Here is a sample disk created with mkfs.cpm ... The diskdefs are:
diskdef s100ide On Saturday, June 14, 2014 2:13:22 PM UTC-5, David Fry wrote: > > Hi Dave, > > thats right on a 64 sector border, this may be where my -1 or +1 sector > correction may be wrong. > > regards > > David Fry > On Saturday, June 14, 2014 8:00:09 PM UTC+1, yoda wrote: > >> Hi David >> >> Sounds like a plan. I have made one and when it boots with debug >> CPMLDR.COM reads LBA 3F and 40 then stops - that is where I am at. Let >> me dig up an image and I will post here for you to look - at - think it is >> pretty close >> >> Dave >> >> >> On Saturday, June 14, 2014 1:48:33 PM UTC-5, David Fry wrote: >>> >>> Hi Dave, >>> >>> If we can get the 'No holes' CF card layout to be compliant with cpmtool >>> then that has to be the way to go as it will make life much easier. >>> As I said in a previous post, I welcome this 'no holes' lba to be picked >>> apart to get it right before we go too far down the road and find problems >>> later. >>> >>> I'm a little busy at the moment with various other aspects of my S100 >>> system with the little time I have to spend on it,(summer is coming after >>> all :-) ) >>> If you can knock together a quick image with a CPMLDR.COM and CPM3.SYS >>> (doesnt matter what system it's for) then we could take a look to see how >>> the layout differs. >>> My layout was derived from where CPMLDR was looking to find data. >>> >>> regards >>> >>> David Fry >>> On Saturday, June 14, 2014 7:30:00 PM UTC+1, yoda wrote: >>> >>>> why not take a look at the cpmtools set. It has a program called >>>> mkfs.cpm that will make a file as a cpm filesystem. You can specify a >>>> boot >>>> image which it will lay down in the boot sectors. You can then use cpmcp >>>> to copy files to the cpm filesystem. Then you can take the file and write >>>> it block by block to the CF card. I did this originally to get my system >>>> up and running. I actually used dd (a utility on linux or Mac) to write >>>> it >>>> to the CF. I actually wrote a little script to take the file image and >>>> add >>>> the "holes" back in so it would work with your BIOS. I went back and >>>> tried >>>> it with the no hole version and had some difficulties that I have not >>>> straightened out yet. I don't know if I did something wrong or David >>>> Fry's >>>> LBA routine is not doing what I thought it did. I have not gone back and >>>> investigated yet but with David's help we can probably probably get this >>>> resolved. The procedure would go like this: >>>> >>>> 1) mkfs.cpm -f s100ide -b dummy.file -b CPMLDR.COM s100.dsk >>>> >>>> where s100ide is an entry in diskdefs that specifies the geometry of >>>> the drive >>>> dummy.file is a 512 byte empty file to get CPMLDR.COM to be in the >>>> correct sector start. >>>> s100.dsk is the file that represent the disk image. >>>> >>>> 2) cpmcp -f s100ide s100.dsk CPM3.SYS 0: >>>> cpmcp -f s100ide s100.dsk <cpm file> 0: copies <cpm file> to >>>> user area 0 on disk image >>>> continue until you have all the files you want on the disk >>>> >>>> 3) use a disk image write tool (dd on Linux or Mac) to write s100.dsk >>>> to CF card >>>> >>>> Here is a link to the cpmtools: http://www.moria.de/~michael/cpmtools/ >>>> These tools run on Windoze for those that use that OS and easily >>>> compiled >>>> for Mac or Linux. >>>> >>>> This is the way I am building my images for CP/M 68K that I am >>>> currently working on. >>>> >>>> I think getting the diskdefs set write and a good writeLBA routine and >>>> we should be able to get the procedure down. >>>> >>>> Dave >>>> >>>> On Saturday, June 14, 2014 11:31:49 AM UTC-5, monahanz wrote: >>>>> >>>>> Guys, it’s great to see all the progress and uptake this simple >>>>> little IDE board has generated. Thomas in particular congratulations >>>>> on putting so much time and effort into “hammering into shape” the >>>>> process >>>>> for first time installs. It helps tremendously but I think it will >>>>> still be difficult for some people to do. We all should remember >>>>> how it was when we first started! >>>>> >>>>> >>>>> >>>>> I’m wondering if somebody out there could spend the time writing a >>>>> PC/MSDOS based program to setup a CF card for first time users. If >>>>> we agree the IDE board ports start at 30H, the only variable would be the >>>>> console I/O. This could be either spliced into the final disk image >>>>> with the above program (leaving room in the base code with NOP’s) or by >>>>> answering a Q&A session and inserting code like the old XMODEM programs >>>>> did. >>>>> A CF card is laid down as Dave describes and is checked out. Once the >>>>> image is laid down it can be dumped sector for sector any CF card >>>>> (no holes of course). The image can even include a few CPM programs. >>>>> Probably best to start with a non-banked CPM3 image. This program >>>>> would run on a standard PC, format the CF card and write the image sector >>>>> by sector. Not sure if Windows 7,8 allows you to do that easily but >>>>> there must be a way. >>>>> >>>>> >>>>> >>>>> This would allow anybody not as sophisticated as some of us, to get >>>>> going right away and allow them to write more elaborate CPM3.SYS files >>>>> that >>>>> include a FDC, printer etc. in the BIOS for their own hardware. >>>>> >>>>> I think something like this would be a tremendous asset for first time >>>>> S100 users. >>>>> >>>>> >>>>> >>>>> Any volunteers? >>>>> >>>>> John >>>>> >>>>> >>>>> >>>>> >>>>> >>>> -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. 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