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mapper_ejected.go
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/
mapper_ejected.go
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// This file is part of Gopher2600.
//
// Gopher2600 is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Gopher2600 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
//
// *** NOTE: all historical versions of this file, as found in any
// git repository, are also covered by the licence, even when this
// notice is not present ***
package cartridge
import (
"github.com/jetsetilly/gopher2600/errors"
)
const ejectedName = "ejected"
const ejectedHash = "nohash"
const ejectedMethod = "ejected"
// ejected implements the cartMapper interface.
type ejected struct {
description string
}
func newEjected() *ejected {
cart := &ejected{}
cart.description = ejectedName
cart.Initialise()
return cart
}
func (cart ejected) String() string {
return cart.description
}
// ID implements the cartMapper interface
func (cart ejected) ID() string {
return "-"
}
// Initialise implements the cartMapper interface
func (cart *ejected) Initialise() {
}
// Read implements the cartMapper interface
func (cart *ejected) Read(_ uint16) (uint8, error) {
return 0, errors.New(errors.CartridgeEjected)
}
// Write implements the cartMapper interface
func (cart *ejected) Write(_ uint16, _ uint8, _ bool) error {
return errors.New(errors.CartridgeEjected)
}
// NumBanks implements the cartMapper interface
func (cart ejected) NumBanks() int {
return 0
}
// SetBank implements the cartMapper interface
func (cart *ejected) SetBank(_ uint16, _ int) error {
return errors.New(errors.CartridgeEjected)
}
// GetBank implements the cartMapper interface
func (cart ejected) GetBank(_ uint16) int {
return 0
}
// SaveState implements the cartMapper interface
func (cart *ejected) SaveState() interface{} {
return nil
}
// RestoreState implements the cartMapper interface
func (cart *ejected) RestoreState(_ interface{}) error {
return nil
}
// Patch implements the cartMapper interface
func (cart *ejected) Patch(_ int, _ uint8) error {
return errors.New(errors.CartridgeEjected)
}
// Listen implements the cartMapper interface
func (cart *ejected) Listen(_ uint16, _ uint8) {
}
// Step implements the cartMapper interface
func (cart *ejected) Step() {
}