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// license:???
// copyright-holders:???
/***************************************************************************
nascom1.c
Functions to emulate the video hardware of the nascom1.
***************************************************************************/
#include "emu.h"
#include "includes/nascom1.h"
UINT32 nascom1_state::screen_update_nascom1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 *videoram = m_videoram;
int sy, sx;
for (sx = 0; sx < 48; sx++)
{
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, videoram[0x03ca + sx],
1, 0, 0, sx * 8, 0);
}
for (sy = 0; sy < 15; sy++)
{
for (sx = 0; sx < 48; sx++)
{
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, videoram[0x000a + (sy * 64) + sx],
1, 0, 0, sx * 8, (sy + 1) * 16);
}
}
return 0;
}
UINT32 nascom1_state::screen_update_nascom2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 *videoram = m_videoram;
int sy, sx;
for (sx = 0; sx < 48; sx++)
{
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, videoram[0x03ca + sx],
1, 0, 0, sx * 8, 0);
}
for (sy = 0; sy < 15; sy++)
{
for (sx = 0; sx < 48; sx++)
{
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, videoram[0x000a + (sy * 64) + sx],
1, 0, 0, sx * 8, (sy + 1) * 14);
}
}
return 0;
}
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