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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef MAME_VIDEO_K053250_H
#define MAME_VIDEO_K053250_H
#pragma once
//
// Konami 053250 road generator
//
#define MCFG_K053250_ADD(_tag, _palette_tag, _screen_tag, offx, offy) \
MCFG_DEVICE_ADD(_tag, K053250, 0) \
MCFG_GFX_PALETTE(_palette_tag) \
MCFG_VIDEO_SET_SCREEN(_screen_tag) \
k053250_device::static_set_offsets(*device, offx, offy);
class k053250_device : public device_t,
public device_gfx_interface,
public device_video_interface
{
public:
k053250_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
static void static_set_offsets(device_t &device, int offx, int offy);
DECLARE_READ16_MEMBER(reg_r);
DECLARE_WRITE16_MEMBER(reg_w);
DECLARE_READ16_MEMBER(ram_r);
DECLARE_WRITE16_MEMBER(ram_w);
DECLARE_READ16_MEMBER(rom_r);
void draw( bitmap_rgb32 &bitmap, const rectangle &cliprect, int colorbase, int flags, bitmap_ind8 &priority_bitmap, int priority );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// configuration
int m_offx, m_offy;
// internal state
required_region_ptr<uint8_t> m_rom;
std::vector<uint8_t> m_unpacked_rom;
std::vector<uint16_t> m_ram;
uint16_t *m_buffer[2];
uint8_t m_regs[8];
uint8_t m_page;
int32_t m_frame;
// internal helpers
void unpack_nibbles();
void dma(int limiter);
static void pdraw_scanline32(bitmap_rgb32 &bitmap, const pen_t *pal_base, uint8_t *source,
const rectangle &cliprect, int linepos, int scroll, int zoom,
uint32_t clipmask, uint32_t wrapmask, uint32_t orientation, bitmap_ind8 &priority, uint8_t pri);
};
DECLARE_DEVICE_TYPE(K053250, k053250_device)
#endif // MAME_VIDEO_K053250_H
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