7 Manufacturer : SNK Corporation Year of Release : 1990 Units sold : 570000 CPU : 16-bit Motorolla 68000 @ 12MHz, 8-bit Zilog Z80 @ 4MHz RAM : 7 MB RAM SRAM : 2 KB Video RAM : 512 KB Sound chip : Yamaha YM2610 with 13 channels Display : 304x224 resolution, 4096 colors out of 65536