Calendar - for "REAL" programmers: Difference between revisions
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28 29 30 31 25 26 27 28 29 30 31 29 30 27 28 29 30 31 24 25 26 27 28 29 30 29 30 31
</pre>
=={{header|XLISP}}==
XLISP isn't case-sensitive, so in principle it would be possible just to reproduce the solution given in the "ordinary" Calendar task. But that program makes use of recursion, "fancy" data structures, long variable names, pretty-printy indentation, and a whole host of other features that I don't think REAL programmers like any better than they like lower case: so, instead, here is a version using only global variables and "<tt>DO</tt> loops like God meant them to be".
<lang lisp>(SETQ YR 1969)
(SETQ M #("JANUARY" "FEBRUARY" "MARCH" "APRIL" "MAY" "JUNE" "JULY" "AUGUST" "SEPTEMBER" "OCTOBER" "NOVEMBER" "DECEMBER"))
(SETQ ML #(31 28 31 30 31 30 31 31 30 31 30 31))
(SETQ WD #("SU" "MO" "TU" "WE" "TH" "FR" "SA"))
(IF (AND (= (REM YR 4) 0) (OR (/= (REM YR 100) 0) (= (REM YR 400) 0))) (VECTOR-SET! ML 1 29))
(SETQ D (REM (+ 1 (+ (* 5 (REM (- YR 1) 4)) (* 4 (REM (- YR 1) 100)) (* 6 (REM (- YR 1) 400)))) 7))
(TERPRI)
(DO ((I 0 (+ I 1))) ((> I 60))
(PRINC " "))
(PRINC "SNOOPY CALENDAR ")
(PRINC YR)
(TERPRI)
(DO ((I 0 (+ I 1))) ((> I 11))
(TERPRI)
(DO ((J 0 (+ J 1))) ((> J 65))
(PRINC " "))
(PRINC (VECTOR-REF M I))
(TERPRI)
(PRINC " ")
(DO ((J 0 (+ J 1))) ((> J 6))
(DO ((K 0 (+ K 1))) ((> K 16))
(PRINC " "))
(PRINC (VECTOR-REF WD J))
(PRINC " "))
(TERPRI)
(DO ((J 0 (+ J 1))) ((> J 6))
(IF (< J D) (DO ((K 0 (+ K 1))) ((> K 20)) (PRINC " "))))
(DO ((J 1 (+ J 1))) ((> J (VECTOR-REF ML I)))
(PRINC " ")
(IF (< J 10) (PRINC " "))
(DO ((K 0 (+ K 1))) ((> K 16))
(PRINC " "))
(PRINC J)
(SETQ D (+ D 1))
(IF (> D 6) (TERPRI))
(IF (> D 6) (SETQ D 0))))</lang>
{{out}}
<pre> SNOOPY CALENDAR 1969
JANUARY
SU MO TU WE TH FR SA
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
FEBRUARY
SU MO TU WE TH FR SA
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28
MARCH
SU MO TU WE TH FR SA
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31
APRIL
SU MO TU WE TH FR SA
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
MAY
SU MO TU WE TH FR SA
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
JUNE
SU MO TU WE TH FR SA
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
JULY
SU MO TU WE TH FR SA
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
AUGUST
SU MO TU WE TH FR SA
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
SEPTEMBER
SU MO TU WE TH FR SA
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30
OCTOBER
SU MO TU WE TH FR SA
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
NOVEMBER
SU MO TU WE TH FR SA
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
DECEMBER
SU MO TU WE TH FR SA
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31</pre>
=={{header|X86 Assembly}}==
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