TSTATE_XCARRY
return !(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY));
return (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)) ? true : false;
regs->tstate |= (TSTATE_XCARRY | TSTATE_ICARRY);
regs->tstate &= ~(TSTATE_XCARRY | TSTATE_ICARRY);
(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {