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// license:BSD-3-Clause
// copyright-holders:Dirk Best
/***************************************************************************
Thomson EF9369
Single Chip Color Palette
___ ___
VSS 1 |* u | 28 HP
VDDC 2 | | 27 P3
SMI 3 | | 26 P2
CC 4 | | 25 P1
CA 5 | | 24 P0
CB 6 | | 23 BLK
M 7 | | 22 AS
AD0 8 | | 21 R/W
VCC 9 | | 20 DS
RESET 10 | | 19 CS0
AD1 11 | | 18 /CS
AD2 12 | | 17 AD7
AD3 13 | | 16 AD6
AD4 14 |_______| 15 AD5
***************************************************************************/
#ifndef MAME_VIDEO_EF9369_H
#define MAME_VIDEO_EF9369_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
#define EF9369_COLOR_UPDATE(name) void name(int entry, bool m, uint8_t ca, uint8_t cb, uint8_t cc)
// ======================> ef9369_device
class ef9369_device : public device_t
{
public:
typedef device_delegate<void (int entry, bool m, uint8_t ca, uint8_t cb, uint8_t cc)> color_update_delegate;
// construction/destruction
ef9369_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// configuration
template <typename... T> void set_color_update_callback(T &&... args) { m_color_update_cb.set(std::forward<T>(args)...); }
uint8_t data_r();
void data_w(uint8_t data);
void address_w(uint8_t data);
static constexpr int NUMCOLORS = 16;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
color_update_delegate m_color_update_cb;
// state
uint8_t m_ca[NUMCOLORS], m_cb[NUMCOLORS], m_cc[NUMCOLORS]; // actually 4-bit
bool m_m[NUMCOLORS];
int m_address;
};
// device type definition
DECLARE_DEVICE_TYPE(EF9369, ef9369_device)
#endif // MAME_VIDEO_EF9369_H
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