The following message is a courtesy copy of an article that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Mark Waterbury) writes: > Does anyone recall how to determine the one byte value that results > from a column on an 80-byte card that was "overpunched" with the 0-8-2 > holes punched out? Please tell me, in hex, e.g. X'82' (for example > only). Thanks. greencard is your friend ... although my online version doesn't have the punch card codes (quick&dirty conversion of old gcard ios3270): http://www.garlic.com/~lynn/gcard.html however, this reference has punch card codes (as well as hex to character codes) http://www.cs.uiowa.edu/~jones/cards/codes.html table from above ... the table labels rows (from top-to-bottom): 12, 11, 10, 1, ..., 9. Other common use has row "10" referred to as "0". 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0 ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ 0|NUL| |DS | |SP | & | - | | | | | | | | | 0 |0 |__1|___|__2|___|__3|__4|__5|___|___|___|___|___|___|___|___|___| 1| | |SOS| | | | / | | a | j | | | A | J | | 1 |1 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 2| | |FS | | | | | | b | k | s | | B | K | S | 2 |2 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 3| |TM | | | | | | | c | l | t | | C | L | T | 3 |3 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 4|PF |RES|BYP|PN | | | | | d | m | u | | D | M | U | 4 |4 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 5|HT |NL |LF |RS | | | | | e | n | v | | E | N | V | 5 |5 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 6|LC |BS |EOB|UC | | | | | f | o | w | | F | O | W | 6 |6 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 7|DEL|IL |PRE|EOT| | | | | g | p | x | | G | P | X | 7 |7 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 8| | | | | | | | | h | q | y | | H | Q | Y | 8 |8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 9| | | | | | | | | i | r | z | | I | R | Z | 9 |9 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| A| | | | | ¢ | ! | | : | | | | | | | | |2-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| B| | | | | . | $ | , | # | | | | | | | | |3-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| C| | | | | < | * | % | @ | | | | | | | | |4-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| D| | | | | ( | ) | _ | ' | | | | | | | | |5-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| E| | | | | + | ; | > | = | | | | | | | | |6-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| F| | | | | | | ¬ | ? | " | | | | | | | | |7-8 |___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___| 12 11 10 12 11 10 12 11 10 12 11 10 9 9 9 10 12 11 10-2-8 (aka, 0-2-8) is x'6A'. I still remember 12-2-9 (x'02') as column one of compiler and assembler outputs ... i.e. ESD, TXT, etc cards. maybe, I add the above table to my gcard.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html