SCR_NO_FLUSH
if ((opcode & SCR_NO_FLUSH) && !(np->features&FE_PFEN))
(opcode & ~SCR_NO_FLUSH));
#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
if ((opcode & SCR_NO_FLUSH) &&
opcode = (opcode & ~SCR_NO_FLUSH);