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Routines |
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The address of this routine is found in the table of addresses. It is called indirectly via fp_calc_2.
This subroutine handles the function TAN X. It simply returns SIN X/COS X, with arithmetic overflow if COS X=0.
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| tan | 14298 | RST 40 | X | |
| 14299 | DEFB 49 | duplicate: X, X | ||
| 14300 | DEFB 31 | sin: X, SIN X | ||
| 14301 | DEFB 1 | exchange: SIN X, X | ||
| 14302 | DEFB 32 | cos: SIN X, COS X | ||
| 14303 | DEFB 5 | division: SIN X/COS X=TAN X (report arithmetic overflow if needed) | ||
| 14304 | DEFB 56 | end_calc: TAN X | ||
| 14305 | RET | Finished: 'last value'=TAN X. | ||
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