StreetFighter II - Graphics glitch

[GGORZ10227216]

Hi, I am checking my emulator's behavior with gameboycore.

And I found a weird graphics bug when running StreetFighter II :

This glitch will appear when entering the battle stage. After some research, I discovered there are some reasons can cause this bug :

1. The LCD working sequence :
   I change the working sequence about LCD :

     i.) Calling renderScanline() in HBLANK_CYCLES instead of LCD_TRANSFER_CYCLES
          This will eliminate the white line between player's hp bar and the battle stage.
   
     ii.) Do the compareLyToLyc() before updateLY(). This will fix 90% blurred frame.
   

2. Remove IME check in the compareLyToLyc(). This will fix the last 10% blurred frame.

[nnarain]

Hey, thanks for reporting the bug! I'll take a look at it. I think I've seen something similar for games that support Super Gameboy as well.