Topic : The ATARI Compendium
Author : Scott Sanders / JAY Software
Version : 1.25 (20/6/2003)
Subject : Documentation
Nodes : 1117
Index Size : 32614
HCP-Version : 6
Compiled on : Atari
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View Ref-FileBconin()Cconis()Cauxis()Bconstat() BIOSSyntaxLONG Bconstat( dev )
WORD dev;
Function Bconstat() determines whether the specified device is
prepared to transmit at least one character.
Opcode 1 (0x01)
Availability All TOSversions.
Parameters dev specifies the device to check as listed under Bconin().
Binding move.w dev,-(sp)
move.w #$01,-(sp)
trap #13
addq.l #4,sp
Return Value Bconstat() returns 0 if no characters are waiting or -1 if
characters are waiting to be received.
See Also Bconin(), Cconis(), Cauxis()