bus

Documentation

Index

• type Bus
  • func NewBus(cpu *mg6502.MG6502) (bus *Bus)
  • func (bus *Bus) Clock()
  • func (bus *Bus) CpuRead(addr uint16, readonly bool) (data uint8)
  • func (bus *Bus) CpuWrite(addr uint16, data uint8)
  • func (bus *Bus) InsertCartridge(cart *cartridge.Cartridge)
  • func (bus *Bus) Reset()

Types

type Bus

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

Bus transmit data between cpu and other components in the NES console

func NewBus

func NewBus(cpu *mg6502.MG6502) (bus *Bus)

NewBus create and return a new bus reference

func (*Bus) Clock

func (bus *Bus) Clock()

Clock ticks the whole system

func (*Bus) CpuRead

func (bus *Bus) CpuRead(addr uint16, readonly bool) (data uint8)

CpuRead data from the bus

func (*Bus) CpuWrite

func (bus *Bus) CpuWrite(addr uint16, data uint8)

CpuWrite writes data to the bus

func (*Bus) InsertCartridge

func (bus *Bus) InsertCartridge(cart *cartridge.Cartridge)

InsertCartridge attach a cartridge to the bus

func (*Bus) Reset

func (bus *Bus) Reset()

Reset sends a reset signal to all components attached to this bus