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Download [bios] Commodore Vic-20 (europe) -
This 8KB ROM contains Commodore BASIC v2.0. Interestingly, this chip is generally identical across both North American (NTSC) and European (PAL) models.
The system clock and interrupt timers are calibrated for a 50Hz refresh rate, compared to the 60Hz rate used in North America. Implementation and Emulation Download [BIOS] Commodore VIC-20 (Europe)
Default horizontal and vertical screen offsets are adjusted to center the image on European TV sets. This 8KB ROM contains Commodore BASIC v2
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