The KIM-1 has 2K ROM, in two 1K maskable ROMS of the 6530-002 and 6530-003.
The 6530-002 implements a TTY interface, a keyboard interface (hence the name Keyboard Interface Monitor) and 6 7 segment LED displays.
6530-003 is an audio cassette recorder extention of the KIM monitor.
On this page binaries and source listings and assembler sources for various assemblers.
Source code listings