BillG Posted April 15, 2020 Share Posted April 15, 2020 I discovered this several months ago: https://www.corshamtech.com/ss-50-65...rd-experiment/ So I contacted Bob Applegate and told him that I have been working on a debugger for the 6502 and will convert it into a monitor. We were talking about operating systems. Most of the popular ones on the 6502 are wrapped tightly around its host hardware. None of them were anything like a CP/M or MS-DOS which can be readily adapted to a new system. I brought up the OSI DOS. He said that he had looked at it and thought it was “clunky.” I had to agree because the user had to manually allocate disk tracks. There is DOS/65, a CP/M clone, but there is not much information available on how to adapt it and build a boot disk. While working on adding support for his SD card “disk system” in my debugger/monitor, I had a thought. Why not build a clone of FLEX for the 6502? I started working on it and have most of the command line interface of the DOS portion working and can boot it off of a virtual disk in my emulator. Next up are disk drivers then the file system. This morning, I reached out to Dave , local Ohio Scientific expert and owner of http://www.osiweb.org/ , for his input. We have been having some interesting discussions. More to come… 4 Quote Link to comment Share on other sites More sharing options...
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