static void FM_STATUS_RESET(FM_ST ST, int flag)
{
/* reset status flag */
ST.status &= (byte)~flag;
if ((ST.irq) != 0 && (ST.status & ST.irqmask) == 0)
{
ST.irq = 0;
/* callback user interrupt handler (IRQ is ON to OFF) */
if (ST.IRQ_Handler != null) ST.IRQ_Handler(ST.index, 0);
}
}
static void FM_STATUS_SET(FM_ST ST, int flag)
{
/* set status flag */
ST.status |= (byte)flag;
if ((ST.irq) == 0 && (ST.status & ST.irqmask) != 0)
{
ST.irq = 1;
/* callback user interrupt handler (IRQ is OFF to ON) */
if (ST.IRQ_Handler != null) ST.IRQ_Handler(ST.index, 1);
}
}