QDOS Internals

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====== SD_RECOL/IOW_RCLR ======
This trap recolours a window.

^Call Parameters^^Return Parameters^^
|D0.B|$26|D0.L|Error code.|
|D1.L|Unused.|D1.L|Corrupted.|
|D3.W|Timeout.|D3.L|Preserved.|
|A0.L|Channel ID.|A0.L|Preserved.|
|A1.L|Pointer to colour list.|A1.L|Corrupted.|

===== Errors =====


|ERR_NC|Not complete.|
|ERR_NO|Channel not open.|


===== Notes =====
  * All registers not shown above are not used on entry and are preserved on exit.
  * The colour list to which A1.L points is eight bytes long containing the new colours. For mode 4 only bytes 0, 2, 4 and 6 need be specified.
  * The contents of the window are left unaltered. Only the colours are changed.
  * This trap does not work with GD2 colours.

===== Example =====
The example below shows the use of this trap call to alter colours. It is assumed that the mode is 8 and that the ID of the window's channel is in A0. This will change black to green, blue to yellow and so on.

<code>
color   moveq   #$26,d0         ; SD_RECOL
        lea     newcol,a1       ; Colour list
        moveq   #-1,d3          ; Timeout
        trap    #3              ; Alter the colours
        ...                     

newcol  dc.b    4,6,1,7,0,3,5,2 ; New mode 8 colours for black, blue,
                                ; red etc.
</code>

QDOS Internals

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