diff --git a/include/pic.h b/include/pic.h
index e7b41be2..947166bb 100644
--- a/include/pic.h
+++ b/include/pic.h
@@ -19,7 +19,12 @@
 #ifndef __PIC_H
 #define __PIC_H
 
+
+#include "cpu.h" 
+
 typedef void (PIC_EOIHandler) (void);
+typedef void (* PIC_EventHandler)(void);
+
 
 #define PIC_MAXIRQ 15
 #define PIC_NOIRQ 0xFF
@@ -27,7 +32,20 @@ typedef void (PIC_EOIHandler) (void);
 
 extern Bitu PIC_IRQCheck;
 extern Bitu PIC_IRQActive;
-extern bool PIC_IRQAgain;
+
+extern Bitu PIC_Ticks;
+
+INLINE Bitu PIC_Index(void) {
+	return ((CPU_CycleMax-CPU_CycleLeft-CPU_Cycles)*1000)/CPU_CycleMax;
+}
+
+INLINE Bits PIC_MakeCycles(Bitu amount) {
+	return (CPU_CycleMax*amount)/1000;
+}
+
+INLINE Bit64u PIC_MicroCount(void) {
+	return PIC_Ticks*1000+PIC_Index();
+}
 
 void PIC_ActivateIRQ(Bit32u irq);
 
@@ -37,8 +55,12 @@ void PIC_runIRQs(void);
 
 void PIC_RegisterIRQ(Bit32u irq,PIC_EOIHandler handler,char * name);
 void PIC_FreeIRQ(Bit32u irq);
+Bitu PIC_RunQueue(void);
 
+void PIC_AddIRQ(Bitu irq,Bitu delay);
+void PIC_AddEvent(PIC_EventHandler handler,Bitu delay);
 
+void PIC_RemoveEvents(PIC_EventHandler handler);
 
 #endif