15 points
Tiny nitpick, 23 qr-codes are needed as one can contain 2,953 bytes and c64 has 65,536 bytes of ram. 65536/2953=22.19
15 points
*
RAM manufacturers hate this one weird trick
15 points
Finally, I can download more RAM
47 points
WARNING: QR codes are not suitable for upgrading your C64’s RAM.
12 points
5 points
21 points
Now this is a shower thought. I love it.