emulator

package

v0.0.0-...-71b1262 Latest Latest Go to latest Published: Dec 28, 2023 License: MIT Imports: 5 Imported by: 0

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Repository

github.com/usysrc/chip8

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
type CPU
- func NewCPU() *CPU
- func (cpu *CPU) ExecuteCycle(memory *Memory, display *Display) error
type Display
type Emulator
- func NewEmulator() *Emulator
type Memory

Constants ¶

View Source

const (
	DotSize       = int32(8)
	DisplayWidth  = 64
	DisplayHeight = 32
)

View Source

const (
	MemorySize   = 4096
	ProgramStart = 0x200
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type CPU ¶

type CPU struct {
	// contains filtered or unexported fields
}

CPU represents the CHIP-8 CPU.

func NewCPU ¶

func NewCPU() *CPU

NewCPU creates and initializes a new CHIP-8 CPU.

func (*CPU) ExecuteCycle ¶

func (cpu *CPU) ExecuteCycle(memory *Memory, display *Display) error

ExecuteCycle executes a single cycle of the CHIP-8 CPU.

type Display ¶

type Display struct {
	// contains filtered or unexported fields
}

func (*Display) Clear ¶

func (d *Display) Clear()

func (*Display) Close ¶

func (d *Display) Close()

func (*Display) Draw ¶

func (d *Display) Draw() error

func (*Display) Get ¶

func (d *Display) Get(x, y uint16) (bool, error)

func (*Display) Init ¶

func (d *Display) Init() error

func (*Display) Set ¶

func (d *Display) Set(x, y uint16, value bool) error

type Emulator ¶

type Emulator struct {
	Memory  *Memory
	Display *Display
	CPU     *CPU
}

func NewEmulator ¶

func NewEmulator() *Emulator

func (*Emulator) Cleanup ¶

func (e *Emulator) Cleanup()

func (*Emulator) Init ¶

func (e *Emulator) Init() error

func (*Emulator) LoadROM ¶

func (e *Emulator) LoadROM() error

func (*Emulator) Run ¶

func (e *Emulator) Run() error

type Memory ¶

type Memory struct {
	// contains filtered or unexported fields
}

func (*Memory) Load ¶

func (m *Memory) Load(data []byte) error

load a segment to memory

func (*Memory) Opcode ¶

func (m *Memory) Opcode(address uint16) (uint16, error)

fetch an opcode from memory

func (*Memory) Read ¶

func (m *Memory) Read(address uint16) (byte, error)

read a byte from memory

func (*Memory) Write ¶

func (m *Memory) Write(address uint16, value byte) error

write a byte to memory

Source Files ¶

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