From ea7518052b09a70f84497197c4a8f0f086d28f91 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Thu, 8 May 2008 12:21:27 +0000 Subject: [PATCH] cirrusfb: proper "Attribute Controller Toggle Readback" register behaviour (Marcelo Tosatti) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4386 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/cirrus_vga.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 47acb32..4e9f98d 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -1626,13 +1626,15 @@ cirrus_hook_read_cr(CirrusVGAState * s, unsigned reg_index, int *reg_value) 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]; -- 2.7.4