1 // license:BSD-3-Clause
2 // copyright-holders:Curt Coder
3 #ifndef MAME_INCLUDES_CIDELSA_H
4 #define MAME_INCLUDES_CIDELSA_H
5 
6 #pragma once
7 
8 
9 #include "cpu/cosmac/cosmac.h"
10 #include "cpu/cop400/cop400.h"
11 #include "sound/cdp1869.h"
12 #include "sound/ay8910.h"
13 #include "machine/cdp1852.h"
14 #include "machine/nvram.h"
15 
16 
17 #define SCREEN_TAG  "screen"
18 #define CDP1802_TAG "cdp1802"
19 #define CDP1869_TAG "cdp1869"
20 #define COP402N_TAG "cop402n"
21 #define AY8910_TAG  "ay8910"
22 
23 #define DESTRYER_CHR1   3579000.0 // unverified
24 #define DESTRYER_CHR2   XTAL(5'714'300)
25 #define ALTAIR_CHR1     3579000.0 // unverified
26 #define ALTAIR_CHR2     cdp1869_device::DOT_CLK_PAL // unverified
27 #define DRACO_CHR1      XTAL(4'433'610)
28 #define DRACO_CHR2      cdp1869_device::DOT_CLK_PAL // unverified
29 #define DRACO_SND_CHR1  XTAL(2'012'160)
30 
31 #define CIDELSA_PAGERAM_SIZE    0x400
32 #define DRACO_PAGERAM_SIZE      0x800
33 #define CIDELSA_CHARRAM_SIZE    0x800
34 
35 #define CIDELSA_PAGERAM_MASK    0x3ff
36 #define DRACO_PAGERAM_MASK      0x7ff
37 #define CIDELSA_CHARRAM_MASK    0x7ff
38 
39 
40 class cidelsa_state : public driver_device
41 {
42 public:
43 	enum
44 	{
45 		TIMER_SET_CPU_MODE
46 	};
47 
cidelsa_state(const machine_config & mconfig,device_type type,const char * tag)48 	cidelsa_state(const machine_config &mconfig, device_type type, const char *tag)
49 		: driver_device(mconfig, type, tag)
50 		, m_maincpu(*this, CDP1802_TAG)
51 		, m_vis(*this, CDP1869_TAG)
52 		, m_leds(*this, "led%u", 0U)
53 	{ }
54 
55 	void cdp1869_w(offs_t offset, uint8_t data);
56 	void destryer_out1_w(uint8_t data);
57 	void altair_out1_w(uint8_t data);
58 
59 	DECLARE_READ_LINE_MEMBER( clear_r );
60 
61 	DECLARE_WRITE_LINE_MEMBER( q_w );
62 	DECLARE_WRITE_LINE_MEMBER( prd_w );
63 	DECLARE_READ_LINE_MEMBER( cdp1869_pcb_r );
64 
65 	CDP1869_CHAR_RAM_READ_MEMBER(cidelsa_charram_r);
66 	CDP1869_CHAR_RAM_WRITE_MEMBER(cidelsa_charram_w);
67 	CDP1869_PCB_READ_MEMBER(cidelsa_pcb_r);
68 
69 	void destryera(machine_config &config);
70 	void altair(machine_config &config);
71 	void destryer(machine_config &config);
72 	void destryer_video(machine_config &config);
73 	void altair_video(machine_config &config);
74 	void altair_io_map(address_map &map);
75 	void altair_map(address_map &map);
76 	void cidelsa_page_ram(address_map &map);
77 	void destryer_io_map(address_map &map);
78 	void destryer_map(address_map &map);
79 	void destryera_map(address_map &map);
80 
81 protected:
82 	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
83 	virtual void machine_start() override;
84 	virtual void machine_reset() override;
85 
86 	virtual void video_start() override;
87 
88 	required_device<cosmac_device> m_maincpu;
89 	required_device<cdp1869_device> m_vis;
90 	output_finder<3> m_leds;
91 
92 	// cpu state
93 	int m_reset;
94 
95 	// video state
96 	int m_cdp1802_q;
97 	int m_cdp1869_pcb;
98 
99 	uint8_t *m_pageram;
100 	std::unique_ptr<uint8_t[]> m_pcbram;
101 	std::unique_ptr<uint8_t[]> m_charram;
102 };
103 
104 class draco_state : public cidelsa_state
105 {
106 public:
draco_state(const machine_config & mconfig,device_type type,const char * tag)107 	draco_state(const machine_config &mconfig, device_type type, const char *tag)
108 		: cidelsa_state(mconfig, type, tag),
109 			m_psg(*this, AY8910_TAG)
110 	{ }
111 
112 	uint8_t sound_in_r();
113 	uint8_t psg_r();
114 	void sound_bankswitch_w(uint8_t data);
115 	void sound_g_w(uint8_t data);
116 	void psg_w(uint8_t data);
117 	void out1_w(uint8_t data);
118 	void psg_pb_w(uint8_t data);
119 
120 	CDP1869_CHAR_RAM_READ_MEMBER(draco_charram_r);
121 	CDP1869_CHAR_RAM_WRITE_MEMBER(draco_charram_w);
122 	CDP1869_PCB_READ_MEMBER(draco_pcb_r);
123 
124 	void draco(machine_config &config);
125 	void draco_video(machine_config &config);
126 	void draco_io_map(address_map &map);
127 	void draco_map(address_map &map);
128 	void draco_page_ram(address_map &map);
129 	void draco_sound_map(address_map &map);
130 
131 protected:
132 	virtual void machine_start() override;
133 
134 	required_device<ay8910_device> m_psg;
135 	// sound state
136 	int m_sound;
137 	int m_psg_latch;
138 };
139 
140 #endif // MAME_INCLUDES_CIDELSA_H
141