News for hackers. Stuff that matters.
Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by kpgraham on Wednesday January 08, 2020 @07:04PM (#21997142)
This mode was well known in the mid 80s. I wrote a shareware demo of the super color mode in masm that swirled and formed patterns. This had to be around 86 or 87. (That code is sitting on an old mfm disk that I can't read). It was a fun mode, but too jaggy to do much with.
Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by zozbot234 on Wednesday January 08, 2020 @07:12PM (#21997200)
If you actually have diskettes from that era that you care about, you might want to image them using a low-level magnetic flux reader - the devices are actually quite inexpensive, and this would ensure that the data is preserved for the foreseeable future.
Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by burnte on Wednesday January 08, 2020 @08:58PM (#21997802)
Well, he said an old MFM drive, so he's probably referring to an MFM hard drive rather than diskettes. That was the common parlance for MFM HDDs back then.
Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by DougMerritt on Wednesday January 08, 2020 @10:14PM (#21998240)
> you might want to image them using a low-level magnetic flux reader - the devices are actually quite inexpensive

Link? Googling that term shows at most probes that register a single scalar value, not something that can image a diskette. (Nor were those "quite inexpensive")

Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by kalleboo on Thursday January 09, 2020 @12:14AM (#21998745)
I wouldn't agree with "quite inexpensive" (start at $100~$200 and then you need a drive as well) but there are some of the options out there for low-level magnetic floppy imaging.

https://applesaucefdc.com

https://www.kryoflux.com

https://discferret.com/wiki/DiscFerret

Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by exikyut on Thursday January 09, 2020 @01:44AM (#21999049)
As an alternative to going hunting for hardware that will read your MFM disks, you might also have an idle look around for retrocomputing groups that are nearby(ish). Someone might live within a viable distance, or you might be able to bring the disks to a meetup. I understand sending disks off is also a thing, but given their age and the weakness of the magnetic fields in them I'd shy away from subjecting them to potential erasure via postal conditions. Unsure if this perspective is overparanoid.
Re:CGA in 1024 Colors – A New Mode: The Illustrated Guide (2... by polpo on Wednesday January 08, 2020 @10:45PM (#21998386)
How many colors were you able to get with moving graphics? From the article the CRTC hacking needed to get the last 512 colors is too CPU intensive for anything but static images on an 8088.