interrupt

Documentation

Index

• Constants
• type IRQ
  • func NewIRQ() *IRQ
  • func (i *IRQ) Disable()
  • func (i *IRQ) Enable()
  • func (i *IRQ) Enabled() bool
  • func (i *IRQ) Has() bool
  • func (i *IRQ) InterruptAddr() types.Addr
  • func (i *IRQ) Read(addr types.Addr) byte
  • func (i *IRQ) Request(v byte)
  • func (i *IRQ) Write(addr types.Addr, v byte)

Constants

const (
	IFAddr = 0x0F
	IEAddr = 0xFF
)

offset is FF00

const (
	VBlankAddr   types.Addr = 0x0040
	LCD_STATAddr types.Addr = 0x0048
	TimerAddr    types.Addr = 0x0050
	SerialAddr   types.Addr = 0x0058
	JoypadAddr   types.Addr = 0x0060
)

@see https://gbdev.io/pandocs/Interrupts.html#ffff---ie---interrupt-enable-rw

const (
	VBlankFlag   byte = 0x01
	LCD_STATFlag byte = 0x02
	TimerFlag    byte = 0x04
	SerialFlag   byte = 0x08
	JoypadFlag   byte = 0x10
)

Types

type IRQ

type IRQ struct {
	IF  byte
	IE  byte
	IME bool
}

func NewIRQ

func NewIRQ() *IRQ

func (*IRQ) Disable

func (i *IRQ) Disable()

func (*IRQ) Enable

func (i *IRQ) Enable()

func (*IRQ) Enabled

func (i *IRQ) Enabled() bool

func (*IRQ) Has

func (i *IRQ) Has() bool

if any irq is enable

func (*IRQ) InterruptAddr

func (i *IRQ) InterruptAddr() types.Addr

@see https://gbdev.io/pandocs/Interrupts.html#interrupt-priorities

func (*IRQ) Read

func (i *IRQ) Read(addr types.Addr) byte

func (*IRQ) Request

func (i *IRQ) Request(v byte)

func (*IRQ) Write

func (i *IRQ) Write(addr types.Addr, v byte)