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Vas Crabb 2018-02-24 02:06:21 +11:00
parent 836c43f630
commit 55b95bd734
1 changed files with 70 additions and 0 deletions
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src/mame/video/ladybug.h Normal file
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// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_VIDEO_LADYBUG_H
#define MAME_VIDEO_LADYBUG_H
#pragma once
#include "screen.h"
#define MCFG_LADYBUG_VIDEO_GFXDECODE(tag) \
downcast<ladybug_video_device &>(*device).set_gfxdecode_tag("^" tag);
// used by ladybug and sraider
class ladybug_video_device : public device_t
{
public:
ladybug_video_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
void set_gfxdecode_tag(char const *tag) { m_gfxdecode.set_tag(tag); }
DECLARE_READ8_MEMBER(spr_r) { return m_spr_ram[offset & 0x03ff]; }
DECLARE_WRITE8_MEMBER(spr_w) { m_spr_ram[offset & 0x03ff] = data; }
DECLARE_READ8_MEMBER(bg_r) { return m_bg_ram[offset & 0x07ff]; }
DECLARE_WRITE8_MEMBER(bg_w);
void draw(screen_device &screen, bitmap_ind16 &bitmap, rectangle const &cliprect, bool flip);
protected:
virtual void device_start() override;
TILE_GET_INFO_MEMBER(get_bg_tile_info);
private:
required_device<gfxdecode_device> m_gfxdecode;
std::unique_ptr<u8 []> m_spr_ram;
std::unique_ptr<u8 []> m_bg_ram;
tilemap_t *m_bg_tilemap;
};
// used by zerohour, redclash and sraider
class zerohour_stars_device : public device_t
{
public:
zerohour_stars_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
void set_enable(bool on);
void update_state();
void set_speed(u8 speed, u8 mask);
void draw(bitmap_ind16 &bitmap, rectangle const &cliprect, u8 pal_offs, bool has_va, u8 firstx, u8 lastx);
protected:
virtual void device_start() override;
virtual void device_reset() override;
private:
u8 m_enable;
u8 m_speed;
u32 m_state;
u16 m_offset;
u8 m_count;
};
DECLARE_DEVICE_TYPE(LADYBUG_VIDEO, ladybug_video_device)
DECLARE_DEVICE_TYPE(ZEROHOUR_STARS, zerohour_stars_device)
#endif // MAME_VIDEO_LADYBUG_H