Module cga

Access to the screen in text-mode (CGA)

Structs

• Attribute
  Defines the style a cga character including its background and foreground colors.
• Cell
  Representation of a cga screen cell, that consists of a character and its styling.
• Rect
  Defines the rect of a Screen. The maximum cga boundaries are (0, 0, 80, 25).
• Window
  The screen represents the cga screen or a part of it.

Enums

• Color
  Display Color for the foreground and background of a vga cell

Constants

• BOUNDS
  The maximum screen size
• BUFFER 🔒
  Address of the memory mapped text buffer
• COLUMNS 🔒
  Visible rows in text mode
• DATA 🔒
  Read/Write selected register
• INDEX 🔒
  Graphics card register selection
• ROWS 🔒
  Visible columns in text mode