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| Commit | Line | Data |
|---|---|---|
| 5bcf8ab3 KT |
1 | .pa 1 |
| 2 | .he 'ILGINS (II)'3/15/72'ILGINS (II)' | |
| 3 | .ti 0 | |
| 4 | NAME ilgins -- catch illegal instruction trap | |
| 5 | .s3 | |
| 6 | .ti 0 | |
| 7 | SYNOPSIS sys ilgins; arg / ilgins = 33. | |
| 8 | .s3 | |
| 9 | .ti 0 | |
| 10 | DESCRIPTION ilgins\b\b\b\b\b\b______ | |
| 11 | allows a program to catch illegal instruction traps. | |
| 12 | If arg\b\b\b___ | |
| 13 | is zero, the normal instruction trap handling is done: | |
| 14 | the process is terminated and a core image is produced. | |
| 15 | If arg\b\b\b___ | |
| 16 | is a location within the program, control | |
| 17 | is passed to arg\b\b\b___ when the trap occurs. | |
| 18 | .s3 | |
| 19 | This call is used to implement the floating point simulator, | |
| 20 | which catches and interprets 11/45 floating point | |
| 21 | instructions. | |
| 22 | .s3 | |
| 23 | To return after catching the | |
| 24 | ilgins\b\b\b\b\b\b______ | |
| 25 | trap, execute the rti\b\b\b___ instruction. | |
| 26 | .s3 | |
| 27 | .ti 0 | |
| 28 | SEE ALSO PDP-11 manual | |
| 29 | .s3 | |
| 30 | .ti 0 | |
| 31 | DIAGNOSTICS -- | |
| 32 | .s3 | |
| 33 | .ti 0 | |
| 34 | BUGS -- |