Changeset 1530 in vbox for trunk/src/VBox/Devices/PC

Timestamp:

Mar 16, 2007 1:49:12 PM (18 years ago)

Author:

vboxsync

Message:

Corrected VBox-specific bug in INT15h mouse reset handling. Fixes MS
PS/2 mouse driver, including the one built into Windows 3.x.

File:

• trunk/src/VBox/Devices/PC/BIOS/rombios.c (modified) (1 diff)

trunk/src/VBox/Devices/PC/BIOS/rombios.c

@@ -4144 +4144 @@
            * sense to reset the mouse and leave the mouse flags as is. */
           mouse_flags_2 = read_byte(ebda_seg, 0x0027);
-          mouse_flags_2 = (mouse_flags_2 & 0x00) | regs.u.r8.bh;
+          if (regs.u.r8.al == 5)
+            mouse_flags_2 = (mouse_flags_2 & 0x00) | regs.u.r8.bh;
           mouse_flags_1 = 0x00;
           write_byte(ebda_seg, 0x0026, mouse_flags_1);