SYMulator is a working SYM-1 simulator by Andrew Dunn for Windows. It is based on a modified version of Daryl Rictor’s 65C02 simulator
Supported are Supermon 1.1 at $8000 (default after Reset) , Basic at $C000, and RAE at $B000.
The builtin Help will work in Windows 7, 8, 10 and higher with the enclosed WINHLP installer, see the Readme.txt

Download here.
See also:
PicoSYM, a SYM-1 emulator on a Raspberry Pico
Emulation of a Synertek Sym-1 on a Raspberry Pi Pico 1 (W).
By andysa on the emulation forum on 6502.org
Here is t...
Amazing it works!
After publishing the photos of the transistors used in the KIM-1 a discussion started on forum64.de in the 'Instandsetzu...
Transistors in the KIM-1
Even a microprocessor based computer as the KIM-1 required some simple transistors.
To drive the LEDs some extra curren...