spiderx's latest activity

Very interesting. I'm thinking this might be used to calibrate the suppository testers, not testing suppositories. That would make...

The roms are connected to the address space, and normally are not relocatable due to using absolute addressing in the machine code.

I thought it was 3khz for the test tape. There's websites that sell them. Around $50 or more.

Yes, the serial port can go at 38400, but I'm interested in using the RS232C port because I have some older devices that I'd like to try...

Generally, when troubleshooting a boot issue, you want to look at three things, to start: Power, Clock, Reset. Check that the voltages...

If it was available, I'd order one, thanks for the link.

If the batteries are good, but the ram disk isn't working, you might have some bad components in the ram disk. It's 40 years old, so...

Just an update, I can set the 'transmit character delay' to 1ms, and enable DTR, and on the HX-20 use LOAD "COM0:68N1F" and that will...

So, I made a serial null modem cable for my HX-20, as I wanted to test if the serial port was working. It seems like it is. Here's how I...