The Universal Chip Analyzer now supports Intel MCS-48 chips with a software update!
Any related ICs like 8035/8039/8040/8048/8049/8050/8748/8749 should also work.
They can be checked at 6/8/11 or 12 MHz.
Toshiba 80C39P-6 – Tested at 6 MHz
Toshiba 80C50AP – Tested at 12 MHz