Chuck(G)
25k Member
I checked the V-series MicroNOTEs I have for the V20 (from NEC America) and mention is only made of certain V20-8080-emulation opcodes possibly triggering the 8087 (BRKEM) and how to avoid it.
If you want to try NEC's version of the 8087, the part is uPD72091. I've never seen one for real.
If you want to try NEC's version of the 8087, the part is uPD72091. I've never seen one for real.