software: Added more and more
[pdp8.git] / sw / f4 / FRTSRC / cosd.ra
... / ...
CommitLineData
1/
2/
3/
4/ C O S D
5/ - - - -
6/
7/SUBROUTINE COSD(X)
8/
9/ VERSION 5A 4-27-77 PT
10/
11 SECT COSD
12 JA #COSD
13 TEXT +COSD +
14COSDXR, SETX XRCOSD
15 SETB BPCOSD
16BPCOSD, FNOP
17 0
18 0
19XRCOSD, F 0.0
20COSD90, F 90.
21COSD91, 6
22 3451
23 3560
24COSD1, F 0.0
25 ORG 10*3+BPCOSD
26 FNOP
27 JA COSDXR
28 0
29CSDRTN, JA .
30 BASE 0
31#COSD, STARTD
32 FLDA 10*3
33 FSTA CSDRTN
34 FLDA 0
35 SETX XRCOSD
36 SETB BPCOSD
37 BASE BPCOSD
38 LDX 1,1
39 FSTA BPCOSD
40 FLDA% BPCOSD,1 /ADDR OF X
41 FSTA BPCOSD
42 STARTF
43 FLDA% BPCOSD /GET X IN DEGREES
44 FADD COSD90 /ADD IN 90
45 FDIV COSD91 /CONVERT TO REDIANS
46 FSTA COSD1
47 EXTERN SIN
48 JSR SIN /CALL THE SINE
49 JA CSDRTN
50 JA COSD1
51\f