if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SIO].sCycle) >= psxRegs.intCycle[PSXINT_SIO].cycle) {
psxRegs.interrupt &= ~(1 << PSXINT_SIO);
sioInterrupt();
if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SIO].sCycle) >= psxRegs.intCycle[PSXINT_SIO].cycle) {
psxRegs.interrupt &= ~(1 << PSXINT_SIO);
sioInterrupt();