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
|
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/******************************************************************************
Sega Beena
apbeena.cpp
Skeleton driver for the Sega Advanced Pico BEENA
H/W is custom Sega SoC with ARM7TDMI core at 81 MHz.
TODO:
Everything!
Needs the internal BIOS dumped.
Component list / PCB diagram
cartridge ROM has 'edinburgh' in the header, maybe a system codename?
ROM is also full of OGG files containing the string 'Encoded with Speex speex-1.0.4'
as well as .mid files for music
*******************************************************************************/
#include "emu.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "cpu/arm7/arm7.h"
#include "softlist.h"
#include "speaker.h"
#include "screen.h"
class sega_beena_state : public driver_device
{
public:
sega_beena_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "arm7")
, m_cart(*this, "cartslot")
, m_cart_region(nullptr)
, m_bank(*this, "cartbank")
{ }
void sega_beena(machine_config &config);
private:
virtual void machine_start() override;
virtual void machine_reset() override;
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart);
void beena_arm7_map(address_map &map);
required_device<arm7_cpu_device> m_maincpu;
optional_device<generic_slot_device> m_cart;
memory_region *m_cart_region;
optional_memory_bank m_bank;
};
void sega_beena_state::beena_arm7_map(address_map &map)
{
if (m_cart && m_cart->exists())
{
map(0x00000000, 0x000001ff).rom().bankr("cartbank");
map(0x80000000, 0x807fffff).rom().bankr("cartbank");
}
}
void sega_beena_state::machine_start()
{
// if there's a cart, override the standard mapping
if (m_cart && m_cart->exists())
{
std::string region_tag;
m_cart_region = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
m_bank->configure_entries(0, (m_cart_region->bytes() + 0x7fffff) / 0x800000, m_cart_region->base(), 0x800000);
m_bank->set_entry(0);
}
}
void sega_beena_state::machine_reset()
{
}
DEVICE_IMAGE_LOAD_MEMBER(sega_beena_state, cart)
{
uint32_t size = m_cart->common_get_size("rom");
m_cart->rom_alloc(size, GENERIC_ROM16_WIDTH, ENDIANNESS_LITTLE);
m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
return image_init_result::PASS;
}
static INPUT_PORTS_START( sega_beena )
INPUT_PORTS_END
uint32_t sega_beena_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
void sega_beena_state::sega_beena(machine_config &config)
{
ARM7_BE(config, m_maincpu, 81'000'000);
m_maincpu->set_addrmap(AS_PROGRAM, &sega_beena_state::beena_arm7_map);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(640, 480);
screen.set_visarea(0, 640-1, 0, 480-1);
screen.set_screen_update(FUNC(sega_beena_state::screen_update));
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "sega_beena_cart");
m_cart->set_width(GENERIC_ROM16_WIDTH);
m_cart->set_device_load(device_image_load_delegate(&sega_beena_state::device_image_load_cart, this));
m_cart->set_must_be_loaded(true);
SOFTWARE_LIST(config, "cart_list").set_original("sega_beena_cart");
}
ROM_START( beena )
ROM_REGION32_BE( 0x80000, "bios", 0 ) // SoC internal BIOS
ROM_LOAD16_WORD_SWAP( "beenabios.bin", 0x000000, 0x080000, NO_DUMP )
ROM_END
// year, name, parent, compat, machine, input, class, init, company, fullname, flags
CONS( 2009, beena, 0, 0, sega_beena, sega_beena, sega_beena_state, empty_init, "Sega", "Advanced Pico BEENA", MACHINE_IS_SKELETON )
|