示例#1
0
void iq151_minigraf_device::io_write(offs_t offset, UINT8 data)
{
	if (offset >= 0xf0 && offset < 0xf4)
	{
		/*
		    Plotter control lines

		    ---- -xxx   horizontal step
		    --xx x---   vertical step
		    -x-- ----   ???
		    x--- ----   pen up/down
		*/

		plotter_update(data);
	}
}
示例#2
0
文件: ms151a.cpp 项目: Ashura-X/mame
void iq151_ms151a_device::io_write(offs_t offset, UINT8 data)
{
	if (offset >= 0xc0 && offset <= 0xc4)
		plotter_update(offset - 0xc0, data);
}