summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/pencil2.c
blob: bde1c817f9ca9f6ee54eb26f6bbb66b7e241f1c0 (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
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
// license:BSD-3-Clause
// copyright-holders:Robbbert
/***************************************************************************

    Hanimex Pencil II
    Manufactured by Soundic, Hong Kong.

    2012-11-06 [Robbbert]

    Computer kindly donated for MESS by Ian Farquhar.

    Accessories:
    - PEN-216 : 16k RAM expansion
    - PEN-264 : 64k RAM expansion
    - PEN-511 : Data Cassette Recorder
    - ???     : Printer
    - ???     : Floppy Disk Drive (5.25)
    - ???     : Floppy Disk Controller
    - ???     : RS-232C Serial Interface
    - ???     : Coleco Adapter*
    - PEN-8xx : Various software on Cassette or Floppy Disk
    - ???     : Game Controller (joystick and 14 buttons)
    - PEN-7xx : Various software in Cartridge format
    - PEN-430 : Modem
    - PEN-902 : Computer power supply
    - PEN-962 : Monitor cable

    * The cart slot is the same as that found on the Colecovision console. By plugging the
      Coleco Adapter into the expansion slot, Colecovision cartridges can be plugged into the
      cart slot and played.

Information found by looking inside the computer
------------------------------------------------
Main Board PEN-002 11-50332-10

J1 Expansion slot
J2 Cart slot
J3 Memory expansion slot
J4 Printer slot
J5,J6 Joystick ports

XTAL 10.738 MHz

Output is to a TV on Australian Channel 1.

U1     uPD780C-1 (Z80A)
U2     Video chip with heatsink stuck on top, TMS9929
U3     SN76489AN
U4     2764 bios rom
U5     uPD4016C-2 (assumed to be equivalent of 6116 2K x 8bit static RAM)
U6     74LS04
U7     74LS74A
U8-10  74LS138
U11    74LS00
U12    74LS273
U13    74LS74A
U14-21 TMM416P-3 (4116-3 16k x 1bit dynamic RAM)
U22    74LS05
U23-24 SN74LS541


SD-BASIC usage:
All commands must be in uppercase, which is the default at boot.
The 'capslock' is done by pressing Shift and Esc together, and the
cursor will change to a checkerboard pattern.


MEMORY MAP
0000-1FFF bios rom
2000-5FFF available for expansion
6000-7FFF static RAM (2K mirrored)
8000-FFFF cart slot

The 16k dynamic RAM holds the BASIC program and the video/gfx etc
but is banked out of view of a BASIC program.


ToDo:
- Joysticks (no info)

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "video/tms9928a.h"
#include "sound/sn76496.h"
#include "bus/centronics/ctronics.h"
#include "imagedev/cassette.h"
#include "sound/wave.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"


class pencil2_state : public driver_device
{
public:
	pencil2_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_centronics(*this, "centronics")
		, m_cass(*this, "cassette")
		, m_cart(*this, "cartslot")
	{}

	DECLARE_WRITE8_MEMBER(port10_w);
	DECLARE_WRITE8_MEMBER(port30_w);
	DECLARE_WRITE8_MEMBER(port80_w);
	DECLARE_WRITE8_MEMBER(portc0_w);
	DECLARE_READ8_MEMBER(porte2_r);
	DECLARE_WRITE_LINE_MEMBER(write_centronics_ack);
	DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
	DECLARE_CUSTOM_INPUT_MEMBER(printer_ready_r);
	DECLARE_CUSTOM_INPUT_MEMBER(printer_ack_r);
private:
	virtual void machine_start();
	int m_centronics_busy;
	int m_centronics_ack;
	bool m_cass_state;
	required_device<cpu_device> m_maincpu;
	required_device<centronics_device> m_centronics;
	required_device<cassette_image_device> m_cass;
	required_device<generic_slot_device> m_cart;
};

static ADDRESS_MAP_START(pencil2_mem, AS_PROGRAM, 8, pencil2_state)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0000, 0x1fff) AM_ROM
	AM_RANGE(0x2000, 0x5fff) AM_WRITENOP  // stop error log filling up
	AM_RANGE(0x6000, 0x67ff) AM_MIRROR(0x1800) AM_RAM
	//AM_RANGE(0x8000, 0xffff)      // mapped by the cartslot
ADDRESS_MAP_END

static ADDRESS_MAP_START(pencil2_io, AS_IO, 8, pencil2_state)
	ADDRESS_MAP_UNMAP_HIGH
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x0f) AM_DEVWRITE("cent_data_out", output_latch_device, write)
	AM_RANGE(0x10, 0x1f) AM_WRITE(port10_w)
	AM_RANGE(0x30, 0x3f) AM_WRITE(port30_w)
	AM_RANGE(0x80, 0x9f) AM_WRITE(port80_w)
	AM_RANGE(0xa0, 0xa0) AM_MIRROR(0x1e) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write)
	AM_RANGE(0xa1, 0xa1) AM_MIRROR(0x1e) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write)
	AM_RANGE(0xc0, 0xdf) AM_WRITE(portc0_w)
	AM_RANGE(0xe0, 0xff) AM_DEVWRITE("sn76489a", sn76489a_device, write)
	AM_RANGE(0xe0, 0xe0) AM_READ_PORT("E0")
	AM_RANGE(0xe1, 0xe1) AM_READ_PORT("E1")
	AM_RANGE(0xe2, 0xe2) AM_READ(porte2_r)
	AM_RANGE(0xe3, 0xe3) AM_READ_PORT("E3")
	AM_RANGE(0xe4, 0xe4) AM_READ_PORT("E4")
	AM_RANGE(0xe6, 0xe6) AM_READ_PORT("E6")
	AM_RANGE(0xe8, 0xe8) AM_READ_PORT("E8")
	AM_RANGE(0xea, 0xea) AM_READ_PORT("EA")
	AM_RANGE(0xf0, 0xf0) AM_READ_PORT("F0")
	AM_RANGE(0xf2, 0xf2) AM_READ_PORT("F2")
ADDRESS_MAP_END

READ8_MEMBER( pencil2_state::porte2_r)
{
	return (m_cass->input() > 0.1) ? 0xff : 0x7f;
}

WRITE8_MEMBER( pencil2_state::port10_w )
{
	m_centronics->write_strobe(BIT(data, 0));
}

WRITE8_MEMBER( pencil2_state::port30_w )
{
	m_cass_state ^= 1;
	m_cass->output( m_cass_state ? -1.0 : +1.0);
}

WRITE8_MEMBER( pencil2_state::port80_w )
{
}

WRITE8_MEMBER( pencil2_state::portc0_w )
{
}

WRITE_LINE_MEMBER( pencil2_state::write_centronics_busy )
{
	m_centronics_busy = state;
}

CUSTOM_INPUT_MEMBER( pencil2_state::printer_ready_r )
{
	return m_centronics_busy;
}

WRITE_LINE_MEMBER( pencil2_state::write_centronics_ack )
{
	m_centronics_ack = state;
}

CUSTOM_INPUT_MEMBER( pencil2_state::printer_ack_r )
{
	return m_centronics_ack;
}


/* Input ports */
static INPUT_PORTS_START( pencil2 )
	PORT_START("E0")
	// port_custom MUST be ACTIVE_HIGH to work
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, pencil2_state, printer_ready_r, " ")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Break") PORT_CODE(KEYCODE_END)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, pencil2_state, printer_ack_r, " ")

	PORT_START("E1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') PORT_CHAR('@')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('>')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('<')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("E3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(32)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("E4")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("E6")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR(39)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("E8")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR('*')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') PORT_CHAR('/')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(';') PORT_CHAR('+')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') PORT_CHAR('?')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("EA")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("F0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('^')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("F2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END


void pencil2_state::machine_start()
{
	if (m_cart->exists())
		m_maincpu->space(AS_PROGRAM).install_read_handler(0x8000, 0xffff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart));
}

static MACHINE_CONFIG_START( pencil2, pencil2_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80, XTAL_10_738635MHz/3)
	MCFG_CPU_PROGRAM_MAP(pencil2_mem)
	MCFG_CPU_IO_MAP(pencil2_io)

	/* video hardware */
	MCFG_DEVICE_ADD( "tms9928a", TMS9929A, XTAL_10_738635MHz / 2 )
	MCFG_TMS9928A_VRAM_SIZE(0x4000)
	MCFG_TMS9928A_SCREEN_ADD_PAL( "screen" )
	MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )

	// sound hardware
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD("sn76489a", SN76489A, XTAL_10_738635MHz/3) // guess
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)

	/* cassette */
	MCFG_CASSETTE_ADD( "cassette" )
	MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED)

	/* cartridge */
	MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "pencil2_cart")

	/* printer */
	MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
	MCFG_CENTRONICS_ACK_HANDLER(WRITELINE(pencil2_state, write_centronics_ack))
	MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(pencil2_state, write_centronics_busy))

	MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")

	/* Software lists */
	MCFG_SOFTWARE_LIST_ADD("cart_list", "pencil2")
MACHINE_CONFIG_END

/* ROM definition */
ROM_START( pencil2 )
	ROM_REGION(0x10000, "maincpu", 0)
	ROM_LOAD( "mt.u4", 0x0000, 0x2000, CRC(338d7b59) SHA1(2f89985ac06971e00210ff992bf1e30a296d10e7) )
ROM_END

/* Driver */

/*    YEAR  NAME    PARENT  COMPAT   MACHINE    INPUT     STATE         INIT  COMPANY    FULLNAME       FLAGS */
COMP( 1983, pencil2,   0,     0,     pencil2,   pencil2, driver_device,  0,  "Hanimex", "Pencil II", 0 )