Finally we found a better name for the snesram and renamed it to ‘QuickDev16 USB’. Final PCB layouts are ready and will be send to china soon. So in about 2 weeks we will have our first PCBs. Confirmed Features: 16 MBit Sram for Rom storage ATmega644 MCU for housekeeping USB connection for ROM upload ucon64 software compatibel PAL/NTSC [...]
Had a big breakthrough yesterday with our Super Nintendo Snesram project. Got for the first time a commercial game running. This was quite a hard one. Spend a great amount of time debugging the memory uploads routines. I had to add CRC checks to both sides of the hardware. An AVR hosted CRC memory check and SNES hosted CRC [...]
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