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Looking good Rob! I think the two DRAM types are nearly equivalent, or at least I'm sure I've had both types in my Dragons. I found this handy reference the other day. Might be of use: https://minuszerodegrees.net/memory/4164.htm Those 3 connectors look like DIN41612 type B 64 way to me, probably so...

Ah, so this is where all the fun is happening! That's awesome :) I could be wrong but I think the majority of 256K drams had 8 bit refresh. After that the industry moved to CBR refresh and you didn't need a refresh counter any more. I'm curious to know if the logic to recreate the glitching is using...

The original definitely required 64K. Browsing the disk contents reveals elements of the Flex OS, which lives in high memory. The third sector appears to contain some map0/map1 switching code. I don't want to look too closely as I would like to play the game properly without spoilers :) Compressing ...

The attached zip contains three disk image files: - A clean .scp flux image captured from an original disk - An .xml file converted from the .scp file by hxc floppy emulator software - A .dmk file that will run in xroar (type BOOT to run) Edit: Needs a 64K machine to run The original disk is mixed d...

A pleasure as always to catch up with everyone, and much gratitude to Tony of course for making this happen

bluearcus wrote: ↑Sun May 14, 2023 4:30 pm Dale L. Puckett's KISSable OS9 column published an original banker board OS9 ramdisk drive and source code by William Good

Somewhat bizarrely, (and perhaps way too late!) I've found a disk with that source code on it, among other things.

A nice collection of OS9 User Group news disks to geek out on

Hi Pere, Could you make use of the following batch commands to create a file called 'files.inc' that can be included in the main assembly? echo ; files to include > files.inc for %%f in (*.PTM) do echo include.bin "%%f" >> files.inc asm6809 ... Note the extra spaces between 'echo' and 'include.bin' ...

Hi Stew! It's been a while, you keeping well? Hi Tony, I'm good thanks, apart from the day job sucking the life out of me. Starting to regret not working harder in my youth :lol: Hope you're keeping well too. I really admire what you're doing on Twitter btw. Edit: Double post. That's a new one!

tjewell wrote: ↑Mon May 01, 2023 5:57 pm Hi Stew! It's been a while, you keeping well?

Hi Tony, I'm good thanks, apart from the day job sucking the life out of me. Starting to regret not working harder in my youth

Hope you're keeping well too. I really admire what you're doing on Twitter btw.