From 114539b2b26eb7c670436e23c295ded86e546a89 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Sat, 2 Oct 2021 23:07:12 +0200
Subject: [PATCH] Added a pic_set_pci() function that adds the PIC I/O aliases.

---
 src/include/86box/pic.h |  1 +
 src/pic.c               | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/include/86box/pic.h b/src/include/86box/pic.h
index 139aa5195..33be66135 100644
--- a/src/include/86box/pic.h
+++ b/src/include/86box/pic.h
@@ -45,6 +45,7 @@ extern void	pic_elcr_write(uint16_t port, uint8_t val, void *priv);
 extern uint8_t	pic_elcr_read(uint16_t port, void *priv);
 
 extern void	pic_set_shadow(int sh);
+extern void	pic_set_pci(void);
 extern void	pic_init(void);
 extern void	pic_init_pcjr(void);
 extern void	pic2_init(void);
diff --git a/src/pic.c b/src/pic.c
index 36bd4b0e2..86db5389c 100644
--- a/src/pic.c
+++ b/src/pic.c
@@ -515,6 +515,18 @@ pic_write(uint16_t addr, uint8_t val, void *priv)
 }
 
 
+void
+pic_set_pci(void)
+{
+    int i;
+
+    for (i = 0x0024; i < 0x0040; i++) {
+	io_sethandler(i, 0x0002, pic_read, NULL, NULL, pic_write, NULL, NULL, &pic);
+	io_sethandler(i + 0x0080, 0x0002, pic_read, NULL, NULL, pic_write, NULL, NULL, &pic2);
+    }
+}
+
+
 void
 pic_init(void)
 {