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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
#include "emu.h"
#include "kan_pand.h"
#include "includes/galpanic.h"
void galpanic_state::video_start()
{
m_screen->register_screen_bitmap(m_bitmap);
save_item(NAME(m_bitmap));
}
PALETTE_INIT_MEMBER(galpanic_state,galpanic)
{
/* first 1024 colors are dynamic */
/* initialize 555 RGB lookup */
for (int i = 0;i < 32768;i++)
palette.set_pen_color(i+1024,pal5bit(i >> 5),pal5bit(i >> 10),pal5bit(i >> 0));
}
WRITE16_MEMBER(galpanic_state::bgvideoram_w)
{
data = COMBINE_DATA(&m_bgvideoram[offset]);
int sy = offset / 256;
int sx = offset % 256;
m_bitmap.pix16(sy, sx) = 1024 + (data >> 1);
}
void galpanic_state::draw_fgbitmap(bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (int offs = 0;offs < m_fgvideoram.bytes()/2;offs++)
{
int sx = offs % 256;
int sy = offs / 256;
int color = m_fgvideoram[offs];
if (color)
bitmap.pix16(sy, sx) = color;
}
}
UINT32 galpanic_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
/* copy the temporary bitmap to the screen */
copybitmap(bitmap,m_bitmap,0,0,0,0,cliprect);
draw_fgbitmap(bitmap, cliprect);
m_pandora->update(bitmap, cliprect);
return 0;
}
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