The u014b user exit writes an absolute disk sector.
result = oconv(write.command, ’u014b’)
| result | A status code indicating: | |
| 00 | Successful. | |
| xx | Failed, where xx is any nonzero code. | |
| write.command | write.command<1> = drive.num , <vm>, block.num | |
| drive.num | 1 = Drive A: 2 = Drive B: 3 = Drive C: 4 = Drive D: |
|
| <vm> | Value mark. | |
| block.num | Logical disk block number to write. | |
| write.command<2> = mode | ||
| Can be: | ||
| 1 | Convert hexadecimal to ASCII. | |
| write.command<3> | u014b | |
| write.command<4> | A sector’s worth of data to write, in 1024 2-digit hexadecimal characters, which corresponds to a 512-byte sector. | |