blob: 9e79193e99dd6b98c9d54acaa5377725bd132c79 (
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
|
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2eext80col.h
Apple IIe Extended 80 Column Card
*********************************************************************/
#ifndef MAME_BUS_A2BUS_A2EEXT80COL_H
#define MAME_BUS_A2BUS_A2EEXT80COL_H
#pragma once
#include "a2eauxslot.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2eaux_ext80col_device:
public device_t,
public device_a2eauxslot_card_interface
{
public:
// construction/destruction
a2eaux_ext80col_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
a2eaux_ext80col_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual u8 read_auxram(uint16_t offset) override;
virtual void write_auxram(uint16_t offset, u8 data) override;
virtual u8 *get_vram_ptr() override;
virtual u8 *get_auxbank_ptr() override;
virtual u16 get_auxbank_mask() override;
virtual bool allow_dhr() override { return true; }
private:
u8 m_ram[64*1024];
};
// device type definition
DECLARE_DEVICE_TYPE(A2EAUX_EXT80COL, a2eaux_ext80col_device)
#endif // MAME_BUS_A2BUS_A2EEXT80COL_H
|