From 22977a4ff7246766a2a44826e666238b0403b10e Mon Sep 17 00:00:00 2001
From: SarahW <pcem@pcem-emulator.co.uk>
Date: Wed, 15 Jan 2020 20:00:04 +0000
Subject: [PATCH] Reset purgable page list on reset. Fixes crashes when
 switching between machines.

---
 src/mem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mem.c b/src/mem.c
index a7545a1..8c23410 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -1486,6 +1486,9 @@ void mem_alloc()
         mem_a20_key = 2;
         mem_a20_alt = 0;
         mem_a20_recalc();
+
+        purgable_page_list_head = 0;
+        purgeable_page_count = 0;
 }
 
 void mem_reset_page_blocks()