From 3a869f20de79db238addebbaa5db63d5a30c9666 Mon Sep 17 00:00:00 2001
From: Sjoerd van der Berg <harekiet@users.sourceforge.net>
Date: Mon, 1 Sep 2003 14:28:37 +0000
Subject: [PATCH] Check if cycles need to be lowered when adding new
 irqs/events

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1214
---
 src/hardware/pic.cpp | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/hardware/pic.cpp b/src/hardware/pic.cpp
index d0d666c4..18821383 100644
--- a/src/hardware/pic.cpp
+++ b/src/hardware/pic.cpp
@@ -244,29 +244,30 @@ static void AddEntry(PICEntry * entry) {
 	if (!find_entry) {
 		entry->next=0;
 		pic.next_entry=entry;
-		return;
-	}
-	if (find_entry->index>entry->index) {
+	} else if (find_entry->index>entry->index) {
 		pic.next_entry=entry;
 		entry->next=find_entry;
-		return;
-	}
-	while (find_entry) {
+	} else while (find_entry) {
 		if (find_entry->next) {
 			/* See if the next index comes later than this one */
-			if (find_entry->next->index>entry->index) {
+			if (find_entry->next->index > entry->index) {
 				entry->next=find_entry->next;
 				find_entry->next=entry;
-				return;
+				break;
 			} else {
 				find_entry=find_entry->next;
 			}
 		} else {
 			entry->next=find_entry->next;
 			find_entry->next=entry;
-			return;
+			break;
 		}
 	}
+	Bits cycles=PIC_MakeCycles(pic.next_entry->index-PIC_Index());
+	if (cycles<CPU_Cycles) {
+		CPU_CycleLeft+=CPU_Cycles;
+		CPU_Cycles=0;
+	}
 }
 
 void PIC_AddEvent(PIC_EventHandler handler,Bitu delay) {