3 ms·
> they run IBM 7074 assembly That potentially puts them in the late 50s. That might be some of the oldest running code in the world. That's pretty cool. I
by cptskippy 9y ago
> they run IBM 7074 assembly
That potentially puts them in the late 50s. That might be some of the oldest running code in the world. That's pretty cool.
I wonder if the person who wrote it is still alive?
- chx 9y agohttps://archive.org/stream/irshistoricalfac00unit/irshistoricalfac00unit_djvu.txt https://archive.org/stream/irshistoricalfac00unit/irshistori... a bit broken up but it says clearly: > January 1962 Automated data processing was officially put into operation in the IRS. https://www.irs.gov/pub/irs-soi/62dbfullar.pdf https://www.irs.gov/pub/irs-soi/62dbfullar.pdf says > --Dn September 19, 1961, less than a year following its establishment as a separate division, the Automatic Data Processing Division... So the division was likely established in 1960. This https://books.google.ca/books?id=x1YESXanrgQC&pg=PA119&lpg=PA119&dq=Martinsburg+irs+mainframe&source=bl&ots=ZJ_Ald8sY2&sig=JnDB_-3VboxS0sLF3v0GQub_xKs&hl=en&sa=X&ved=0ahUKEwiS1p7V7-PaAhUM2GMKHfveAHc4ChDoAQg0MAQ#v=onepage&q=Martinsburg%20irs%20mainframe&f=false https://books.google.ca/books?id=x1YESXanrgQC&pg=PA119&lpg=P... history corroborates by saying the treasury authorized the IRS to computerize fully in 1959. They were 7074, we know that from http://blog.modernmechanix.com/big-brother-7074-is-watching-you/ http://blog.modernmechanix.com/big-brother-7074-is-watching-... Popular Science but also that some docs from 2016 says https://www.irs.gov/pub/irs-utl/scap-pia.pdf https://www.irs.gov/pub/irs-utl/scap-pia.pdf > SCAP downloads Corporate Files On-Line (CFOL) data from the IBM mainframe at the Enterprise Computing Center, Martinsburg. The CFOL data resides in a variety of formats (packed decimal, 7074, DB2, etc.). > That might be some of the oldest running code in the world. https://www-03.ibm.com/ibm/history/exhibits/dpd50/dpd50_chronology2.html https://www-03.ibm.com/ibm/history/exhibits/dpd50/dpd50_chro... says The IBM 9090 SABRE airline reservation system begins to be installed by American Airlines in 1961. That makes SABRE contemporaneous with the IRS Master Files or slightly older. I do not know, however, how much of that code is running today.