blob: 4dc21784d9cdaf236acd8c959f9943cf399af2e8 (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_INCLUDES_BFM_ADR2_H
#define MAME_INCLUDES_BFM_ADR2_H
#pragma once
class bfm_adder2_device : public device_t, public device_gfx_interface
{
public:
// construction/destruction
bfm_adder2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
TILE_GET_INFO_MEMBER( get_tile0_info );
TILE_GET_INFO_MEMBER( get_tile1_info );
DECLARE_READ8_MEMBER( screen_ram_r );
DECLARE_WRITE8_MEMBER( screen_ram_w );
DECLARE_READ8_MEMBER( normal_ram_r );
DECLARE_WRITE8_MEMBER( normal_ram_w );
DECLARE_WRITE8_MEMBER( adder2_rom_page_w );
DECLARE_WRITE8_MEMBER( adder2_c001_w );
DECLARE_WRITE8_MEMBER( adder2_screen_page_w );
DECLARE_READ8_MEMBER( adder2_vbl_ctrl_r );
DECLARE_WRITE8_MEMBER( adder2_vbl_ctrl_w );
DECLARE_READ8_MEMBER( adder2_uart_ctrl_r );
DECLARE_WRITE8_MEMBER( adder2_uart_ctrl_w );
DECLARE_READ8_MEMBER( adder2_uart_rx_r );
DECLARE_WRITE8_MEMBER( adder2_uart_tx_w );
DECLARE_READ8_MEMBER( adder2_irq_r );
DECLARE_WRITE8_MEMBER(vid_uart_tx_w);
DECLARE_WRITE8_MEMBER(vid_uart_ctrl_w);
DECLARE_READ8_MEMBER(vid_uart_rx_r);
DECLARE_READ8_MEMBER(vid_uart_ctrl_r);
void adder2_decode_char_roms();
void adder2_memmap(address_map &map);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
int m_screen_page_reg; // access/display select
int m_c101;
int m_rx;
bool m_vbl_triggered; // flag, VBL IRQ triggered
bool m_acia_triggered; // flag, ACIA receive IRQ
uint8_t m_adder_ram[0xE80]; // normal RAM
uint8_t m_screen_ram[2][0x1180]; // paged display RAM
tilemap_t *m_tilemap0; // tilemap screen0
tilemap_t *m_tilemap1; // tilemap screen1
bool m_data_from_sc2;
bool m_data_to_sc2;
uint8_t m_adder2_data;
uint8_t m_sc2data;
optional_device<cpu_device> m_cpu;
uint32_t update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(adder2_vbl_w);
};
// device type definition
DECLARE_DEVICE_TYPE(BFM_ADDER2, bfm_adder2_device)
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_BFM_ADDER2_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, BFM_ADDER2, 0)
#endif // MAME_INCLUDES_BFM_ADR2_H
|