#internetarchive 2017-03-13,Mon

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21:52 🔗 Hobart SketchCow -> ever worked with retrieving data from late-60s era punched card decks? :)
21:55 🔗 xmc Hobart: i haven't but i'm interested ...
21:56 🔗 xmc if i were you i would bodge something together involving a sheetfeeding scanner and some quick image processing code
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21:58 🔗 Hobart xmc -> the card deck is small enough that I'm having the owner scan it up as a PDF and I'm going to tediously transcribe it by hand, from what I've been able to Google, the common practice was to use the last 5-10 columns to preserve card order in a deck ... and the data has some checksum totals that'll probably work out.
22:01 🔗 xmc oh gosh
22:01 🔗 xmc how many cards is it?
22:01 🔗 Hobart (old vector font data)
22:01 🔗 xmc mmmmph you have my attention
22:05 🔗 DFJustin https://github.com/felipesanches/PunchedTapeScanner
22:05 🔗 xmc oh this is better than i expected
22:05 🔗 xmc hm though
22:05 🔗 xmc tape
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22:09 🔗 Hobart mmmm, I'm guessing around 16K worth of data total
22:10 🔗 xmc not gonna be fun to do by hand
22:11 🔗 Hobart (the BSD game 'ppt' item has a to/from translator for papertape ASCII but I think manually slurping the data out with patience and vim will work ;)
22:11 🔗 DFJustin can try asking in #mame on freenode, I know people have been using software for reading mask rom die photos
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22:20 🔗 Hobart xmc -> Each card holds 80col, the card data is roughly like http://i.imgur.com/gTTxv0Y.png (almost all bytes will be ASCII [EBCDIC?] '0'-'9')
22:21 🔗 xmc hm
22:21 🔗 xmc not sure what that is saying exactly, but yeah. it'll be numbers, one hole per column
22:22 🔗 xmc or more
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23:01 🔗 Hobart xmc -> I'm each column will represent an EBCDIC or ASCII 0-thru-9 or SPACE , so hopefully the transcription burden won't be too crazy. :)
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23:02 🔗 xmc yeah, should be pretty straightforward
23:02 🔗 xmc that picture, without context, is confusing

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