1 // license:BSD-3-Clause
2 // copyright-holders:Miodrag Milanovic, AJR
3 /*****************************************************************************
4  *
5  * includes/pk8020.h
6  *
7  ****************************************************************************/
8 #ifndef MAME_INCLUDES_PK8020_H
9 #define MAME_INCLUDES_PK8020_H
10 
11 #pragma once
12 
13 #include "bus/centronics/ctronics.h"
14 #include "imagedev/cassette.h"
15 #include "imagedev/floppy.h"
16 #include "machine/bankdev.h"
17 #include "machine/i8251.h"
18 #include "machine/pic8259.h"
19 #include "machine/pla.h"
20 #include "machine/ram.h"
21 #include "machine/wd_fdc.h"
22 #include "sound/spkrdev.h"
23 #include "emupal.h"
24 
25 
26 class pk8020_state : public driver_device
27 {
28 public:
pk8020_state(const machine_config & mconfig,device_type type,const char * tag)29 	pk8020_state(const machine_config &mconfig, device_type type, const char *tag)
30 		: driver_device(mconfig, type, tag)
31 		, m_maincpu(*this, "maincpu")
32 		, m_decplm(*this, "decplm")
33 		, m_devbank(*this, "devbank")
34 		, m_ram(*this, RAM_TAG)
35 		, m_ios(*this, "ios%u", 1U)
36 		, m_fdc(*this, "fdc")
37 		, m_floppy(*this, "fdc:%u", 0U)
38 		, m_cass(*this, "cassette")
39 		, m_inr(*this, "inr")
40 		, m_speaker(*this, "speaker")
41 		, m_printer(*this, "printer")
42 		, m_region_maincpu(*this, "maincpu")
43 		, m_region_gfx1(*this, "gfx1")
44 		, m_io_port(*this, "LINE%u", 0U)
45 		, m_palette(*this, "palette")
46 	{ }
47 
48 	void pk8020(machine_config &config);
49 
50 protected:
51 	virtual void machine_start() override;
52 	virtual void machine_reset() override;
53 	virtual void video_start() override;
54 
55 private:
56 	DECLARE_FLOPPY_FORMATS(floppy_formats);
57 
58 	uint8_t keyboard_r(offs_t offset);
59 	void sysreg_w(offs_t offset, uint8_t data);
60 	void color_w(uint8_t data);
61 	void palette_w(uint8_t data);
62 	void video_page_w(uint8_t data);
63 	uint8_t text_r(offs_t offset);
64 	void text_w(offs_t offset, uint8_t data);
65 	uint8_t gzu_r(offs_t offset);
66 	void gzu_w(offs_t offset, uint8_t data);
67 	uint8_t devices_r(offs_t offset);
68 	void devices_w(offs_t offset, uint8_t data);
69 	uint8_t memory_r(offs_t offset);
70 	void memory_w(offs_t offset, uint8_t data);
71 	void pk8020_palette(palette_device &palette) const;
72 	uint32_t screen_update_pk8020(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
73 	INTERRUPT_GEN_MEMBER(pk8020_interrupt);
74 	uint8_t ppi_porta_r();
75 	void floppy_control_w(uint8_t data);
76 	void ppi_2_portc_w(uint8_t data);
77 	DECLARE_WRITE_LINE_MEMBER(pit_out0);
78 
79 	static const char *plm_select_name(uint8_t data);
80 	void log_bank_select(uint8_t bank, offs_t start, offs_t end, uint8_t rdecplm, uint8_t wdecplm);
81 
82 	void pk8020_io(address_map &map);
83 	void pk8020_mem(address_map &map);
84 	void devices_map(address_map &map);
85 
86 	uint8_t m_bank_select;
87 	uint8_t m_color;
88 	uint8_t m_video_page;
89 	uint8_t m_wide;
90 	uint8_t m_font;
91 	uint8_t m_attr;
92 	uint8_t m_text_attr;
93 	uint8_t m_takt;
94 	uint8_t m_video_page_access;
95 	uint8_t m_sound_gate;
96 	uint8_t m_sound_level;
97 
98 	required_device<cpu_device> m_maincpu;
99 	required_device<pls100_device> m_decplm;
100 	required_device<address_map_bank_device> m_devbank;
101 	required_device<ram_device> m_ram;
102 	required_device_array<i8251_device, 2> m_ios;
103 	required_device<kr1818vg93_device> m_fdc;
104 	required_device_array<floppy_connector, 4> m_floppy;
105 	required_device<cassette_image_device> m_cass;
106 	required_device<pic8259_device> m_inr;
107 	required_device<speaker_sound_device> m_speaker;
108 	required_device<centronics_device> m_printer;
109 	required_memory_region m_region_maincpu;
110 	required_region_ptr<uint8_t> m_region_gfx1;
111 	required_ioport_array<16> m_io_port;
112 	required_device<palette_device> m_palette;
113 };
114 
115 #endif // MAME_INCLUDES_PK8020_H
116