joystick
      • Peripheral 1 Register
    • The Keyboard
    • Input Debounce
      • Key Pressed Once
      • Key Held Down
      • Key Released
  • ZX Spectrum Next Copper
    • Overview
    • Drawing in the screen border
    • Parallax Scrolling
      • Initialising the Copper
      • Updating the Copper while it is running
        • Uploading each frame
      • Change specific lines of the copper list every frame
      • Drawing bars in the border
      • Parallax Scrolling
• Computing Maths
  • Fixed Point Arithmetic
    • It’s like money
    • The basic concept
      • Floating Point Numbers Overview
      • Binary Overview
      • Fixed Point Place Values
      • Converting floats to fixed point
      • Converting integers to fixed point
      • Practical Use 1 - Incrementing values by amounts less than one
      • Practical Example 2 - Doing trigonometry
        • Python to generate sine table
        • C code to use sine table

Indices and tables

• Index

• Search Page