| From: | Sami N��t�nen |
| Date: | 14 Aug 2000 at 21:43:38 |
| Subject: | Re: CopperWait |
On 05-Aug-00, Tom Allerton wrote.
Correct way is to wait the last line last x position ie (127,255)
and then wait yposition-256 xposition less than 127 for lines beyond
the line 255.
> Hi,
>
> Does anyone know how to insert a copperwait instruction after line 255?
> I`ve been told you must wait for the end of line 255 and then wait for
> line ypos-256, so using the CopperWait command from the RICopperFX library
> I tried this:
>
> CopperWait 0,255
> CopperWait 0,ypos-256
>
> which waited for line 255 and totally ignored the second instruction
> (although it was inserted into the copperlist).
>
> I then looked at the copperlist and noticed another 2 WAIT instructions
> waiting for the last line of the display - line 300 in my case (it was at
> the address just below the custom area). In this the x coordinate of the
> first instruction was $E0 (=224) so I changed my code to:
>
> CopperWait 224,255
> CopperWait 0,ypos-256
>
> This totally corrupted the display and in the copperlist the x coordinate
> is only $60 (=96) so it seems I can`t have this value over 96, however if
> I put the value to between 96 and 128 the copperlist still shows $60 but
> the display isn`t corrupted.
>
> Thanks a lot!
>
> Regards -- Tom. A
Sami N��t�nen
EMail: sami@naatanen.com
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