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/***************************************************************************
tlc34076.h
Basic implementation of the TLC34076 palette chip and similar
compatible chips.
***************************************************************************/
#pragma once
#ifndef __TLC34076_H__
#define __TLC34076_H__
/***************************************************************************
CONSTANTS
***************************************************************************/
enum tlc34076_bits
{
TLC34076_6_BIT = 6,
TLC34076_8_BIT = 8
};
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
class tlc34076_device : public device_t
{
public:
// construction/destruction
tlc34076_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// static configuration helpers
static void static_set_bits(device_t &device, tlc34076_bits bits);
// public interface
const pen_t *get_pens();
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
private:
// internal state
UINT8 m_local_paletteram[0x300];
UINT8 m_regs[0x10];
UINT8 m_palettedata[3];
UINT8 m_writeindex;
UINT8 m_readindex;
UINT8 m_dacbits;
rgb_t m_pens[0x100];
};
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_TLC34076_ADD(_tag, _bits) \
MCFG_DEVICE_ADD(_tag, TLC34076, 0) \
tlc34076_device::static_set_bits(*device, _bits);
extern const device_type TLC34076;
#endif /* __TLC34076_H__ */
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