cpu

Documentation

Overview

Package cpu implements structs and functions for representing and operating the virtual CPU.

Index

• type CPU
  • func NewCPU(m *mem.RAM, v *vga.VGA) *CPU
  • func (c *CPU) Op(packedOpcode uint16, unpackedOperands []uint16)
  • func (c *CPU) Run(address uint16)

Types

type CPU

type CPU struct {
	// Mem is the main memory device used by the CPU.
	Mem *mem.RAM
	// VGA is the main video device used by the CPU.
	VGA *vga.VGA
	// Regs maps numbers to regsiter values.
	Regs map[uint16]uint16
}

CPU is a basic implementation of a CPU.

func NewCPU

func NewCPU(m *mem.RAM, v *vga.VGA) *CPU

NewCPU returns a pointer to a newly initialized CPU.

func (*CPU) Op

func (c *CPU) Op(packedOpcode uint16, unpackedOperands []uint16)

Op executes an opcode with the given operands.

func (*CPU) Run

func (c *CPU) Run(address uint16)

Run starts execution at the given memory address.