29 lines
549 B
Nim
29 lines
549 B
Nim
type
|
|
VGA_Colour {.pure.} = enum
|
|
black = 0,
|
|
blue = 1,
|
|
green = 2,
|
|
cyan = 3,
|
|
red = 4,
|
|
magenta = 5,
|
|
brown = 6,
|
|
lightGrey = 7,
|
|
darkGrey = 8,
|
|
lightBlue = 9,
|
|
lightGreen = 10,
|
|
lightCyan = 11,
|
|
lightRed = 12,
|
|
lightMagenta = 13,
|
|
lightBrown = 14,
|
|
white = 15
|
|
|
|
proc vga_entry_colour(fg: VGA_Colour, bg: VGA_Colour): uint8 =
|
|
result = uint8(ord(fg) or (ord(bg) shl 4))
|
|
|
|
proc vga_entry(c: char, colour: uint8): uint16 =
|
|
result = uint8(c) or (colour shl 8)
|
|
|
|
const
|
|
vgaWidth = 80
|
|
vgaHeight = 25
|