I think B-Em now has the 6502 second processors running at the right CPU speed. It is worth noting that there are two options because the internal co-pro for the Master has a higher clock speed that the cheese wedge.
If someone has a hardware 2nd processor we could check this, though. We would want to run something that is CPU bound and check the timing. The CLOCKSP program, which was actually to find how BASIC interpreters for other CPUs compare would be suitable. Although it does some I/O, this is not inside the bit being timed. Or we could use TAK in any language that doesn’t issue lots of OS calls when it is supposed to be doing calculations.
Other that that, as tricky says, interrupts make a difference on the I/O processor and anything that results in ROM service calls will be slight slower if there are more ROMs in the machine.
If someone has a hardware 2nd processor we could check this, though. We would want to run something that is CPU bound and check the timing. The CLOCKSP program, which was actually to find how BASIC interpreters for other CPUs compare would be suitable. Although it does some I/O, this is not inside the bit being timed. Or we could use TAK in any language that doesn’t issue lots of OS calls when it is supposed to be doing calculations.
Other that that, as tricky says, interrupts make a difference on the I/O processor and anything that results in ROM service calls will be slight slower if there are more ROMs in the machine.
Statistics: Posted by Coeus — Sun Dec 01, 2024 12:11 pm