TUL_Int
if (inb(host->addr + TUL_Int) & TSS_INT_PENDING) {
while ((inb(host->addr + TUL_Int) & XABT) == 0)
while ((inb(host->addr + TUL_Int) & 0x04) == 0)
while ((inb(host->addr + TUL_Int) & XABT) == 0)