I realized I needed four extra characters to be able to create lines that are 4 pixels wide. In the 6-pixel wide versions I already had them ($59 - $5B), rounding corners. So I added them to my existing modified character set, at $75 - $78.

Tools: PETSCII editor, VICE.

👨‍💻 day 2/366 days of coding

Fake C64 screen with hexadecimal screen codes and their changed graphical representation Screenshot of VICE C64 showing a Basic instruction using POKE commands to display the modified screen codes