#define IRQ_TYPE_TIME 0x01
#define IRQ_TYPE_DYNAMIC_SHARING 0x02
#define IRQ_FORCED_PULSE 0x04
-#define IRQ_FIRST_SHARED 0x08
-//#define IRQ_HANDLE_PRESENT 0x10
+#define IRQ_FIRST_SHARED 0x08 /* unused */
+#define IRQ_HANDLE_PRESENT 0x10 /* unused */
#define IRQ_PULSE_ALLOCATED 0x100
/* Bits in IRQInfo1 field */