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// license:BSD-3-Clause
// copyright-holders:Mirko Buffoni
#include "emu.h"
#include "includes/solomon.h"
WRITE8_MEMBER(solomon_state::solomon_videoram_w)
{
m_videoram[offset] = data;
m_fg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(solomon_state::solomon_colorram_w)
{
m_colorram[offset] = data;
m_fg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(solomon_state::solomon_videoram2_w)
{
m_videoram2[offset] = data;
m_bg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(solomon_state::solomon_colorram2_w)
{
m_colorram2[offset] = data;
m_bg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(solomon_state::solomon_flipscreen_w)
{
if (flip_screen() != (data & 0x01))
{
flip_screen_set(data & 0x01);
machine().tilemap().mark_all_dirty();
}
}
TILE_GET_INFO_MEMBER(solomon_state::get_bg_tile_info)
{
int attr = m_colorram2[tile_index];
int code = m_videoram2[tile_index] + 256 * (attr & 0x07);
int color = ((attr & 0x70) >> 4);
int flags = ((attr & 0x80) ? TILE_FLIPX : 0) | ((attr & 0x08) ? TILE_FLIPY : 0);
SET_TILE_INFO_MEMBER(1, code, color, flags);
}
TILE_GET_INFO_MEMBER(solomon_state::get_fg_tile_info)
{
int attr = m_colorram[tile_index];
int code = m_videoram[tile_index] + 256 * (attr & 0x07);
int color = (attr & 0x70) >> 4;
SET_TILE_INFO_MEMBER(0, code, color, 0);
}
void solomon_state::video_start()
{
m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(solomon_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS,
8, 8, 32, 32);
m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(solomon_state::get_fg_tile_info)), TILEMAP_SCAN_ROWS,
8, 8, 32, 32);
m_fg_tilemap->set_transparent_pen(0);
}
void solomon_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect )
{
uint8_t *spriteram = m_spriteram;
int offs;
for (offs = m_spriteram.bytes() - 4; offs >= 0; offs -= 4)
{
int code = spriteram[offs] + 16 * (spriteram[offs + 1] & 0x10);
int color = (spriteram[offs + 1] & 0x0e) >> 1;
int flipx = spriteram[offs + 1] & 0x40;
int flipy = spriteram[offs + 1] & 0x80;
int sx = spriteram[offs + 3];
int sy = 241 - spriteram[offs + 2];
if (flip_screen())
{
sx = 240 - sx;
sy = 242 - sy;
flipx = !flipx;
flipy = !flipy;
}
m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
code, color,
flipx, flipy,
sx, sy, 0);
}
}
uint32_t solomon_state::screen_update_solomon(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
draw_sprites(bitmap, cliprect);
return 0;
}
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