The following table lists hexadecimal operation codes that appear in the output display of the Com-plete DISPLAY and DTASKS commands:
| Command | Code | Meaning |
|---|---|---|
| WRT | 00 | Write data to terminal |
| WRTT | 01 | Write text to terminal |
| WRTS | 02 | Special terminal write |
| WRTSE | 03 | Special terminal write with erase |
| WRTM | 06 | Map write |
| READB | 07 | Read buffer |
| WRTSF | 08 | Write structured field |
| READ | 10 | Read terminal |
| READR | 11 | Read terminal with reset |
| READS | 12 | Special terminal read |
| READSR | 13 | Special terminal read with reset |
| READM | 16 | Map read |
| READMR | 17 | Map read with reset |
| MESGSW | 20 | Message switch |
| PSOPEN | 21 | Open printout spool data set |
| PSPUT | 22 | Put line to printout spool data set |
| PSCLOS | 23 | Close printout spool data set |
| TFGET | 30 | File I/O GET function |
| TFPUT | 31 | File I/O PUT function |
| TFGETU | 32 | File I/O GET for update function |
| TFPUTU | 33 | File I/O PUT for update function |
| TFENQ | 34 | File I/O enqueue |
| TFDEQ | 35 | File I/O dequeue |
| SDCLOS | 3F | Close SD file |
| SDOPEN | 40 | Open SD file |
| SDDEL | 43 | Delete SD file |
| PWRT | 45 | Write data page |
| POPEN | 44 | Open paging file |
| SDWRT | 41 | Write SD file |
| SDREAD | 42 | Read SD file |
| PWRTT | 46 | Write text page |
| PWRTS | 47 | Write special page |
| PWRTSE | 48 | Write special page with erase |
| PREAD | 49 | Read page |
| PLIMIT | 4A | Set page high and current for queue page file |
| CAPTUR | 4B | Capture a record |
| EOJ | 4C | End of job |
| GETCHR | 4D | Obtain terminal characteristics |
| LOAD | 4E | Load a phase |
| LOADT | 4F | Load a phase and transfer control to it |
| FETCH | 50 | Fetch a phase |
| ABEND | 51 | Abend a phase |
| SNAP | 52 | Take a thread dump |
| VSOPEN | 54 | VSAM Open |
| VSCLOS | 55 | VSAM Close |
| GETDSN | 56 | Get VSAM dataset name |
| RSRGET | 57 | Get resource |
| RSRFRE | 58 | Free resource |
| WTO | 59 | Write to operator console/log |
| SETEID | 5A | SETEID operation |
| RJE | 5B | RJE operation |
| LEPIPI | 5C | Call LE via LEPIPI |
| SECURE | 5D | Security validation |
| ABEXIT | 5F | Set/Delete Abend exit |
| COMSEC | 60 | Com-plete Security |
| STACK | 61 | STACK function |
| MODIFY | 62 | MODIFY function |
| FLIP | 63 | Change stack level |
| CPUTIME | 7B | Get CPUtime used |
| DATE | 7C | Get date |
| JDATE | 7D | Get Julian date |
| TIME | 7E | Get time |
| GETMAD | 7F | Get monitor addresses |
| CMWAIT | 80 | Wait for ECB |
| CMPOST | 81 | Post ECB |
| ROLOUT | 82 | Rollout |
| TESTAT | 83 | Test attention |
| ATTACH | 85 | ATTACH program |
| ADABAS | 86 | Adabas call |
| USER1 | 87 | Customer specific call |
| USER2 | 88 | Customer specific call |
| COLINK | 89 | Com-plete LINK operation |
| COXCTL | 8A | Com-plete XCTL operation |
| COLOAD | 8B | Com-plete LOAD operation |
| CODEL | 8C | Com-plete DELETE operation |
| GETMAIN | 8D | Com-plete GETMAIN operation |
| FREEMAIN | 8E | Com-plete FREEMAIN operation |
| SCHED | 8F | Schedule program |
| EXIT | 90 | Leave program with COEXIT |
| NBPM | 92 | Natural buffer pool manager |
| GRAPHICS | 93 | GRAPHICS setup |
| COMSTOR | 94 | Common storage processing |
| ROLEVT | 95 | Roll-for-event processing |
| SERVER | 96 | Get info from server |