Southampton BASIC System: Difference between revisions

Revision as of 15:37, 30 December 2009

Revision as of 15:37, 30 December 2009

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{{see also|SOB}}

'''Southampton BASIC System''' (SOBS} was a dialect of the [[BASIC]] programming language developed for and used on [[ICT 1900]] series computers in the late 60s and early 70s; it was implemented under the [[MINIMOP]] operating system at the [[University of Southampton]].<refxyzzyxyzy>

{{cite web

| last = Rees

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| work = Software

| publisher = Wiley InterScience

| date = {{Subst:Date|subst=Subst:|21 January 1977}}

| url = http://www3.interscience.wiley.com/journal/113444749/abstract?CRETRY=1&SRETRY=0

| format =

| doi = 10.1002/spe.4380070508

| accessdate = {{Subst:Date|subst=Subst:|18 May 2009}}

}}</refxyzzyxyzy>

It was operated from a [[teletype]] terminal.

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|}

Support for strings was more limited, with only one function, <code>LEN</code>, which returned the length of the string parameter. Sub-strings were supported with square brackets, so <code>A£[2,3]</code> referredxyzzyxyzyerred to the sub-string of the string <code>A£</code> from the 2nd character to the 3rd character inclusive, so

10 LET A£ = "FOO"

20 PRINT A£[2,3]