APPLE CRAPPLE

This has been a fun month. I am really excited that I completed one project and hopefully provided a useful tool to the Apple II community....

I can die happy. After spending most of last night and this evening making small speed refinements to get a Karateka disk image to work, wit...

I figured I would try to get started on disk writing today, even though I doubt I can finish it before the end of the month. While I was wo...

Finding ways to reduce the latency between sector transfers is getting tougher and tougher. The UM232H writes and reads packets with low lat...

I have been experimenting with disk images with mixed success.  ProDos based system utilities disks work fine. No luck with Karateka though ...

I did it! I got a disk image to read on the Apple IIe! I had to make a few more changes to reduce the latency between sector transfers to an...

While I was working on testing out different possible SPI speed settings and byte configurations, I started thinking more about ways to get ...

So far, I have been shooting in the dark trying to get the Disk ][ emulator to work. I have no way to tell what the Apple IIe is getting as...

Today I took some time to: reconfigure my hardware to use the 74LS161 counter replace the 74LS151 with a 74LS251 multiplexer (same but wi...

This past week I spent most of my free time after work writing code. Mostly: a main loop lots of logging functions a function to transla...

Finally, I am able to read some consistent bytes from the controller card that look like I would expect! However, I am not totally sure why ...

I have been struggling to get libftdispi to output anything of use and dealing with libmpsse constantly freezing the UM232H, so I decided to...

Here is the schematic that I have been working on for the past week, and my first attempt to breadboard the input portion so I can read the ...

While I am working on the layout of my Apple Disk ][ emulator, I thought I would give a bit of background on the Disk ][ and my plan to conq...

] PRINT "HAPPY NEW YEAR!" For the first day of the Retrochallenge, I tackled what appeared to be the easiest project: getting my...

I took some time this weekend to get a jump on the Retrochallenge . As the Disk ][ emulator will be my first hardware build from the ground...

Add another challenge for me.  Since I expect to be working on both my Apple IIs to fix them up, I wanted to get one that I could just work ...

To prepare for my Retrochallenge project to build an Apple Disk ][ emulator, I have been researching some 'prior art' on the subjec...

I just noticed the call to arms for the Retrochallenge 2013 Winter Warmup . I tried to enter in the past, with no luck. In fact, I never ...

So my UPS delivery date of the router was just updated to August 3rd. I am out before I really even began. Oh well, I have some good projec...