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(MESS) c900: connected to terminal.

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This commit is contained in:
Robbbert 2013-06-19 11:07:03 +00:00
parent f89f73561b
commit dbc24d982c
1 changed files with 49 additions and 13 deletions
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62
src/mess/drivers/c900.c
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@ -11,33 +11,68 @@
#include "emu.h"
#include "cpu/z8000/z8000.h"
#include "machine/terminal.h"
class c900_state : public driver_device
{
public:
c900_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_maincpu(*this, "maincpu") { }
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_terminal(*this, TERMINAL_TAG)
{ }
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
// UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_READ16_MEMBER(key_r);
DECLARE_READ16_MEMBER(stat_r);
DECLARE_WRITE8_MEMBER(kbd_put);
UINT8 m_term_data;
required_device<cpu_device> m_maincpu;
required_device<generic_terminal_device> m_terminal;
};
static ADDRESS_MAP_START(c900_mem, AS_PROGRAM, 16, c900_state)
AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x8000, 0xffff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START(c900_io, AS_IO, 8, c900_state)
static ADDRESS_MAP_START(c900_io, AS_IO, 16, c900_state)
AM_RANGE(0x100, 0x101) AM_READ(stat_r)
AM_RANGE(0x110, 0x111) AM_READ(key_r) AM_DEVWRITE8(TERMINAL_TAG, generic_terminal_device, write, 0x00ff)
ADDRESS_MAP_END
static INPUT_PORTS_START( c900 )
INPUT_PORTS_END
UINT32 c900_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
//UINT32 c900_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
//{
// return 0;
//}
READ16_MEMBER( c900_state::key_r )
{
return 0;
UINT8 ret = m_term_data;
m_term_data = 0;
return ret;
}
READ16_MEMBER( c900_state::stat_r )
{
return (m_term_data) ? 5 : 4;
}
WRITE8_MEMBER( c900_state::kbd_put )
{
m_term_data = data;
}
static GENERIC_TERMINAL_INTERFACE( terminal_intf )
{
DEVCB_DRIVER_MEMBER(c900_state, kbd_put)
};
static MACHINE_CONFIG_START( c900, c900_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z8001, 4000000)
@ -45,13 +80,14 @@ static MACHINE_CONFIG_START( c900, c900_state )
MCFG_CPU_IO_MAP(c900_io)
/* 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(512, 256)
MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
MCFG_PALETTE_LENGTH(4)
MCFG_SCREEN_UPDATE_DRIVER(c900_state, screen_update)
// MCFG_SCREEN_ADD("screen", RASTER)
// MCFG_SCREEN_REFRESH_RATE(60)
// MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
// MCFG_SCREEN_SIZE(512, 256)
// MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
// MCFG_PALETTE_LENGTH(4)
// MCFG_SCREEN_UPDATE_DRIVER(c900_state, screen_update)
MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
MACHINE_CONFIG_END
ROM_START( c900 )