biosprint

Syntax

#include <stdio.h>

int biosprint(int cmd, int byte, int port)

Description

command = 0

byte is sent to parallel port port.

command = 1

Parallel port port is reset and initialized.

command = 2

The status of parallel port port is returned.

7654 3210  Meaning

---- --X  Timeout
---- -XX-  Unused
---- X--  I/O Error
---X ----  Selected
--X- ----  Out of paper
-X-- ----  Acknowledged
X-- ----  Idle

Return Value

The printer status.

Example

while (*c)
  biosprint(0, *c++, 0);

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