processor

Documentation

Index

• Variables
• type Debug
• type InterruptController
• type InterruptHandler
• type Processor
• type Registers
  • func (r *Registers) AH() byte
  • func (r *Registers) AL() byte
  • func (r *Registers) BH() byte
  • func (r *Registers) BL() byte
  • func (r *Registers) CH() byte
  • func (r *Registers) CL() byte
  • func (r *Registers) DH() byte
  • func (r *Registers) DL() byte
  • func (r *Registers) SetAH(v byte)
  • func (r *Registers) SetAL(v byte)
  • func (r *Registers) SetBH(v byte)
  • func (r *Registers) SetBL(v byte)
  • func (r *Registers) SetCH(v byte)
  • func (r *Registers) SetCL(v byte)
  • func (r *Registers) SetDH(v byte)
  • func (r *Registers) SetDL(v byte)
• type Stats

Variables

var ErrCPUHalt = errors.New("CPU HALT")

var ErrInterruptNotHandled = errors.New("interrupt not handled")

Types

type Debug

type Debug interface {
	Break()
	GetStats() Stats
	InstallInterruptHandler(handler InterruptHandler, num ...int) error
}

type InterruptController

type InterruptController interface {
	GetInterrupt() (int, error)
	IRQ(n int)
}

type InterruptHandler

type InterruptHandler interface {
	HandleInterrupt(n int) error
}

type Processor

type Processor interface {
	Debug

	InByte(port uint16) byte
	OutByte(port uint16, data byte)
	InWord(port uint16) uint16
	OutWord(port uint16, data uint16)

	ReadByte(addr memory.Pointer) byte
	WriteByte(addr memory.Pointer, data byte)
	ReadWord(addr memory.Pointer) uint16
	WriteWord(addr memory.Pointer, data uint16)

	GetRegisters() *Registers
	GetInterruptController() InterruptController
	GetMappedMemoryDevice(addr memory.Pointer) memory.Memory
	GetMappedIODevice(port uint16) memory.IO

	InstallMemoryDevice(device memory.Memory, from, to memory.Pointer) error
	InstallMemoryDeviceAt(device memory.Memory, addr ...memory.Pointer) error
	InstallIODevice(device memory.IO, from, to uint16) error
	InstallIODeviceAt(device memory.IO, port ...uint16) error
}

type Registers

type Registers struct {
	AX, CX, DX, BX,
	SP, BP, SI, DI,
	ES, CS, SS, DS, IP uint16

	CF, PF, AF, ZF,
	SF, TF, IF, DF, OF bool

	Debug bool
}

func (*Registers) AH

func (r *Registers) AH() byte

func (*Registers) AL

func (r *Registers) AL() byte

func (*Registers) BH

func (r *Registers) BH() byte

func (*Registers) BL

func (r *Registers) BL() byte

func (*Registers) CH

func (r *Registers) CH() byte

func (*Registers) CL

func (r *Registers) CL() byte

func (*Registers) DH

func (r *Registers) DH() byte

func (*Registers) DL

func (r *Registers) DL() byte

func (*Registers) SetAH

func (r *Registers) SetAH(v byte)

func (*Registers) SetAL

func (r *Registers) SetAL(v byte)

func (*Registers) SetBH

func (r *Registers) SetBH(v byte)

func (*Registers) SetBL

func (r *Registers) SetBL(v byte)

func (*Registers) SetCH

func (r *Registers) SetCH(v byte)

func (*Registers) SetCL

func (r *Registers) SetCL(v byte)

func (*Registers) SetDH

func (r *Registers) SetDH(v byte)

func (*Registers) SetDL

func (r *Registers) SetDL(v byte)

type Stats

type Stats struct {
	NumInterrupts   uint32
	NumInstructions uint64
	RX, TX          uint64
	NOP             uint64
}