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
|
/*
Beezer - (c) 1982 Tong Electronic
Written by Mathis Rosenhauer
TODO:
- what's really wrong with the sound? Any reference available?
*/
#include "emu.h"
#include "machine/6522via.h"
#include "cpu/m6809/m6809.h"
#include "sound/dac.h"
#include "includes/beezer.h"
static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, beezer_state )
AM_RANGE(0x0000, 0xbfff) AM_RAM AM_SHARE("videoram")
AM_RANGE(0xc000, 0xcfff) AM_ROMBANK("bank1")
AM_RANGE(0xd000, 0xdfff) AM_ROM AM_WRITE(beezer_bankswitch_w) // ROM at G1, bankswitch
AM_RANGE(0xe000, 0xffff) AM_ROM // ROMS at G3, G5
ADDRESS_MAP_END
static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, beezer_state )
AM_RANGE(0x0000, 0x07ff) AM_RAM // RAM at 0D
AM_RANGE(0x0800, 0x0fff) AM_RAM // optional RAM at 2D (can be rom here instead)
AM_RANGE(0x1000, 0x1007) AM_MIRROR(0x07f8) AM_DEVREADWRITE_LEGACY("custom", beezer_sh6840_r, beezer_sh6840_w)
AM_RANGE(0x1800, 0x180F) AM_MIRROR(0x07f0) AM_DEVREADWRITE("via6522_1", via6522_device, read, write)
AM_RANGE(0x8000, 0x8003) AM_MIRROR(0x1ffc) AM_DEVWRITE_LEGACY("custom", beezer_sfxctrl_w)
//AM_RANGE(0xa000, 0xbfff) AM_ROM // ROM at 2D (can be ram here instead), unpopulated
//AM_RANGE(0xc000, 0xdfff) AM_ROM // ROM at 4D, unpopulated
AM_RANGE(0xe000, 0xffff) AM_ROM // ROM at 6D
ADDRESS_MAP_END
static INPUT_PORTS_START( beezer )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_TILT )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("IN1")
PORT_BIT( 0x0f, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(20) PORT_KEYDELTA(10) PORT_REVERSE
PORT_START("IN2")
PORT_BIT( 0x0f, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(20) PORT_KEYDELTA(10) PORT_REVERSE
/* Manual says "Dip Switch A" is not used. */
PORT_START("DSWA")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("DSWB")
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SWB:1,2")
PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SWB:3")
PORT_DIPSETTING( 0x04, "3" )
PORT_DIPSETTING( 0x00, "4" )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SWB:4")
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x30, 0x10, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SWB:5,6")
PORT_DIPSETTING( 0x20, "30000" )
PORT_DIPSETTING( 0x10, "60000" )
PORT_DIPSETTING( 0x00, "90000" )
PORT_DIPSETTING( 0x30, DEF_STR( No ) )
PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SWB:7,8")
PORT_DIPSETTING( 0xc0, DEF_STR( Easy ) )
PORT_DIPSETTING( 0x80, DEF_STR( Medium ) )
PORT_DIPSETTING( 0x40, DEF_STR( Hard ) )
PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
INPUT_PORTS_END
void beezer_state::machine_start()
{
m_maincpu = machine().device<cpu_device>("maincpu");
}
static MACHINE_CONFIG_START( beezer, beezer_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6809, 1000000) /* 1 MHz */
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_TIMER_ADD_SCANLINE("scantimer", beezer_interrupt, "screen", 0, 1)
MCFG_CPU_ADD("audiocpu", M6809, 1000000) /* 1 MHz */
MCFG_CPU_PROGRAM_MAP(sound_map)
/* 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(384, 256)
MCFG_SCREEN_VISIBLE_AREA(16, 304-1, 0, 240-1) // 288 x 240, correct?
MCFG_SCREEN_UPDATE_STATIC(beezer)
MCFG_PALETTE_LENGTH(16)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
//MCFG_DAC_ADD("dac")
//MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_SOUND_ADD("custom", BEEZER, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
/* via */
MCFG_VIA6522_ADD("via6522_0", 0, b_via_0_interface)
MCFG_VIA6522_ADD("via6522_1", 0, b_via_1_interface)
MACHINE_CONFIG_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( beezer )
ROM_REGION( 0x20000, "maincpu", 0 )
ROM_LOAD( "g1", 0x0d000, 0x1000, CRC(3467a0ec) SHA1(0b094a9bf772b101acd26cf09009c67dd4785ed2) )
ROM_LOAD( "g3", 0x0e000, 0x1000, CRC(9950cdf2) SHA1(b2b59cc1080357de6ba297392881d626157df809) )
ROM_LOAD( "g5", 0x0f000, 0x1000, CRC(a4b09879) SHA1(69739dd1d3c88ee6ab310ca3c71b3b50d8ec618f) )
ROM_LOAD( "f1", 0x12000, 0x2000, CRC(ce1b0b8b) SHA1(8ed1d793928bb7afa041a4f61e0c2f78b4442f2f) )
ROM_LOAD( "f3", 0x14000, 0x2000, CRC(6a11072a) SHA1(9700beaec669849da4d0e39d6dbf0b872d7f1b7f) )
ROM_LOAD( "e1", 0x16000, 0x1000, CRC(21e4ca9b) SHA1(4024678a4006614051675858ba65db655931a539) )
ROM_LOAD( "e3", 0x18000, 0x1000, CRC(a4f735d7) SHA1(110061d1c63a331384729951f93a31e62744d0d7) )
ROM_LOAD( "e5", 0x1a000, 0x1000, CRC(0485575b) SHA1(c3be070541459fad4da4a71604883b2f3043374a) )
ROM_LOAD( "f5", 0x1c000, 0x1000, CRC(4b11f572) SHA1(4f283c98a7f1bcf534921b4a54cf564335c53e37) )
ROM_LOAD( "f7", 0x1e000, 0x1000, CRC(bef67473) SHA1(5759ceeca0bb677cee97b74f1a1087d53c25463a) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "d7", 0xf000, 0x1000, CRC(23b0782e) SHA1(7751327b84235a2e2700e4bdd21adec205c54f0e) )
ROM_REGION( 0x0300, "proms", 0 )
ROM_LOAD( "d1.cpu", 0x000, 0x0100, CRC(8db17a40) SHA1(0e04a4f5f99b302dbbbfda438808d549f8680fe2) )
ROM_LOAD( "e1.cpu", 0x100, 0x0100, CRC(3c775c5e) SHA1(ac86f45938c0c9d5fec1245bf86718442baf445b) )
ROM_END
ROM_START( beezer1 )
ROM_REGION( 0x20000, "maincpu", 0 )
ROM_LOAD( "g1.32", 0x0d000, 0x1000, CRC(3134cb93) SHA1(7d4a484378b66ccf2fded31885d6dfb2abae9317) )
ROM_LOAD( "g3.32", 0x0e000, 0x1000, CRC(a3cb2c2d) SHA1(1e17eb0eaf02f86865845a065a5f714fc51aa7d6) )
ROM_LOAD( "g5.32", 0x0f000, 0x1000, CRC(5e559bf9) SHA1(cd3713f3ed1215ea5c5640474ba6f005242cd093) )
ROM_LOAD( "f1.64", 0x12000, 0x2000, CRC(b8a78cca) SHA1(4218ef8c4c8e10d7cc47d6de4c4d189ef3c0f0a1) )
ROM_LOAD( "f3.32", 0x14000, 0x1000, CRC(bfa023f5) SHA1(56fb15e2db61197e1aec5a5825beff7c788a4ba3) )
ROM_LOAD( "e1", 0x16000, 0x1000, CRC(21e4ca9b) SHA1(4024678a4006614051675858ba65db655931a539) )
ROM_LOAD( "e3", 0x18000, 0x1000, CRC(a4f735d7) SHA1(110061d1c63a331384729951f93a31e62744d0d7) )
ROM_LOAD( "e5", 0x1a000, 0x1000, CRC(0485575b) SHA1(c3be070541459fad4da4a71604883b2f3043374a) )
ROM_LOAD( "f5", 0x1c000, 0x1000, CRC(4b11f572) SHA1(4f283c98a7f1bcf534921b4a54cf564335c53e37) )
ROM_LOAD( "f7", 0x1e000, 0x1000, CRC(bef67473) SHA1(5759ceeca0bb677cee97b74f1a1087d53c25463a) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "d7.32", 0xf000, 0x1000, CRC(b11028b5) SHA1(db8958f0bb12e333ce056da3338f1a824dda36e0) )
ROM_REGION( 0x0300, "proms", 0 )
ROM_LOAD( "d1.cpu", 0x000, 0x0100, CRC(8db17a40) SHA1(0e04a4f5f99b302dbbbfda438808d549f8680fe2) )
ROM_LOAD( "e1.cpu", 0x100, 0x0100, CRC(3c775c5e) SHA1(ac86f45938c0c9d5fec1245bf86718442baf445b) )
ROM_END
GAME( 1982, beezer, 0, beezer, beezer, beezer_state, beezer, ROT90, "Tong Electronic", "Beezer (set 1)", GAME_IMPERFECT_SOUND )
GAME( 1982, beezer1, beezer, beezer, beezer, beezer_state, beezer, ROT90, "Tong Electronic", "Beezer (set 2)", GAME_IMPERFECT_SOUND )
|