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/**********************************************************************
TI TMS9927 and compatible CRT controller emulation
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#ifndef __TMS9927__
#define __TMS9927__
#include "devlegcy.h"
class tms9927_device : public device_t
{
public:
tms9927_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
tms9927_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
~tms9927_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_stop();
virtual void device_reset();
private:
// internal state
void *m_token;
};
extern const device_type TMS9927;
class crt5027_device : public tms9927_device
{
public:
crt5027_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type CRT5027;
class crt5037_device : public tms9927_device
{
public:
crt5037_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type CRT5037;
class crt5057_device : public tms9927_device
{
public:
crt5057_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type CRT5057;
#define MCFG_TMS9927_ADD(_tag, _clock, _config) \
MCFG_DEVICE_ADD(_tag, TMS9927, _clock) \
MCFG_DEVICE_CONFIG(_config)
#define MCFG_TMS9927_RECONFIG(_tag, _clock, _config) \
MCFG_DEVICE_MODIFY(_tag) \
MCFG_DEVICE_CLOCK(_clock) \
MCFG_DEVICE_CONFIG(_config)
/* interface */
typedef struct _tms9927_interface tms9927_interface;
struct _tms9927_interface
{
const char *screen_tag; /* screen we are acting on */
int hpixels_per_column; /* number of pixels per video memory address */
const char *selfload_region; /* name of the region with self-load data */
};
extern const tms9927_interface tms9927_null_interface;
/* basic read/write handlers */
WRITE8_DEVICE_HANDLER( tms9927_w );
READ8_DEVICE_HANDLER( tms9927_r );
/* other queries */
int tms9927_screen_reset(device_t *device);
int tms9927_upscroll_offset(device_t *device);
int tms9927_cursor_bounds(device_t *device, rectangle &bounds);
#endif
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