# ud0ba user exit

The ud0ba user exit reads a character
byte from a serial port.

## Syntax

```
char = oconv(port.num, ’ud0ba’)
```

## Description

| char | Byte that is returned. |
| --- | --- |
| port.num | Dynamic array: |
| port.num | 4-digit hexadecimal port address. |
| port.num | Dummy value. |

## See also

- [get statement](https://d3codex.com/pickbasic-flashbasic/get-statement/)
- [$chain directive](https://d3codex.com/pickbasic-flashbasic/dollar-chain-directive/)
- [ue0ba user exit](https://d3codex.com/pickbasic-flashbasic/ue0ba-user-exit/)

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Source: https://d3codex.com/pickbasic-flashbasic/ud0ba-user-exit/ - part of the D3Codex reference.