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
|
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************
Poly-88 driver by Miodrag Milanovic
18/05/2009 Initial implementation
Poly-88 ToDo:
MT 06231: Cassette saving hangs. Also, the system has different
formats depending on a switch. Only one format is currently
emulated.
Poly-8813 is a disk-based computer with 3 mini-floppy drives.
Booting is done by pressing the "Load" button, mounted on the
front panel near the power switch. Although user manuals are easy
to obtain, technical information and drive controller schematics
are not. The disk format is known to be 256 bytes per sector, 10
sectors per track, 35 tracks, single sided, for a total of 89600
bytes.
The Poly-8813 BIOS makes use of undocumented instructions which we
do not currently emulate. These are at 006A (print a character
routine - ED ED 05); another is at 0100 (move memory routine -
ED ED 03); the last is at 087B (disk I/O routine - ED ED 01). The
code at 0100 can be replaced by 7E 12 13 23 03 79 B0 C2 00 01 C9,
which exactly fits into the available space. The routine at 006A is
likewise could be exactly replaced with F5 C5 D5 E5, which enters
a display routine that appears in other assembly listings but seems
to have no entry point here. Since the ED ED opcode is defined as
for CALLN in the NEC V20/V30's 8080 mode, it might be the case that
these are actually hooks patched into the original code for
emulation purposes. (There is also a slim possibility that this
opcode invokes an undocumented feature of the NEC uPD8080AF, which
at least some models of the Poly-88 are known to have used.)
****************************************************************************/
#include "emu.h"
#include "includes/poly88.h"
#include "cpu/i8085/i8085.h"
//#include "bus/s100/s100.h"
#include "imagedev/cassette.h"
#include "sound/wave.h"
#include "screen.h"
#include "speaker.h"
ADDRESS_MAP_START(poly88_state::poly88_mem)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x03ff) AM_ROM // Monitor ROM
AM_RANGE(0x0400, 0x0bff) AM_ROM // ROM Expansion
AM_RANGE(0x0c00, 0x0dff) AM_RAM AM_MIRROR(0x200) // System RAM (mirrored)
AM_RANGE(0x1000, 0x1fff) AM_ROM // System Expansion area
AM_RANGE(0x2000, 0x3fff) AM_RAM // Minimal user RAM area
AM_RANGE(0x4000, 0xf7ff) AM_RAM
AM_RANGE(0xf800, 0xfbff) AM_RAM AM_SHARE("video_ram") // Video RAM
ADDRESS_MAP_END
ADDRESS_MAP_START(poly88_state::poly88_io)
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w)
AM_RANGE(0x01, 0x01) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
AM_RANGE(0x04, 0x04) AM_WRITE(poly88_baud_rate_w)
AM_RANGE(0x08, 0x08) AM_WRITE(poly88_intr_w)
AM_RANGE(0xf8, 0xf8) AM_READ(poly88_keyboard_r)
ADDRESS_MAP_END
ADDRESS_MAP_START(poly88_state::poly8813_mem)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x03ff) AM_ROM // Monitor ROM
AM_RANGE(0x0400, 0x0bff) AM_ROM // Disk System ROM
AM_RANGE(0x0c00, 0x0fff) AM_RAM // System RAM
AM_RANGE(0x1800, 0x1bff) AM_RAM AM_SHARE("video_ram") // Video RAM
AM_RANGE(0x2000, 0xffff) AM_RAM // RAM
ADDRESS_MAP_END
ADDRESS_MAP_START(poly88_state::poly8813_io)
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( poly88 )
PORT_START("LINEC")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7)
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH)
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_END)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G)
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O)
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("~") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("DEL")PORT_CODE(KEYCODE_BACKSPACE)
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LF") PORT_CODE(KEYCODE_RALT)
INPUT_PORTS_END
static const struct CassetteOptions poly88_cassette_options =
{
1, /* channels */
16, /* bits per sample */
7200 /* sample frequency */
};
/* F4 Character Displayer */
static const gfx_layout poly88_charlayout =
{
8, 16, /* text = 7 x 9 */
128, /* 128 characters */
1, /* 1 bits per pixel */
{ 0 }, /* no bitplanes */
/* x offsets */
{ 0, 1, 2, 3, 4, 5, 6, 7 },
/* y offsets */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
8*16 /* every char takes 16 bytes */
};
static GFXDECODE_START( poly88 )
GFXDECODE_ENTRY( "chargen", 0x0000, poly88_charlayout, 0, 1 )
GFXDECODE_END
MACHINE_CONFIG_START(poly88_state::poly88)
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", I8080A, XTAL(16'588'800) / 9) // uses 8224 clock generator
MCFG_CPU_PROGRAM_MAP(poly88_mem)
MCFG_CPU_IO_MAP(poly88_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", poly88_state, poly88_interrupt)
MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(poly88_state,poly88_irq_callback)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(64*10, 16*15)
MCFG_SCREEN_VISIBLE_AREA(0, 64*10-1, 0, 16*15-1)
MCFG_SCREEN_UPDATE_DRIVER(poly88_state, screen_update_poly88)
MCFG_SCREEN_PALETTE("palette")
MCFG_GFXDECODE_ADD("gfxdecode", "palette", poly88)
MCFG_PALETTE_ADD_MONOCHROME("palette")
/* audio hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
/* cassette */
MCFG_CASSETTE_ADD( "cassette" )
MCFG_CASSETTE_CREATE_OPTS(&poly88_cassette_options)
MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED)
/* uart */
MCFG_DEVICE_ADD("uart", I8251, XTAL(16'588'800) / 9)
MCFG_I8251_TXD_HANDLER(WRITELINE(poly88_state,write_cas_tx))
MCFG_I8251_RXRDY_HANDLER(WRITELINE(poly88_state,poly88_usart_rxready))
/* snapshot */
MCFG_SNAPSHOT_ADD("snapshot", poly88_state, poly88, "img", 2)
MACHINE_CONFIG_END
MACHINE_CONFIG_START(poly88_state::poly8813)
poly88(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(poly8813_mem)
MCFG_CPU_IO_MAP(poly8813_io)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( poly88 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "polymon4.bin", 0x0000, 0x0400, CRC(0baa1a4c) SHA1(c6cf4b89bdde200813d34aab08150d5f3025ce33))
ROM_LOAD( "tbasic_1.rom", 0x0400, 0x0400, CRC(ec22740e) SHA1(bc606c58ef5f046200bdf402eda66ec070464306))
ROM_LOAD( "tbasic_2.rom", 0x0800, 0x0400, CRC(f2619232) SHA1(eb6fb0356d2fb153111cfddf39eab10253cb4c53))
ROM_REGION( 0x800, "chargen", 0 )
ROM_LOAD( "6571.bin", 0x0000, 0x0800, CRC(5a25144b) SHA1(7b9fee0c8ef2605b85d12b6d9fe8feb82418c63a) )
ROM_END
ROM_START( poly8813 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "poly8813-1.bin", 0x0000, 0x0400, CRC(7fd980a0) SHA1(a71d5999deb4323a11db1c0ea0dcb1dacfaf47ef))
ROM_LOAD( "poly8813-2.rom", 0x0400, 0x0400, CRC(1ad7c06c) SHA1(c96b8f03c184de58dbdcee18d297dbccf2d77176))
ROM_LOAD( "poly8813-3.rom", 0x0800, 0x0400, CRC(3df57e5b) SHA1(5b0c4febfc7515fc07e63dcb21d0ab32bc6a2e46))
ROM_REGION( 0x800, "chargen", 0 )
ROM_LOAD( "6571.bin", 0x0000, 0x0800, CRC(5a25144b) SHA1(7b9fee0c8ef2605b85d12b6d9fe8feb82418c63a) )
ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS
COMP( 1976, poly88, 0, 0, poly88, poly88, poly88_state, poly88, "PolyMorphic Systems", "Poly-88", 0 )
COMP( 1977, poly8813,poly88,0, poly8813, poly88, poly88_state, poly88, "PolyMorphic Systems", "Poly-8813", MACHINE_NOT_WORKING )
|