* [Qemu-devel] [4386] cirrusfb: proper "Attribute Controller Toggle Readback" register behaviour
@ 2008-05-08 12:21 Aurelien Jarno
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From: Aurelien Jarno @ 2008-05-08 12:21 UTC (permalink / raw)
To: qemu-devel
Revision: 4386
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4386
Author: aurel32
Date: 2008-05-08 12:21:27 +0000 (Thu, 08 May 2008)
Log Message:
-----------
cirrusfb: proper "Attribute Controller Toggle Readback" register behaviour
(Marcelo Tosatti)
Modified Paths:
--------------
trunk/hw/cirrus_vga.c
Modified: trunk/hw/cirrus_vga.c
===================================================================
--- trunk/hw/cirrus_vga.c 2008-05-07 23:22:46 UTC (rev 4385)
+++ trunk/hw/cirrus_vga.c 2008-05-08 12:21:27 UTC (rev 4386)
@@ -1626,13 +1626,15 @@
case 0x17: // Standard VGA
case 0x18: // Standard VGA
return CIRRUS_HOOK_NOT_HANDLED;
+ case 0x24: // Attribute Controller Toggle Readback (R)
+ *reg_value = (s->ar_flip_flop << 7);
+ break;
case 0x19: // Interlace End
case 0x1a: // Miscellaneous Control
case 0x1b: // Extended Display Control
case 0x1c: // Sync Adjust and Genlock
case 0x1d: // Overlay Extended Control
case 0x22: // Graphics Data Latches Readback (R)
- case 0x24: // Attribute Controller Toggle Readback (R)
case 0x25: // Part Status
case 0x27: // Part ID (R)
*reg_value = s->cr[reg_index];
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