diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-08 12:21:27 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-08 12:21:27 +0000 |
| commit | ca896ef389fc44c7a673d1bd2b94823e28da37a1 (patch) | |
| tree | c275a7a7f58e780769da15404c7d3d40461b3ef0 /hw/cirrus_vga.c | |
| parent | a8c3320434cc0a7e8eaf3d58b56194f37d7441d3 (diff) | |
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
Diffstat (limited to 'hw/cirrus_vga.c')
| -rw-r--r-- | hw/cirrus_vga.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 47acb32c8..4e9f98d37 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]; |