From 83a5d147759e229d6e71aec5883f5ad07c986b74 Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Sun, 17 Apr 2022 14:28:41 -0700
Subject: [PATCH] fox32: Allow disks to be removed

---
 src/bus.rs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/bus.rs b/src/bus.rs
index a5fb63c..8928672 100644
--- a/src/bus.rs
+++ b/src/bus.rs
@@ -162,7 +162,7 @@ impl Bus {
                     _ => panic!("invalid mouse control port"),
                 }
             }
-            0x80001000..=0x80004003 => { // disk controller port
+            0x80001000..=0x80005003 => { // disk controller port
                 let id = port as u8;
                 let operation = (port & 0x0000F000) >> 8;
 
@@ -198,10 +198,17 @@ impl Bus {
                         self.disk_controller.set_current_sector(id, word);
                         self.disk_controller.write_from_memory(id, self.memory.ram());
                     }
+                    0x50 => {
+                        // we're requesting a disk to be removed from the specified disk id
+                        if id > 3 {
+                            panic!("invalid disk ID");
+                        }
+                        self.disk_controller.remove(id);
+                    }
                     _ => panic!("invalid disk controller port"),
                 }
             }
             _ => return,
         }
     }
-}
\ No newline at end of file
+}