cpu

Documentation

Overview

Package cpu contains common components for CPU emulators

Index

• type CPU
• type Reg16
• type Reg8
• type Register16
  • func NewRegister16(h, l *Reg8) Register16
  • func (r *Register16) Dec()
  • func (r *Register16) Get() uint16
  • func (r *Register16) GetH() byte
  • func (r *Register16) GetL() byte
  • func (r *Register16) H() *Reg8
  • func (r *Register16) Inc()
  • func (r *Register16) IsZero() bool
  • func (r *Register16) L() *Reg8
  • func (r *Register16) Set(value uint16)
  • func (r *Register16) SetH(value byte)
  • func (r *Register16) SetL(value byte)
  • func (r *Register16) Swap(o *Register16)

Types

type CPU

type CPU interface {
	// Clock gets the CPU Clock
	Clock() device.Clock
	// Init initializes the CPU
	Init()
	// Reset resets the CPU
	Reset()
}

CPU is the central processor unit

type Reg16

type Reg16 = uint16

Reg16 is a 16bit register (uint16 alias)

type Reg8

type Reg8 = uint8

Reg8 is a 8bit register (uint8 alias)

type Register16

type Register16 struct {
	// contains filtered or unexported fields
}

Register16 is a pair of 8bit registers

func NewRegister16

func NewRegister16(h, l *Reg8) Register16

NewRegister16 creates a new Register16

func (*Register16) Dec

func (r *Register16) Dec()

Dec decrements by 1 the 16bit register

func (*Register16) Get

func (r *Register16) Get() uint16

Get the 16bit value of a regpair

func (*Register16) GetH

func (r *Register16) GetH() byte

GetH obtains the upper 8bit value

func (*Register16) GetL

func (r *Register16) GetL() byte

GetL obtains the lower 8bit value

func (*Register16) H

func (r *Register16) H() *Reg8

H obtains the upper 8bit register

func (*Register16) Inc

func (r *Register16) Inc()

Inc increments by 1 the 16bit register

func (*Register16) IsZero

func (r *Register16) IsZero() bool

IsZero register is a 0 value

func (*Register16) L

func (r *Register16) L() *Reg8

L obtains the lower 8bit register

func (*Register16) Set

func (r *Register16) Set(value uint16)

Set the 16bit value of a regpair

func (*Register16) SetH

func (r *Register16) SetH(value byte)

SetH obtains the upper 8bit register

func (*Register16) SetL

func (r *Register16) SetL(value byte)

SetL obtains the lower 8bit register

func (*Register16) Swap

func (r *Register16) Swap(o *Register16)

Swap exchanges the register values