IGS custom chip
From Citylan
IGS Custom Chips
| NUMBER | PACKAGE | TYPE | FUNCTION | MAME driver / game name |
|---|---|---|---|---|
| 003e | DIP40-600mil | Other | I/O handling (incorporates an 8255) | Dragon World (World, V021O) Virtua Bowling (World, V101XCM) |
| 011 | TQFP160 (40x40) | Video | Video GFX | Dragon World (World, V021O) Virtua Bowling (World, V101XCM) |
| 012 | QFP80 (24x16) | Other | Protection device | Dragon World (World, V021O) Virtua Bowling (World, V101XCM) |
| B0601 | DIP32-600mil | ROM | Mask 32M (4Mx8) (read as ?) | Virtua Bowling (World, V101XCM) |
| B0602 | DIP32-600mil | ROM | Mask 8M (1Mx8) (read as 27080) | Virtua Bowling (World, V101XCM) |
| D0301 | DIP42-600mil | ROM | Mask ?M (?Mx?) (read as ?) | Dragon World (World, V021O) |
