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I want to keep my C=128D NTSC for testing that my code works on both PAL and NTSC correctly, but I'm running on 50Hz, 220-240V. What in the power supply do I ha

• dfox 10y ago
  As the C128D power supply is based on mains transformer, first thing you need to replace is said mains transformer. It's probably easier to just remove the whole original power supply and replace it with some small industrial 5VDC SMPS and 9V transformer (assuming that nothing depends on the frequency of the 9VAC input, which from looking at service manual seems to be the case).
  • rzzzt 10y ago
    The 6526's time-of-day clock uses it, on the C64, aftermarket or hobbyist power supplies that leave it out make the variables TI and TI$ stop updating.