The RC2014 is a modular 8-bit computer in which daughter cards containing RAM, ROM, serial interface ... GitHub repository with a lot of the hardware and ROM info as well as some BASIC examples.

API, BIOS, CPU, DOS (not to be confused with DoS), DRAM, GPU, HDD, RAM, ROM, and a whole lot more ... something you're going ...

single board computer was launched a year prior, in 1976. It featured not only the same MOS 6502 MPU as later Commodore systems, but also an MCS6530 PIO IC that contained the ROM, RAM and ...