summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/vic20/vic1110.h
blob: 07546c913fba9e67ef3e5125feb17c3eb7cd3207 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Commodore VIC-1110 8K RAM Expansion Cartridge emulation

**********************************************************************/

#ifndef MAME_BUS_VIC20_VIC1110_H
#define MAME_BUS_VIC20_VIC1110_H

#pragma once

#include "exp.h"



//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> vic1110_device

class vic1110_device :  public device_t,
						public device_vic20_expansion_card_interface
{
public:
	// construction/destruction
	vic1110_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// optional information overrides
	virtual ioport_constructor device_input_ports() const override ATTR_COLD;

protected:
	// device-level overrides
	virtual void device_start() override ATTR_COLD;

	// device_vic20_expansion_card_interface overrides
	virtual uint8_t vic20_cd_r(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) override;
	virtual void vic20_cd_w(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) override;

private:
	memory_share_creator<uint8_t> m_ram;
	required_ioport m_sw;
};


// device type definition
DECLARE_DEVICE_TYPE(VIC1110, vic1110_device)

#endif // MAME_BUS_VIC20_VIC1110_H