B0
secret uint64_t B0, B1, B2, B3, B4;
B0 = A[0 + 5*y];
A[3 + 5*y] ^= ~B4 & B0;
A[4 + 5*y] ^= ~B0 & B1;
if (t->c_ospeed == B0) {
isapnp_io_range[i] + ISAPNP_IO_BASE_7_0, B0(r->base));
B0(r->base));
B0(r->length));
case B0:
if (speed == B0) {