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/***************************************************************************
Irisha video driver by Miodrag Milanovic
27/03/2008 Preliminary driver.
****************************************************************************/
#include "emu.h"
#include "includes/irisha.h"
void irisha_state::video_start()
{
}
UINT32 irisha_state::screen_update_irisha(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 code1; //, code2;
UINT8 col;
int y, x, b;
address_space &space = m_maincpu->space(AS_PROGRAM);
// draw image
for (y = 0; y < 200; y++)
{
for (x = 0; x < 40; x++)
{
code1 = space.read_byte(0xe000 + x + y * 40);
// code2 = space.read_byte(0xc000 + x + y * 40);
for (b = 0; b < 8; b++)
{
col = ((code1 >> b) & 0x01);
bitmap.pix16(y, x * 8 + (7 - b)) = col;
}
}
}
return 0;
}
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