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You don’t need the cable to use the card. I don’t think there is any real reason the cables are expensive, beyond the fact that they seem rarer than the cards (people toss unusual cables all the time; less so installed expansion cards). I don’t think you can use disk images, but you can use the...

It’s commonly called the “Y-Cable”. The card has all of the pins for a joystick and a floppy port. The Y-Cable breaks them out into separate DE-9 and DB-19 connectors. You can find cheaper replacements for the Y-cable online, depending on what you want to plug in (Apple joystick or none; Apple...

As far as I can tell, the JLPGA logo at that time (and the LPGA logo) were just green and white, so I don't know where the colors would have came from. The colors decently match the current LPGA logo, but that logo wasn't in use until 2007.

Which 5.25" drive are you using? The only 5.25" drive compatible with the IIe card is the A9M0107.

qemu can simulate architectures on which qemu itself can run, can’t it? Perhaps you can simply nest qemu until emulation crawls as slowly as you’d like.

This is cool, but do keep in mind what you’re up against! The Game Boy executes instructions at 1 MHz and the Plus at 8 MHz, so full speed would mean executing cpu_step() in well under 8 cycles (to leave room for the PPU and sound). It would be nice to see it running playable games, whatever the...

@Huxley runs Retro Roadshow around San Francisco. Not sure if they’re back to doing regular events yet.

I think you would find it much easier to bypass the Wombat for power-on. ADB power-on works by shorting pin 2 (PSW) to ground. The front panel power button probably does the same or the reverse. If you intercept pin 2 between the keyboard and Wombat, you should need minimal circuitry.

If you're just talking about the connector, then 4P4C. If you're talking about the protocol, then I've seen and used “M0110” after the keyboard model number. Searching for “M0110 protocol” will get you information about it.

There are a few things I’d consider: Driving the monitor with the wrong resolution or rate could damage it. Are you sure that you’ll never accidentally use the wrong settings? (if you zap the PRAM, or the PRAM battery dies, or you just change something in the control panel) Does the monitor use...

You said you see traffic in the debug output from both Macs, right? Is there a mismatch in the network numbers? Are you able to set a network number on the bridge? I don’t have a hardware bridge, but I have (unsuccessfully) used a Mac with LocalTalk Bridge. I would be interested in knowing if...

I haven’t yet gotten that sort of setup working; the working theory is that it’s related to AppleTalk’s network number. I assume that the bridge somehow provides a network number to the Plus, but nothing in multitalk instructs Mini vMac that it is running on an extended network.

I’m looking forward to using one of these, so I dug out my code and did some irrelevant logging stuff just to get a bit more familiar with it again. Probably need to get my development systems set up again; I remember there being stuff about default networks that I never quite figured out.

JDW has an analog recapping guide video with a linked Mouser cart of capacitors. Based on his picture of capacitor locations, it’s for a US analog board. (Japan is international but 100V, so you see both kinds here)

Assuming your IIci PSU is like my Q700 PSU (Delta Electronics), then shorting pin 9 (/PFW, non-square, white) to pin 10 (+5V trickle, non-square, orange) as shown in the above picture should do it. When I did it, the fan started, but I didn’t check the voltages. They might be incorrect while...

I think all told you would need something along the lines of: A ROM that knows to toggle a particular bit in memory to access a third floppy drive A VIA that maps that bit in memory to an output pin A mux that uses that output pin to split /ENBL2 into two signals It’s hard to say how much work...

Hmm. How many machines without a floppy port have two internal floppies? On single-floppy systems (say, a Q700), I’d assume that the /ENBL2 pin still exists, unused, on the SWIM chip. If you could tap into that, it would let you add a second floppy. Still no guarantee that ROM support for the...

That should be all the hardware that's needed, but you're almost certainly going to need a ROM that knows how to handle that extra enable bit too.

According to my understanding, the IWM has two enable pins (/ENBL1 and /ENBL2), which allow it to natively control two different floppies, so the simple answer is two. But beyond that, it’s possible for software and hardware on either side of it to cooperate in a way that enables additional...

Have you tried getting two of your adapters talking so that you get a look at the transmitting and receiving ends at the same time? I’d like to give it a go, or at least do some more work on multitalk to the point where it’s useful to you. I don’t remember exactly how well I was doing at...