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/***************************************************************************
video.c
Functions to emulate the video hardware of the machine.
***************************************************************************/
#include "driver.h"
static UINT8 mask = 0;
WRITE8_HANDLER( ramtek_mask_w )
{
mask = data;
}
WRITE8_HANDLER( ramtek_videoram_w )
{
data = data & ~mask;
if (videoram[offset] != data)
{
int i,x,y;
videoram[offset] = data;
y = offset / 32;
x = 8 * (offset % 32);
for (i = 0; i < 8; i++)
{
pen_t pen = (data & 0x80) ? RGB_WHITE : RGB_BLACK;
*BITMAP_ADDR32(tmpbitmap, y, x) = pen;
x++;
data <<= 1;
}
}
}
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