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); } }
void iq151_ms151a_device::io_write(offs_t offset, UINT8 data) { if (offset >= 0xc0 && offset <= 0xc4) plotter_update(offset - 0xc0, data); }