3-16-2019 These four files are the binary upgrades of Rob Clarke's diagnostic cart/ harness and Kernal test chip for the C16 & Plus/4. I shortened the file names so they fit on my old EPROM programmer PC with 8.3 file name format. 27128 EPROMs are used. diag264_094_ntsc_kernal.bin = NK.bin is NTSC Kernal test ROM CS=AF10 diag264_094_ntsc_lowrom.bin = NC.bin is NTSC cartridge ROM CS=0A4D diag264_094_pal_kernal.bin = PK.bin is PAL Kernal test ROM CS=AED0 diag264_094_pal_lowrom.bin = PC.bin is PAL cartridge ROM CS=0A0D