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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* Data East Pinball DMD Type 1 display
*/
#ifndef DECODMD1_H_
#define DECODMD1_H_
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/ram.h"
#define MCFG_DECODMD_TYPE1_ADD(_tag, _region) \
MCFG_DEVICE_ADD(_tag, DECODMD1, 0) \
decodmd_type1_device::static_set_gfxregion(*device, _region);
#define B_CLR 0x01
#define B_SET 0x02
#define B_CLK 0x04
class decodmd_type1_device : public device_t
{
public:
decodmd_type1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
required_device<cpu_device> m_cpu;
required_memory_bank m_rombank1;
required_memory_bank m_rombank2;
required_device<ram_device> m_ram;
memory_region* m_rom;
UINT32 screen_update( screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect );
DECLARE_READ8_MEMBER(latch_r);
DECLARE_WRITE8_MEMBER(data_w);
DECLARE_READ8_MEMBER(busy_r);
DECLARE_WRITE8_MEMBER(ctrl_w);
DECLARE_READ8_MEMBER(ctrl_r);
DECLARE_READ8_MEMBER(status_r);
DECLARE_WRITE8_MEMBER(status_w);
DECLARE_READ8_MEMBER(dmd_port_r);
DECLARE_WRITE8_MEMBER(dmd_port_w);
TIMER_DEVICE_CALLBACK_MEMBER(dmd_nmi);
static void static_set_gfxregion(device_t &device, const char *tag);
protected:
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
private:
UINT8 m_latch;
UINT8 m_status;
UINT8 m_ctrl;
UINT8 m_busy;
UINT8 m_command;
UINT8 m_bank;
UINT8 m_rowclock;
UINT8 m_rowdata;
UINT32 m_rowselect;
UINT8 m_blank;
UINT32 m_pxdata1;
UINT32 m_pxdata2;
UINT32 m_pxdata1_latched;
UINT32 m_pxdata2_latched;
bool m_frameswap;
UINT32 m_pixels[0x200];
UINT8 m_busy_lines;
UINT32 m_prevrow;
const char* m_gfxtag;
void output_data();
void set_busy(UINT8 input, UINT8 val);
};
extern const device_type DECODMD1;
#endif /* DECODMD1_H_ */
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