dac write index register is r/w - CR1D access fix (Volker Ruppert)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@978 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 2707f93..8ec63d3 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -1492,6 +1492,7 @@
case 0x1a: // Miscellaneous Control
case 0x1b: // Extended Display Control
case 0x1c: // Sync Adjust and Genlock
+ case 0x1d: // Overlay Extended Control
s->cr[reg_index] = reg_value;
#ifdef DEBUG_CIRRUS
printf("cirrus: handled outport cr_index %02x, cr_value %02x\n",
@@ -1503,7 +1504,6 @@
case 0x26: // Attribute Controller Index Readback (R)
case 0x27: // Part ID (R)
break;
- case 0x1d: // Overlay Extended Control
case 0x25: // Part Status
default:
#ifdef DEBUG_CIRRUS
@@ -2440,7 +2440,11 @@
case 0x3c7:
val = s->dac_state;
break;
- case 0x3c9:
+ case 0x3c8:
+ val = s->dac_write_index;
+ s->cirrus_hidden_dac_lockindex = 0;
+ break;
+ case 0x3c9:
if (cirrus_hook_read_palette(s, &val))
break;
val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
