why are the pins of port0 of 8051 are not toggling...where as port1,2 and 3 are toggling.. how to make them toggle..?
troubleshooting I/O (hardware) problems with a simulator seems kind of silly.
you need to study the hardware
"troubleshooting I/O (hardware) problems with a simulator seems kind of silly."
Yes, it certainly does.
Happy Christmas Erik :)