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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Atari Crystal Castles hardware
*************************************************************************/
#ifndef MAME_INCLUDES_CCASTLES_H
#define MAME_INCLUDES_CCASTLES_H
#pragma once
#include "cpu/m6502/m6502.h"
#include "machine/74259.h"
#include "machine/x2212.h"
#include "emupal.h"
#include "screen.h"
class ccastles_state : public driver_device
{
public:
ccastles_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_nvram_4b(*this, "nvram_4b"),
m_nvram_4a(*this, "nvram_4a"),
m_outlatch(*this, "outlatch%u", 0U),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{ }
DECLARE_READ_LINE_MEMBER(vblank_r);
void ccastles(machine_config &config);
protected:
void irq_ack_w(uint8_t data);
uint8_t leta_r(offs_t offset);
void nvram_recall_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(nvram_store_w);
uint8_t nvram_r(address_space &space, offs_t offset);
void nvram_w(offs_t offset, uint8_t data);
void ccastles_hscroll_w(uint8_t data);
void ccastles_vscroll_w(uint8_t data);
void ccastles_video_control_w(offs_t offset, uint8_t data);
void ccastles_paletteram_w(offs_t offset, uint8_t data);
void ccastles_videoram_w(offs_t offset, uint8_t data);
uint8_t ccastles_bitmode_r();
void ccastles_bitmode_w(uint8_t data);
void ccastles_bitmode_addr_w(offs_t offset, uint8_t data);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_ccastles(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(clock_irq);
inline void ccastles_write_vram( uint16_t addr, uint8_t data, uint8_t bitmd, uint8_t pixba );
inline void bitmode_autoinc( );
inline void schedule_next_irq( int curscanline );
void main_map(address_map &map);
private:
/* devices */
required_device<m6502_device> m_maincpu;
required_device<x2212_device> m_nvram_4b;
required_device<x2212_device> m_nvram_4a;
required_device_array<ls259_device, 2> m_outlatch;
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_spriteram;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
/* video-related */
const uint8_t *m_syncprom = nullptr;
const uint8_t *m_wpprom = nullptr;
const uint8_t *m_priprom = nullptr;
bitmap_ind16 m_spritebitmap = 0;
double m_rweights[3]{};
double m_gweights[3]{};
double m_bweights[3]{};
uint8_t m_bitmode_addr[2]{};
uint8_t m_hscroll = 0U;
uint8_t m_vscroll = 0U;
/* misc */
int m_vblank_start = 0;
int m_vblank_end = 0;
emu_timer *m_irq_timer = nullptr;
uint8_t m_irq_state = 0U;
};
#endif // MAME_INCLUDES_CCASTLES_H
|