> That said, the C64 forced you to use either arcane commands to access internal ROM routines for certain graphics or sound generation C64 ROM contains no grap

> That said, the C64 forced you to use either arcane commands to access internal ROM routines for certain graphics or sound generation C64 ROM contains no graphics or sound generation commands. Unless you count text mode scrolling as such. Graphics and sound was either POKEs and PEEKs or 6510 machine language. > These tradeoffs had their own implications, of course - there wasn't much like OS-9 available for the C64 (a multitasking, multiuser operating system for 8-bit machines of the time Well, there was GEOS, although it wasn't a multiuser system. Or multitasking for that matter. https://en.wikipedia.org/wiki/GEOS_(8-bit_operating_system) https://en.wikipedia.org/wiki/GEOS_(8-bit_operating_system)