| 1 | / |
| 2 | / |
| 3 | / T A N D |
| 4 | / - - - - |
| 5 | / |
| 6 | /SUBROUTINE TAND(X) |
| 7 | / |
| 8 | / VERSION 5A 4-27-77 PT |
| 9 | / |
| 10 | SECT TAND |
| 11 | JA #TAND |
| 12 | TEXT +TAND + |
| 13 | TANDXR, SETX XRTAND |
| 14 | SETB BPTAND |
| 15 | BPTAND, FNOP |
| 16 | 0 |
| 17 | 0 |
| 18 | XRTAND, F 0.0 |
| 19 | TAND91, 6 |
| 20 | 3451 |
| 21 | 3560 |
| 22 | TAND1, F 0.0 |
| 23 | ORG 10*3+BPTAND |
| 24 | FNOP |
| 25 | JA TANDXR |
| 26 | 0 |
| 27 | TNDRTN, JA . |
| 28 | BASE 0 |
| 29 | #TAND, STARTD |
| 30 | FLDA 10*3 |
| 31 | FSTA TNDRTN |
| 32 | FLDA 0 |
| 33 | SETX XRTAND |
| 34 | SETB BPTAND |
| 35 | BASE BPTAND |
| 36 | LDX 1,1 |
| 37 | FSTA BPTAND |
| 38 | FLDA% BPTAND,1 /ADDR OF X |
| 39 | FSTA BPTAND |
| 40 | STARTF |
| 41 | FLDA% BPTAND /GT X IN DEGREES |
| 42 | FDIV TAND91 /CONVERT TO RADIANS |
| 43 | FSTA TAND1 |
| 44 | EXTERN TAN |
| 45 | JSR TAN /CALL THE TANGENT |
| 46 | JA TNDRTN |
| 47 | JA TAND1 |
| 48 | \f |