From a4cf43061b6a56f5709180e63070bb574167e977 Mon Sep 17 00:00:00 2001
From: aaron <aaron@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c>
Date: Wed, 25 Oct 2017 19:36:53 +0000
Subject: [PATCH] git-svn-id: https://spexeah.com:8443/svn/Asuro@252
 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c

---
 src/driver/ATA.pas | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/driver/ATA.pas b/src/driver/ATA.pas
index 21126102..99887aa5 100644
--- a/src/driver/ATA.pas
+++ b/src/driver/ATA.pas
@@ -14,7 +14,8 @@ uses
     util,
     drivertypes,
     console,
-    terminal;
+    terminal,
+    isr76;
 
 type 
 
@@ -29,16 +30,16 @@ type
 
     Physical_Region_Descriptor = bitpacked record 
         empty0       : 0..1;
-        MRPB_Address : 1..32;
-        Byte_Count   : 32..47;
+        MRPB_Address : 1..32; // memory address
+        Byte_Count   : 32..47; // size in bytes (0 is 64K)
         empty1       : 47..63;
-        EOT          : 63..64;
+        EOT          : 63..64; // end of table
         empty2       : 64..65;
     end;
 
     ATA_Command_Buffer bitpacked record
-        start_stop_bit : 0..1;
-        read_write_bit : 3..4;
+        start_stop_bit : 0..1; // 0 stopped
+        read_write_bit : 3..4; // 0 read
     end;
 
 var 
@@ -47,6 +48,8 @@ var
     controller : TPCI_device;
 
 procedure init(_controller : TPCI_device);
+procedure read(address : uint32);
+procedure write(address : uint32);
 
 implementation