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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
#ifndef MAME_VIDEO_TC0480SCP_H
#define MAME_VIDEO_TC0480SCP_H
#pragma once
enum
{
TC0480SCP_LAYOUT_COMMON = 0, // default layout
TC0480SCP_LAYOUT_BOOTLEG // bootleg layout (footchmpbl need this)
};
class tc0480scp_device : public device_t, public device_gfx_interface
{
public:
tc0480scp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
// configuration
void set_gfxlayout(int gfxlayout) { m_gfxlayout = gfxlayout; }
void set_col_base(int col) { m_col_base = col; }
void set_offsets(int x_offset, int y_offset)
{
m_x_offset = x_offset;
m_y_offset = y_offset;
}
void set_offsets_tx(int x_offset, int y_offset)
{
m_text_xoffs = x_offset;
m_text_yoffs = y_offset;
}
void set_offsets_flip(int x_offset, int y_offset)
{
m_flip_xoffs = x_offset;
m_flip_yoffs = y_offset;
}
/* When writing a driver, pass zero for the text and flip offsets initially:
then tweak them once you have the 4 bg layer positions correct. Col_base
may be needed when tilemaps use a palette area from sprites. */
u16 ram_r(offs_t offset);
void ram_w(offs_t offset, u16 data, u16 mem_mask = ~0);
u16 ctrl_r(offs_t offset);
void ctrl_w(offs_t offset, u16 data, u16 mem_mask = ~0);
void tilemap_update();
void tilemap_draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, u8 priority, u8 pmask = 0xff);
/* Returns the priority order of the bg tilemaps set in the internal
register. The order in which the four layers should be drawn is
returned in the lowest four nibbles (msn = bottom layer; lsn = top) */
int get_bg_priority();
/* Undrfire needs to read this for a sprite/tile priority hack */
u8 pri_reg_r();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_post_load() override;
private:
// internal state
u16 m_ctrl[0x18];
std::vector<u16> m_ram;
u16 * m_bgscroll_ram[4];
u16 * m_rowzoom_ram[4];
u16 * m_bgcolumn_ram[4];
int m_bgscrollx[4];
int m_bgscrolly[4];
int m_pri_reg;
// decoding info
DECLARE_GFXDECODE_MEMBER(gfxinfo_default);
DECLARE_GFXDECODE_MEMBER(gfxinfo_bootleg);
/* We keep two tilemaps for each of the 5 actual tilemaps: one at standard width, one double */
tilemap_t *m_tilemap[5][2];
s32 m_dblwidth;
int m_gfxlayout;
int m_x_offset, m_y_offset;
int m_text_xoffs, m_text_yoffs;
int m_flip_xoffs, m_flip_yoffs;
int m_col_base;
template<unsigned Offset> TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_tx_tile_info);
void set_layer_ptrs();
void bg01_draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, u8 priority, u8 pmask = 0xff);
void bg23_draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, u8 priority, u8 pmask = 0xff);
};
DECLARE_DEVICE_TYPE(TC0480SCP, tc0480scp_device)
#endif // MAME_VIDEO_TC0480SCP_H
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