The u014b user exit writes an absolute disk sector.
Syntax
result = oconv(write.command, ’u014b’) |
Parameter(s)
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. |
See Also