BLISS

BLISS is a programming language created in 1969 by William Wulf.

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BLISS is a system programming language developed at Carnegie Mellon University by W. A. Wulf, D. Read more on Wikipedia...

BLISS Wikipedia page
BLISS first developed in Carnegie-Mellon University
BLISS on HOPL
See also: (5 related languages)MIPS architecture, IA-32, Algol, C, DOI
Read more about BLISS on Semantic Scholar: 1.
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Example from Wikipedia:

MODULE E1 (MAIN = CTRL) =
BEGIN
FORWARD ROUTINE
    CTRL,
    STEP;
ROUTINE CTRL =
!+
! This routine inputs a value, operates on it, and
! then outputs the result.
!-
    BEGIN
    EXTERNAL ROUTINE
        GETNUM,     ! Input a number from terminal
        PUTNUM;     ! Output a number to terminal
    LOCAL
        X,          ! Storage for input value
        Y;          ! Storage for output value
    GETNUM(X);
    Y = STEP(.X);
    PUTNUM(.Y)
    END;
ROUTINE STEP(A) =
!+
! This routine adds 1 to the given value.
!-
    (.A+1);
END
ELUDOM

Feature	Supported	Token	Example
Comments	✓		! A comment
Line Comments	✓	!	! A comment
Semantic Indentation	X

BLISS - Programming language

Language features