[NES8] HalfNes 0.034

HalfNES 0.034 (5/22/11)

• Fixed full screen code for people who still had flicker at bottom
• Fixed Bill and Ted's Excellent Adventure
• Rewrote some code to enable putting ROM @ $6000-7fff
• Implemented Mapper 69 (Sunsoft FME-7) and the extra sound hardware for the Japanese version of Gimmick. (If you haven't ever played Gimmick, find the ROM and give it a go sometime. Great game.)
• Also added mappers 78(Holy Diver) and 87 (Twinbee).