Changeset 6057 for trunk/src

Timestamp:

Jun 21, 2001, 6:18:24 PM (24 years ago)

Author:

bird

Message:

The three io_* functions don't changed ebx.

File:

• trunk/src/ddraw/new/iccio1.asm (modified) (3 diffs)

trunk/src/ddraw/new/iccio1.asm

@@ -230 +230 @@
 
         ; now use this function to raise the IOPL
+  PUSH  EBX                             ; bird fix
   MOV  EBX,13    ; special function code
   CALL  FWORD PTR [ioentry]  ; CALL intersegment indirect 16:32
+  POP   EBX                             ; bird fix
 
   ; thread should now be running at IOPL=3
@@ -251 +253 @@
 
         ; now use this function to raise the IOPL
+  PUSH  EBX                             ; bird fix
   MOV  EBX,13    ; special function code
   CALL  FWORD PTR [ioentry]  ; CALL intersegment indirect 16:32
+  POP   EBX                             ; bird fix
 
   XOR  EAX, EAX  ; return code = 0
@@ -269 +273 @@
         ; through this mechanism
 
+  PUSH  EBX                             ; bird fix
   MOV  EBX, 14    ; function code to disable iopl
   CALL  FWORD PTR [ioentry]  ; call intersegment indirect 16:32
+  POP   EBX                             ; bird fix
 
   ; process should now be at IOPL=3 again