// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
#ifndef MAME_VIDEO_TC0480SCP_H
#define MAME_VIDEO_TC0480SCP_H
#pragma once
class tc0480scp_device : public device_t
{
public:
tc0480scp_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration
void set_gfxdecode_tag(const char *tag) { m_gfxdecode.set_tag(tag); }
void set_gfx_region(int gfxregion) { m_gfxnum = gfxregion; }
void set_tx_region(int txregion) { m_txnum = txregion; }
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. */
DECLARE_READ16_MEMBER( word_r );
DECLARE_WRITE16_MEMBER( word_w );
DECLARE_READ16_MEMBER( ctrl_word_r );
DECLARE_WRITE16_MEMBER( ctrl_word_w );
/* Functions for use with 68020 (Super-Z system) */
DECLARE_READ32_MEMBER( long_r );
DECLARE_WRITE32_MEMBER( long_w );
DECLARE_READ32_MEMBER( ctrl_long_r );
DECLARE_WRITE32_MEMBER( ctrl_long_w );
void tilemap_update();
void tilemap_draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, uint32_t priority);
/* 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 */
DECLARE_READ8_MEMBER( pri_reg_r );
void postload();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// internal state
uint16_t m_ctrl[0x18];
std::vector<uint16_t> m_ram;
uint16_t * m_bg_ram[4];
uint16_t * m_tx_ram;
uint16_t * m_char_ram;
uint16_t * m_bgscroll_ram[4];
uint16_t * m_rowzoom_ram[4];
uint16_t * m_bgcolumn_ram[4];
int m_bgscrollx[4];
int m_bgscrolly[4];
int m_pri_reg;
/* We keep two tilemaps for each of the 5 actual tilemaps: one at standard width, one double */
tilemap_t *m_tilemap[5][2];
int32_t m_dblwidth;
int m_gfxnum;
int m_txnum;
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;
required_device<gfxdecode_device> m_gfxdecode;
void common_get_tc0480bg_tile_info( tile_data &tileinfo, int tile_index, uint16_t *ram, int gfxnum );
void common_get_tc0480tx_tile_info( tile_data &tileinfo, int tile_index, uint16_t *ram, int gfxnum );
TILE_GET_INFO_MEMBER(get_bg0_tile_info);
TILE_GET_INFO_MEMBER(get_bg1_tile_info);
TILE_GET_INFO_MEMBER(get_bg2_tile_info);
TILE_GET_INFO_MEMBER(get_bg3_tile_info);
TILE_GET_INFO_MEMBER(get_tx_tile_info);
void dirty_tilemaps();
void set_layer_ptrs();
void bg01_draw( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, uint32_t priority );
void bg23_draw( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, uint32_t priority );
};
DECLARE_DEVICE_TYPE(TC0480SCP, tc0480scp_device)
#define MCFG_TC0480SCP_GFX_REGION(_region) \
downcast<tc0480scp_device &>(*device).set_gfx_region(_region);
#define MCFG_TC0480SCP_TX_REGION(_region) \
downcast<tc0480scp_device &>(*device).set_tx_region(_region);
#define MCFG_TC0480SCP_OFFSETS(_xoffs, _yoffs) \
downcast<tc0480scp_device &>(*device).set_offsets(_xoffs, _yoffs);
#define MCFG_TC0480SCP_OFFSETS_TX(_xoffs, _yoffs) \
downcast<tc0480scp_device &>(*device).set_offsets_tx(_xoffs, _yoffs);
#define MCFG_TC0480SCP_OFFSETS_FLIP(_xoffs, _yoffs) \
downcast<tc0480scp_device &>(*device).set_offsets_flip(_xoffs, _yoffs);
#define MCFG_TC0480SCP_COL_BASE(_col) \
downcast<tc0480scp_device &>(*device).set_col_base(_col);
#define MCFG_TC0480SCP_GFXDECODE(_gfxtag) \
downcast<tc0480scp_device &>(*device).set_gfxdecode_tag(_gfxtag);
#endif // MAME_VIDEO_TC0480SCP_H