Demul v0.7 alpha 221215

Dreamcast/Naomi 1 + 2/Atomiswave/Hikaru/Cave CV1000/Gaelco 模擬器 Demul 又更新了，內容如下 :

few more bugfixes
- ATI texture perspective correction fix is an option now (cause glitches on Nvidia GPUs)
- ancient CDI v2 parsing was killed by accident
- GD-ROM status/irq corrections (Gauntlet Legends)

http://demul.emulation64.com/