From 3e1600ae9e10652e117a133c7c77397fb11121c9 Mon Sep 17 00:00:00 2001
From: TomW <TomW@localhost>
Date: Sat, 27 Jun 2015 14:37:10 +0100
Subject: [PATCH] XTIDE support added for PS/1.

---
 readme.txt | 12 ++++++++++++
 src/mem.c  | 14 ++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/readme.txt b/readme.txt
index 06d9104..92d4be8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -205,6 +205,14 @@ ROM files needed:
 amic206.bin
 
 
+IBM PS/1 Model 2011 (1990)
+This is a 286 with integrated VGA and a basic GUI and DOS 4.01 in ROM.
+
+ROM files needed:
+
+f80000.bin
+
+
 Acermate 386SX/25N (1992?)
 An integrated 386SX clone, with onboard Oak SVGA and IO.
 
@@ -535,6 +543,10 @@ http://code.google.com/p/xtideuniversalbios/
 
 v2.0.0 beta 1 is the only version that has been tested.
 
+For the PS/1, you will need v1.1.5. The PS/1 is a bit fussy with XTIDE, and I've found that it works best
+when the XTIDE configuration has 'Full Operating Mode' disabled. This version must be called
+ide_at_1_1_5.bin and should also be placed in the ROMS directory.
+
 
 Notes :
 
diff --git a/src/mem.c b/src/mem.c
index 77e692a..5ddec44 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -83,6 +83,19 @@ static void mem_load_atide_bios()
         }
 }
 
+static void mem_load_atide115_bios()
+{
+        FILE *f;
+        f=romfopen("roms/ide_at_1_1_5.bin","rb");
+
+//        is486=0;
+        if (f)
+        {
+                fread(romext,16384,1,f);
+                fclose(f);
+        }
+}
+        
 int loadbios()
 {
         FILE *f=NULL,*ff=NULL;
@@ -476,6 +489,7 @@ int loadbios()
                 fclose(f);
 //#endif
                 biosmask = 0x1ffff;
+                mem_load_atide115_bios();
                 return 1;
         }
         printf("Failed to load ROM!\n");