summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/includes/x07.h
blob: 6987ea9d302c55cb14137fffff97c228ecb30157 (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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
/*********************************************************************

    includes/x07.h

*********************************************************************/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/beep.h"
#include "machine/ram.h"
#include "sound/wave.h"
#include "imagedev/cartslot.h"
#include "imagedev/cassette.h"
#include "imagedev/printer.h"
#include "formats/x07_cas.h"
#include "rendlay.h"

//default value for user defined keys, taken for official documentation
static const char *const udk_ini[12] = {
	"tim?TIME$\r",
	"cldCLOAD\"",
	"locLOCATE ",
	"lstLIST ",
	"runRUN\r",
	"",
	"dat?DATE$\r",
	"csvCSAVE\"",
	"prtPRINT ",
	"slpSLEEP",
	"cntCONT\r",
	""
};

static const UINT16 udk_offset[12] =
{
	0x0000, 0x002a, 0x0054, 0x007e, 0x00a8, 0x00d2,
	0x0100, 0x012a, 0x0154, 0x017e, 0x01a8, 0x01d2
};

static const UINT8 printer_charcode[256] =
{
	0xff, 0x7f, 0xbf, 0x3f, 0xdf, 0x5f, 0x9f, 0x1f,
	0xef, 0x6f, 0xaf, 0x2f, 0xcf, 0x4f, 0x8f, 0x0f,
	0xf7, 0x77, 0xb7, 0x37, 0xd7, 0x57, 0x97, 0x17,
	0xe7, 0x67, 0xa7, 0x27, 0xc7, 0x47, 0x87, 0x07,
	0xfb, 0x7b, 0xbb, 0x3b, 0xdb, 0x5b, 0x9b, 0x1b,
	0xeb, 0x6b, 0xab, 0x2b, 0xcb, 0x4b, 0x8b, 0x0b,
	0xf3, 0x73, 0xb3, 0x33, 0xd3, 0x53, 0x93, 0x13,
	0xe3, 0x63, 0xa3, 0x23, 0xc3, 0x43, 0x83, 0x03,
	0xfd, 0x7d, 0xbd, 0x3d, 0xdd, 0x5d, 0x9d, 0x1d,
	0xed, 0x6d, 0xad, 0x2d, 0xcd, 0x4d, 0x8d, 0x0d,
	0xf5, 0x75, 0xb5, 0x35, 0xd5, 0x55, 0x95, 0x15,
	0xe5, 0x65, 0xa5, 0x25, 0xc5, 0x45, 0x85, 0x05,
	0xf9, 0x79, 0xb9, 0x39, 0xd9, 0x59, 0x99, 0x19,
	0xe9, 0x69, 0xa9, 0x29, 0xc9, 0x49, 0x89, 0x09,
	0xf1, 0x71, 0xb1, 0x31, 0xd1, 0x51, 0x91, 0x11,
	0xe1, 0x61, 0xa1, 0x21, 0xc1, 0x41, 0x81, 0x01,
	0xfe, 0x7e, 0xbe, 0x3e, 0xde, 0x5e, 0x9e, 0x1e,
	0xee, 0x6e, 0xae, 0x2e, 0xce, 0x4e, 0x8e, 0x0e,
	0xf6, 0x76, 0xb6, 0x36, 0xd6, 0x56, 0x96, 0x16,
	0xe6, 0x66, 0xa6, 0x26, 0xc6, 0x46, 0x86, 0x06,
	0xfa, 0x7a, 0xba, 0x3a, 0xda, 0x5a, 0x9a, 0x1a,
	0xea, 0x6a, 0xaa, 0x2a, 0xca, 0x4a, 0x8a, 0x0a,
	0xf2, 0x72, 0xb2, 0x32, 0xd2, 0x52, 0x92, 0x12,
	0xe2, 0x62, 0xa2, 0x22, 0xc2, 0x42, 0x82, 0x02,
	0xfc, 0x7c, 0xbc, 0x3c, 0xdc, 0x5c, 0x9c, 0x1c,
	0xec, 0x6c, 0xac, 0x2c, 0xcc, 0x4c, 0x8c, 0x0c,
	0xf4, 0x74, 0xb4, 0x34, 0xd4, 0x54, 0x94, 0x14,
	0xe4, 0x64, 0xa4, 0x24, 0xc4, 0x44, 0x84, 0x04,
	0xf8, 0x78, 0xb8, 0x38, 0xd8, 0x58, 0x98, 0x18,
	0xe8, 0x68, 0xa8, 0x28, 0xc8, 0x48, 0x88, 0x08,
	0xf0, 0x70, 0xb0, 0x30, 0xd0, 0x50, 0x90, 0x10,
	0xe0, 0x60, 0xa0, 0x20, 0xc0, 0x40, 0x80, 0x00
};

static const UINT8 t6834_cmd_len[0x47] =
{
	0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x04, 0x03,
	0x01, 0x02, 0x09, 0x01, 0x09, 0x01, 0x01, 0x02,
	0x03, 0x03, 0x03, 0x03, 0x05, 0x04, 0x82, 0x02,
	0x01, 0x01, 0x0a, 0x02, 0x01, 0x81, 0x81, 0x01,
	0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x03,
	0x02, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01,
	0x01, 0x01, 0x01, 0x01, 0x01, 0x82, 0x01, 0x01,
	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
	0x01, 0x09, 0x01, 0x03, 0x03, 0x01, 0x01
};

struct x07_kb
{
	const char *tag;		//input port tag
	UINT8		mask;		//bit mask
	UINT8		codes[7];	//port codes
};

static const x07_kb x07_keycodes[56] =
{
	{"BZ", 0x01, {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}},
	{"S1", 0x01, {0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12}},
	{"S1", 0x02, {0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16}},
	{"S1", 0x04, {0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}},
	{"S1", 0x08, {0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d}},
	{"S1", 0x10, {0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}},
	{"S1", 0x20, {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f}},
	{"S1", 0x40, {0x20, 0x20, 0x20, 0x00, 0x20, 0x20, 0x20}},
	{"S2", 0x01, {0x5a, 0x7a, 0x1a, 0x00, 0xc2, 0xaf, 0xe1}},
	{"S2", 0x02, {0x58, 0x78, 0x18, 0x00, 0xbb, 0x00, 0x98}},
	{"S2", 0x04, {0x43, 0x63, 0x03, 0x00, 0xbf, 0x00, 0xe4}},
	{"S2", 0x08, {0x56, 0x76, 0x16, 0x00, 0xcb, 0x00, 0x95}},
	{"S2", 0x10, {0x42, 0x62, 0x02, 0x00, 0xba, 0x00, 0xed}},
	{"S2", 0x20, {0x4e, 0x6e, 0x0e, 0x00, 0xd0, 0x00, 0x89}},
	{"S2", 0x40, {0x4d, 0x6d, 0x0d, 0x30, 0xd3, 0x00, 0xf5}},
	{"S2", 0x80, {0x2c, 0x3c, 0x00, 0x00, 0xc8, 0xa4, 0x9c}},
	{"S3", 0x01, {0x41, 0x61, 0x01, 0x00, 0xc1, 0x00, 0x88}},
	{"S3", 0x02, {0x53, 0x73, 0x13, 0x00, 0xc4, 0x00, 0x9f}},
	{"S3", 0x04, {0x44, 0x64, 0x04, 0x00, 0xbc, 0x00, 0xef}},
	{"S3", 0x08, {0x46, 0x66, 0x06, 0x00, 0xca, 0x00, 0xfd}},
	{"S3", 0x10, {0x47, 0x67, 0x07, 0x00, 0xb7, 0x00, 0x9d}},
	{"S3", 0x20, {0x48, 0x68, 0x08, 0x00, 0xb8, 0x00, 0xfe}},
	{"S3", 0x40, {0x4a, 0x6a, 0x0a, 0x31, 0xcf, 0x00, 0xe5}},
	{"S3", 0x80, {0x4b, 0x6b, 0x0b, 0x32, 0xc9, 0x00, 0x9b}},
	{"S4", 0x01, {0x51, 0x71, 0x11, 0x00, 0xc0, 0x00, 0x8b}},
	{"S4", 0x02, {0x57, 0x77, 0x17, 0x00, 0xc3, 0x00, 0xfb}},
	{"S4", 0x04, {0x45, 0x65, 0x05, 0x00, 0xb2, 0xa8, 0x99}},
	{"S4", 0x08, {0x52, 0x72, 0x12, 0x00, 0xbd, 0x00, 0xf6}},
	{"S4", 0x10, {0x54, 0x74, 0x14, 0x00, 0xb6, 0x00, 0x97}},
	{"S4", 0x20, {0x59, 0x79, 0x19, 0x35, 0xdd, 0x00, 0x96}},
	{"S4", 0x40, {0x55, 0x75, 0x15, 0x34, 0xc5, 0x00, 0x94}},
	{"S4", 0x80, {0x49, 0x69, 0x09, 0x00, 0xc6, 0x00, 0xf9}},
	{"S5", 0x01, {0x31, 0x21, 0x00, 0x00, 0xc7, 0x00, 0xe9}},
	{"S5", 0x02, {0x32, 0x22, 0x00, 0x00, 0xcc, 0x00, 0x90}},
	{"S5", 0x04, {0x33, 0x23, 0x00, 0x00, 0xb1, 0xa7, 0x91}},
	{"S5", 0x08, {0x34, 0x24, 0x00, 0x00, 0xb3, 0xa9, 0x92}},
	{"S5", 0x10, {0x35, 0x25, 0x00, 0x00, 0xb4, 0xaa, 0x93}},
	{"S5", 0x20, {0x36, 0x26, 0x00, 0x00, 0xb5, 0xab, 0xec}},
	{"S5", 0x40, {0x37, 0x27, 0x37, 0x00, 0xd4, 0xac, 0xe0}},
	{"S5", 0x80, {0x38, 0x28, 0x37, 0x00, 0xd5, 0xad, 0xf2}},
	{"S7", 0x01, {0x2e, 0x3e, 0x00, 0x2e, 0xd9, 0xa1, 0x9a}},
	{"S7", 0x02, {0x2f, 0x3f, 0x00, 0x00, 0xd2, 0xa5, 0x80}},
	{"S7", 0x04, {0x3f, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00}},
	{"S7", 0x08, {0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d}},
	{"S7", 0x10, {0x4f, 0x6f, 0x0f, 0x36, 0xd7, 0x00, 0x9e}},
	{"S7", 0x20, {0x50, 0x70, 0x10, 0x00, 0xbe, 0x00, 0xf7}},
	{"S7", 0x40, {0x40, 0x60, 0x00, 0x00, 0xde, 0x00, 0xe7}},
	{"S7", 0x80, {0x5b, 0x7b, 0x00, 0x00, 0xdf, 0xa2, 0x84}},
	{"S8", 0x01, {0x4c, 0x6c, 0x0c, 0x33, 0xd8, 0x00, 0xf4}},
	{"S8", 0x02, {0x3b, 0x2b, 0x00, 0x00, 0xda, 0x00, 0x82}},
	{"S8", 0x04, {0x3a, 0x2a, 0x00, 0x00, 0xb9, 0x00, 0x81}},
	{"S8", 0x08, {0x5d, 0x7d, 0x00, 0x00, 0xd1, 0xa3, 0x85}},
	{"S8", 0x10, {0x39, 0x29, 0x39, 0x00, 0xd6, 0xae, 0xf1}},
	{"S8", 0x20, {0x30, 0x7c, 0x00, 0x00, 0xdc, 0xa6, 0x8a}},
	{"S8", 0x40, {0x2d, 0x3d, 0x00, 0x00, 0xce, 0x00, 0xf0}},
	{"S8", 0x80, {0x3d, 0x7e, 0x00, 0x00, 0xcd, 0x00, 0xfc}}
};

class x07_state : public driver_device
{
public:
	x07_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		  m_maincpu(*this, "maincpu"),
		  m_printer(*this, "printer"),
		  m_beep(*this, BEEPER_TAG),
		  m_ram(*this, RAM_TAG),
		  m_cassette(*this, CASSETTE_TAG)
	{ }

	required_device<cpu_device> m_maincpu;
	required_device<printer_image_device> m_printer;
	required_device<device_t> m_beep;
	required_device<ram_device> m_ram;
	required_device<cassette_image_device> m_cassette;

	void machine_start();
	void machine_reset();
	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	DECLARE_READ8_MEMBER( x07_io_r );
	DECLARE_WRITE8_MEMBER( x07_io_w );

	DECLARE_INPUT_CHANGED_MEMBER( kb_keys );
	DECLARE_INPUT_CHANGED_MEMBER( kb_func_keys );
	DECLARE_INPUT_CHANGED_MEMBER( kb_break );
	DECLARE_INPUT_CHANGED_MEMBER( kb_update_udk );

	void t6834_cmd(UINT8 cmd);
	void t6834_r();
	void t6834_w();
	void cassette_w();
	void cassette_r();
	void printer_w();
	void kb_irq();
	void cassette_load();
	void cassette_save();
	void receive_bit(int bit);

	inline UINT8 get_char(UINT16 pos);
	inline UINT8 kb_get_index(UINT8 char_code);
	inline void draw_char(UINT8 x, UINT8 y, UINT8 char_pos);
	inline void draw_point(UINT8 x, UINT8 y, UINT8 color);
	inline void draw_udk();

	/* general */
	UINT8 m_sleep;
	UINT8 m_warm_start;
	UINT8 m_t6834_ram[0x800];
	UINT8 m_regs_r[8];
	UINT8 m_regs_w[8];
	UINT8 m_alarm[8];

	struct fifo_buffer
	{
		UINT8 data[0x100];
		UINT8 read;
		UINT8 write;
	};
	fifo_buffer m_in;
	fifo_buffer m_out;

	UINT8 m_udk_on;
	UINT8 m_draw_udk;
	UINT8 m_sp_on;
	UINT8 m_font_code;
	emu_timer *m_rsta_clear;
	emu_timer *m_rstb_clear;
	emu_timer *m_beep_stop;

	/* LCD */
	UINT8 m_lcd_on;
	UINT8 m_lcd_map[32][120];
	UINT8 m_scroll_min;
	UINT8 m_scroll_max;
	UINT8 m_blink;

	struct lcd_position
	{
		UINT8 x;
		UINT8 y;
		UINT8 on;
	};
	lcd_position m_locate;
	lcd_position m_cursor;

	/* keyboard */
	UINT8 m_kb_on;
	UINT8 m_repeat_key;			//not supported
	UINT8 m_kb_size;

	/* cassette */
	UINT8  m_cass_motor;
	UINT8  m_cass_data;
	UINT32 m_cass_clk;
	UINT8  m_bit_count;
	int    m_cass_state;
	emu_timer *m_cass_poll;
	emu_timer *m_cass_tick;

	/* printer */
	UINT8 m_prn_sendbit;
	UINT8 m_prn_char_code;
	UINT8 m_prn_buffer[0x100];
	UINT8 m_prn_size;
	virtual void palette_init();
	TIMER_CALLBACK_MEMBER(cassette_tick);
	TIMER_CALLBACK_MEMBER(cassette_poll);
	TIMER_CALLBACK_MEMBER(rsta_clear);
	TIMER_CALLBACK_MEMBER(rstb_clear);
	TIMER_CALLBACK_MEMBER(beep_stop);
};