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There's a recent improvement in C64 fast loading technology made by Linus Åkesson. The main idea is to decode GCR inside 1541 thus gaining more transfer speed. An introductory article into the problems of GCR decoding inside 1541 (with the memory for both code and data of just 2048 bytes) is here: https://www.linusakesson.net/programming/gcr-decoding/index....


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Here are the ones I've come across: SDOS V1.1, a "C64 disk utility and speed loader," which has had development done on it as recently as 2019. According to the readme, it's "Public Domain: open-source and freeware." It's based on earlier programs "VDOS" (1986), "SJLOAD (v0.96)" (2008-2009) and "SDOS (v1.0)" (2016). I discovered it on csdb.dk, but the ...


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As said in the other answer, it's mostly a marketting or design choice and has no technicalities. First, you are mistaken in beliving all western NES cartridges were gray : They were some games released in gold cartridges as well. But you're right in that it's still much less varied than the famicom which featured countless different colours. In the west, ...


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