types

Documentation

Index

• Constants
• func CoordinatesToArrayIndex(x int, y int, canvasWidth int) int
• func HighNibble(word Word) byte
• func LinearToXCoordinate(index int, canvasWidth int) int32
• func LinearToYCoordinate(index int, canvasWidth int) int32
• func LowNibble(word Word) byte
• type Address
  • func CreateAddress(low byte, high byte) Address
• type Color
• type Frame
  • func (frame *Frame) PushTile(tile Tile, x int, y int)
  • func (frame *Frame) SetPixel(x int, y int, rgb Color)
• type Pixel
• type Tile
• type Word
  • func CreateWord(low byte, high byte) Word
  • func (word *Word) HighNibble() byte
  • func (word *Word) LowNibble() byte
  • func (word *Word) ToBytes() []byte

Constants

const SCREEN_HEIGHT = 240

const SCREEN_WIDTH = 256

Functions

func CoordinatesToArrayIndex

func CoordinatesToArrayIndex(x int, y int, canvasWidth int) int

func HighNibble

func HighNibble(word Word) byte

func LinearToXCoordinate

func LinearToXCoordinate(index int, canvasWidth int) int32

func LinearToYCoordinate

func LinearToYCoordinate(index int, canvasWidth int) int32

func LowNibble

func LowNibble(word Word) byte

Types

type Address

type Address = Word

Address is an address representation

func CreateAddress

func CreateAddress(low byte, high byte) Address

CreateAddress creates an Address

type Color

type Color struct {
	R byte
	G byte
	B byte
}

type Frame

type Frame struct {
	Pixels [SCREEN_WIDTH * SCREEN_HEIGHT]Color
}

func (*Frame) PushTile

func (frame *Frame) PushTile(tile Tile, x int, y int)

func (*Frame) SetPixel

func (frame *Frame) SetPixel(x int, y int, rgb Color)

type Pixel

type Pixel struct {
	X     int
	Y     int
	Color Color
}

type Tile

type Tile struct {
	Pixels [8 * 8]Color
}

type Word

type Word uint16

Word is an unsigned int 16 bits

func CreateWord

func CreateWord(low byte, high byte) Word

CreateWord creates a Word

func (*Word) HighNibble

func (word *Word) HighNibble() byte

func (*Word) LowNibble

func (word *Word) LowNibble() byte

func (*Word) ToBytes

func (word *Word) ToBytes() []byte