u014a User Exit

The u014a user exit reads an absolute disk sector.

Syntax

result = oconv(read.command, ’u014a’)

Parameter(s)

result

Status code indicating:

00

Successful.

xx

Failed, where xx is any nonzero code.

read.command is a dynamic array that contains:

read.command<1> = drive.num, <vm>, block.num

where

drive.num

1

Drive A:

2

Drive B:

3

Drive C:

4

Drive D:

<vm>

Value mark.

block.num

Logical disk block number to read.

 

read.command<2> = mode, <vm>, table1, <vm>, table2

where

mode

1

Convert ASCII to hexadecimal.

2

Transform and prefix character.

3

Translate and delete character.

4

Transform, prefix and drop Most Significant Bit.

5

Transform, delete and drop Most Significant Bit.

<vm>

Value mark.

table1

Contains one or more hexadecimal characters to scan for on input. If there is more than one entry, then they are separated by subvalue marks.

<vm>

Value mark.

table2

Contains one or more hexadecimal characters to replace the corresponding characters from table1. If there is more than one entry, then they are separated by subvalue marks.

See Also

u014b User Exit