cpu

package

v0.0.0-...-9ddd1ca Latest Latest Go to latest Published: Feb 19, 2021 License: MIT Imports: 5 Imported by: 0

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func GetOpcodeName(c *CPU) string

GetOpcodeName returns a string with the opcode name and immediate values

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

CPU is the main struct holding Z80 state

func New(memory *memory.MMU) *CPU

New returns an initialized CPU instance

func (c *CPU) Tick() int

Tick emulates a single step during the main loop for the cpu. Returns the amount of cycles that execution has taken.

type Flag uint8

Flag is one of the 4 possible flags used in the flag register (high part of AF)

type Opcode func(*CPU) int

Opcode represents a function that executes an opcode

func Decode(c *CPU) Opcode

Decode retrieves the instruction identified by the value pointed at by the PC.