SET8
#define SET8(reg, bit) PUT8(reg, GET8(reg) | (bit))
#define SET8(dev, offset, v) PUT8(dev, offset, GET8(dev, offset) | (v))
#define SET8(dev, offset, v) PUT8(dev, offset, GET8(dev, offset) | (v))
#define SET8(dev, offset, v) PUT8(dev, offset, GET8(dev, offset) | (v))
#define SET8(ss, reg, mask) PUT8(ss, reg, GET8(ss, reg) | (mask))