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
|
// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/***************************************************************************
SED1520 LCD controller
***************************************************************************/
#ifndef MAME_VIDEO_SED1520_H
#define MAME_VIDEO_SED1520_H
#pragma once
#define SED1520CB_UPDATE(cls, fnc) sed1520_device::screen_update_delegate((&cls::fnc), (#cls "::" #fnc), DEVICE_SELF, ((cls *)nullptr))
#define SED1520CB_DEVUPDATE(tag, cls, fnc) sed1520_device::screen_update_delegate((&cls::fnc), (#cls "::" #fnc), (tag), ((cls *)nullptr))
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
#define SED1520_UPDATE_CB(name) uint32_t name(bitmap_ind16 &bitmap, const rectangle &cliprect, uint8_t *vram, int start_line, int adc)
// ======================> sed1520_device
class sed1520_device : public device_t
{
public:
typedef device_delegate<uint32_t (bitmap_ind16 &bitmap, const rectangle &cliprect, uint8_t *vram, int start_line, int adc)> screen_update_delegate;
// construction/destruction
sed1520_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// sconfiguration helpers
template <typename... T> void set_screen_update_cb(T &&... args) { m_screen_update_cb.set(std::forward<T>(args)...); }
// device interface
virtual void write(offs_t offset, uint8_t data);
virtual uint8_t read(offs_t offset);
virtual void control_write(uint8_t data);
virtual uint8_t status_read();
virtual void data_write(uint8_t data);
virtual uint8_t data_read();
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// internal state
uint8_t m_lcd_on;
uint8_t m_busy;
uint8_t m_page;
uint8_t m_column;
uint8_t m_old_column;
uint8_t m_start_line;
uint8_t m_adc;
uint8_t m_static_drive;
bool m_modify_write;
screen_update_delegate m_screen_update_cb;
uint8_t m_vram[0x140];
};
// device type definition
DECLARE_DEVICE_TYPE(SED1520, sed1520_device)
#endif // MAME_VIDEO_SED1520_H
|