CPU-4 is a 6502 SBC based upon the TIM 6530-004. Developed for teaching on the Technical University Eindhoven.
The only surviving part of the system is a 40 page Dutch manual.
Described are the function of TIM, Tiny Basic and Resident Assembler Program, same as the Jolt and Superjolt.
![]() |
Dutch manual of RC41523 CPU-4 |
Some excerpts from the manual:







See also:
MTU K-1008 Visible Memory
The MTU Visible Memory is a memory mapped video display made by MTU. Supported by the KIM-1 Simulator.
See the MTU ...
TTY Serial
TTY Serial
The KIM-1 Simulator comes with a 'console', a glass teletype 24x80 screen. It has a subset of ANSI/VT100 sup...
TTY Console
TTY console mode
Press the TTY console switch to let the KIM simulator use a glass teletype in a console window. The st...
SD/RTC Card System, xKIM and CP/M-65
The SD-Shield is a mass storage device designed by Bob Applegate for Corsham Technologies. He named it SD/RTC Card. Ba...
