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// license:BSD-3-Clause
// copyright-holders:Angelo Salese
#ifndef MAME_VIDEO_JANGOU_BLITTER_H
#define MAME_VIDEO_JANGOU_BLITTER_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> jangou_blitter_device
class jangou_blitter_device : public device_t
{
public:
// construction/destruction
jangou_blitter_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// I/O operations
void blit_v1_regs(address_map &map) ATTR_COLD;
void blit_v2_regs(address_map &map) ATTR_COLD;
void vregs_w(offs_t offset, uint8_t data);
void bltflip_w(uint8_t data);
int status_r();
const uint8_t &blit_buffer(unsigned y, unsigned x) const { return m_blit_buffer[(256 * y) + x]; }
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
uint8_t m_blit_buffer[256 * 256];
void plot_gfx_pixel( uint8_t pix, int x, int y );
uint8_t gfx_nibble( uint32_t niboffset );
void trigger_write(void);
uint8_t m_pen_data[0x10];
uint8_t m_x,m_y,m_width,m_height;
uint32_t m_src_addr;
//uint8_t m_blit_data[7];
uint8_t *m_gfxrom;
uint32_t m_gfxrommask;
bool m_bltflip;
// blitter write accessors
void x_w(uint8_t data);
void y_w(uint8_t data);
void height_and_trigger_w(uint8_t data);
void width_w(uint8_t data);
void src_lo_address_w(uint8_t data);
void src_md_address_w(uint8_t data);
void src_hi_address_w(uint8_t data);
};
// device type definition
DECLARE_DEVICE_TYPE(JANGOU_BLITTER, jangou_blitter_device)
#endif // MAME_VIDEO_JANGOU_BLITTER_H
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