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
|
// license:BSD-3-Clause
// copyright-holders:Robbbert
/***************************************************************************
Powertran Cortex
2012-04-20 Skeleton driver.
ftp://ftp.whtech.com/Powertran Cortex/
http://www.powertrancortex.com/index.html
Uses Texas Instruments parts and similar to other TI computers.
It was designed by TI engineers, so it may perhaps be a clone
of another TI or the Geneve.
Chips:
TMS9995 - CPU
TMS9929 - Video
TMS9911 - DMA to floppy
TMS9909 - Floppy Disk Controller
AY-5-2376 - Keyboard controller
****************************************************************************/
#include "emu.h"
#include "cpu/tms9900/tms9995.h"
#include "video/tms9928a.h"
class cortex_state : public driver_device
{
public:
cortex_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_p_ram(*this, "ram")
{ }
virtual void machine_reset();
required_device<tms9995_device> m_maincpu;
required_shared_ptr<UINT8> m_p_ram;
};
static ADDRESS_MAP_START( cortex_mem, AS_PROGRAM, 8, cortex_state )
AM_RANGE(0x0000, 0xefff) AM_RAM AM_SHARE("ram")
AM_RANGE(0xf100, 0xf11f) AM_RAM // memory mapping unit
AM_RANGE(0xf120, 0xf120) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write)
AM_RANGE(0xf121, 0xf121) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write)
//AM_RANGE(0xf140, 0xf147) // fdc tms9909
ADDRESS_MAP_END
static ADDRESS_MAP_START( cortex_io, AS_IO, 8, cortex_state )
ADDRESS_MAP_UNMAP_HIGH
//AM_RANGE(0x0000, 0x000f) AM_READWRITE(pio_r,pio_w)
//AM_RANGE(0x0010, 0x001f) AM_READ(keyboard_r)
//AM_RANGE(0x0080, 0x00bf) AM_READWRITE(rs232_r,rs232_w)
//AM_RANGE(0x0180, 0x01bf) AM_READWRITE(cass_r,cass_w)
//AM_RANGE(0x0800, 0x080f) AM_WRITE(cent_data_w)
//AM_RANGE(0x0810, 0x0811) AM_WRITE(cent_strobe_w)
//AM_RANGE(0x0812, 0x0813) AM_READ(cent_stat_r)
//AM_RANGE(0x1ee0, 0x1eef) AM_READWRITE(cpu_int_r,cpu_int_w)
//AM_RANGE(0x1fda, 0x1fdb) AM_READWRITE(cpu_int1_r,cpu_int1_w)
AM_RANGE(0x10000, 0x10000) AM_NOP
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( cortex )
INPUT_PORTS_END
void cortex_state::machine_reset()
{
UINT8* ROM = memregion("maincpu")->base();
memcpy(m_p_ram, ROM, 0x6000);
m_maincpu->set_ready(ASSERT_LINE);
}
static MACHINE_CONFIG_START( cortex, cortex_state )
/* basic machine hardware */
/* TMS9995 CPU @ 12.0 MHz */
// Standard variant, no overflow int
// No lines connected yet
MCFG_TMS99xx_ADD("maincpu", TMS9995, 12000000, cortex_mem, cortex_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 )
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( cortex )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_SYSTEM_BIOS(0, "basic", "Cortex Bios")
ROMX_LOAD( "cortex_ic47.bin", 0x0000, 0x2000, CRC(bdb8c7bd) SHA1(340829dcb7a65f2e830fd5aff82a312e3ed7918f), ROM_BIOS(1))
ROMX_LOAD( "cortex_ic46.bin", 0x2000, 0x2000, CRC(4de459ea) SHA1(00a42fe556d4ffe1f85b2ce369f544b07fbd06d9), ROM_BIOS(1))
ROMX_LOAD( "cortex_ic45.bin", 0x4000, 0x2000, CRC(b0c9b6e8) SHA1(4e20c3f0b7546b803da4805cd3b8616f96c3d923), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "forth", "FIG-Forth")
ROMX_LOAD( "forth_ic47.bin", 0x0000, 0x2000, CRC(999034be) SHA1(0dcc7404c38aa0ae913101eb0aa98da82104b5d4), ROM_BIOS(2))
ROMX_LOAD( "forth_ic46.bin", 0x2000, 0x2000, CRC(8eca54cc) SHA1(0f1680e941ef60bb9bde9a4b843b78f30dff3202), ROM_BIOS(2))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1982, cortex, 0, 0, cortex, cortex, driver_device, 0, "Powertran Cybernetics", "Cortex", GAME_NOT_WORKING | GAME_NO_SOUND)
|