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];