summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/drivers/lola8a.c
blob: 6ad1b371811c669f5d18055d96c75c0aaed6b230 (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
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
// license:MAME
// copyright-holders:Miodrag Milanovic, Robbbert
/***************************************************************************

        Lola 8A

        Ivo Lola Ribar Institute

        2013-08-28 Skeleton driver.


    BASIC commands :

    LET NEXT IF GOTO GOSUB RETURN READ DATA FOR CLS INPUT DIM STOP END RESTORE
    REM CLEAR PUSH POKE PRINT OUT ERROR USR CURSOR NORMAL INVERSE PLOT UNPLOT
    ELSE WIPE COLOUR CENTRE RANGE DRAW CIRCLE LOAD SAVE VERIFY HLOAD HSAVE HVERIFY
    DLOAD DSAVE DVERIFY MERGE CAT RUN NEW ON LIST DEF MON GWIND TWIND UNDER
    SPC OFF TAB THEN TO STEP AND OR XOR NOT ABS LEN SQR INT ASC CHR VAL STR MID
    ARG CALL RND LEFT RIGHT DOT SGN SIN FREE PI FN TAN COS POP PEEK INP LN EXP ATN
****************************************************************************/

#include "emu.h"
#include "cpu/i8085/i8085.h"
#include "video/mc6845.h"
#include "sound/ay8910.h"
#include "imagedev/cassette.h"
#include "sound/wave.h"

#define AY8910_TAG "g12"
#define HD46505SP_TAG "h45"


class lola8a_state : public driver_device
{
public:
	lola8a_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_cass(*this, "cassette")
	{ }

	required_device<cpu_device> m_maincpu;

	virtual void palette_init();
	virtual void machine_reset() { m_maincpu->set_pc(0x8000); }

	DECLARE_READ8_MEMBER(lola8a_port_a_r);
	DECLARE_WRITE8_MEMBER(lola8a_port_b_w);
	DECLARE_WRITE_LINE_MEMBER(crtc_vsync);
	DECLARE_READ_LINE_MEMBER(cass_r);
	DECLARE_WRITE_LINE_MEMBER(cass_w);

	DECLARE_READ8_MEMBER(keyboard_r);

private:
	UINT8 m_portb;
	required_device<cassette_image_device> m_cass;
};

static ADDRESS_MAP_START(lola8a_mem, AS_PROGRAM, 8, lola8a_state)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE( 0x0000, 0x1fff ) AM_RAM // 6264 at G45
	AM_RANGE( 0x2000, 0x3fff ) AM_RAM // 6264 at F45
										// empty place for 6264 at E45
										// empty place for 6264 at D45
	AM_RANGE( 0x8000, 0x9fff ) AM_ROM // 2764A at B45
	AM_RANGE( 0xa000, 0xbfff ) AM_ROM // 2764A at C45
	AM_RANGE( 0xc000, 0xdfff ) AM_ROM // 2764A at H67
	AM_RANGE( 0xe000, 0xffff ) AM_RAM // 6264 at G67
ADDRESS_MAP_END

static ADDRESS_MAP_START(lola8a_io, AS_IO, 8, lola8a_state)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x80, 0x80) AM_DEVWRITE(AY8910_TAG, ay8910_device, address_w)
	AM_RANGE(0x84, 0x84) AM_DEVREADWRITE(AY8910_TAG, ay8910_device, data_r, data_w)
	AM_RANGE(0x88, 0x88) AM_READ(keyboard_r)

	AM_RANGE(0x90, 0x90) AM_DEVREADWRITE(HD46505SP_TAG, mc6845_device, status_r, address_w)
	AM_RANGE(0x92, 0x92) AM_DEVREADWRITE(HD46505SP_TAG, mc6845_device, register_r, register_w)

ADDRESS_MAP_END

/* Input ports */
static INPUT_PORTS_START( lola8a )
	PORT_START("line_0")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_1")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_2")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_3")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_4")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_5")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_6")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH)// Z"
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_7")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) // C"
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) // =
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // S"
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) // C'
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // ;
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_8")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH)// /
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) // ????
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // :
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)

	PORT_START("line_9")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) // return
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) // ????
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) // ????
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE)
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) // ????
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE)// @
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
INPUT_PORTS_END


void lola8a_state::palette_init()
{
	int i;

	for(i=0;i<8;i++) {
		palette_set_color_rgb(machine(), i, pal1bit(i >> 1),pal1bit(i >> 2),pal1bit(i >> 0));
	}
}

static MC6845_UPDATE_ROW( lola8a_update_row )
{
	lola8a_state *state = device->machine().driver_data<lola8a_state>();
	address_space &program = state->m_maincpu->space(AS_PROGRAM);
	const rgb_t *palette = bitmap.palette()->entry_list_raw();

	for (int sx = 0; sx < x_count; sx++)
	{
		UINT16 addr = 0xa000 + sx*8 + ra + ma * 8;
		UINT8 code = program.read_byte(addr);

		for (int x = 0; x <= 8; x++)
		{
			int color = BIT(code, 7-x) ? 7 : 0;
			if (cursor_x==sx) color = 7;
			bitmap.pix32(y, x + sx*8) = palette[color];
		}
	}
}

READ8_MEMBER(lola8a_state::lola8a_port_a_r)
{
	logerror("lola8a_port_a_r\n");
	return 0x00;
}

WRITE8_MEMBER(lola8a_state::lola8a_port_b_w)
{
	m_portb = data;
}

READ_LINE_MEMBER( lola8a_state::cass_r )
{
	return (m_cass->input() < 0.03);
}

WRITE_LINE_MEMBER( lola8a_state::cass_w )
{
	m_cass->output(state ? -1.0 : +1.0);
}

READ8_MEMBER(lola8a_state::keyboard_r)
{
	static const char *const keynames[] =
	{
		"line_0", "line_1", "line_2", "line_3",
		"line_4", "line_5", "line_6", "line_7",
		"line_8", "line_9", NULL, NULL,
		NULL,NULL,NULL,NULL
	};

	if( keynames[m_portb & 0x0f])
		return ioport(keynames[m_portb & 0x0f])->read();
	return 0xff;
}

WRITE_LINE_MEMBER(lola8a_state::crtc_vsync)
{
	m_maincpu->set_input_line(I8085_RST75_LINE, state? ASSERT_LINE : CLEAR_LINE);
}

static MC6845_INTERFACE( hd46505sp_intf )
{
	false,
	0,0,0,0,
	8,
	NULL,
	lola8a_update_row,
	NULL,
	DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_DRIVER_LINE_MEMBER(lola8a_state, crtc_vsync),
	NULL
};

static const ay8910_interface psg_intf =
{
	AY8910_LEGACY_OUTPUT,
	AY8910_DEFAULT_LOADS,
	DEVCB_DRIVER_MEMBER(lola8a_state, lola8a_port_a_r),
	DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_DRIVER_MEMBER(lola8a_state, lola8a_port_b_w)
};

static MACHINE_CONFIG_START( lola8a, lola8a_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", I8085A, XTAL_4_9152MHz)
	MCFG_CPU_PROGRAM_MAP(lola8a_mem)
	MCFG_CPU_IO_MAP(lola8a_io)
	MCFG_I8085A_SID(READLINE(lola8a_state, cass_r))
	MCFG_I8085A_SOD(WRITELINE(lola8a_state, cass_w))

	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD(AY8910_TAG, AY8910, XTAL_4_9152MHz / 4)
	MCFG_SOUND_CONFIG(psg_intf)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS,"mono",1.0)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(50)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
	MCFG_SCREEN_UPDATE_DEVICE(HD46505SP_TAG, hd6845_device, screen_update)
	MCFG_SCREEN_SIZE(640, 480)
	MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
	MCFG_MC6845_ADD(HD46505SP_TAG, HD6845, "screen", XTAL_8MHz / 8, hd46505sp_intf) // HD6845 == HD46505S
	MCFG_PALETTE_LENGTH(8)

	/* Cassette */
	MCFG_CASSETTE_ADD( "cassette", default_cassette_interface )
	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END

/* ROM definition */
ROM_START( lola8a )
	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
	ROM_LOAD( "lola 8a r0 w06 22.11.86.b45", 0x8000, 0x2000, CRC(aca1fc08) SHA1(f7076d937bb53b0addcba2a5b7c05ab75d6d0d93))
	ROM_LOAD( "lola 8a r1 w06 22.11.86.c45", 0xa000, 0x2000, CRC(99f8ec9b) SHA1(88eafd09c479f177525fa0039cf04d74bae39dab))
	ROM_LOAD( "lola 8a r2 w06 22.11.86.h67", 0xc000, 0x2000, CRC(1e7cd46b) SHA1(048b2583ee7baeb9621e629b79ed64583ac5d554))
ROM_END

/* Driver */

/*    YEAR  NAME    PARENT  COMPAT   MACHINE    INPUT    CLASS          INIT    COMPANY   FULLNAME       FLAGS */
COMP( 1986, lola8a,  0,       0,    lola8a,     lola8a,  driver_device,  0,      "Institut Ivo Lola Ribar",   "Lola 8A",        GAME_NOT_WORKING)