Article View: comp.sys.amiga.tech
Article #10898Re: Unsupported Programming Practices
From: John Schultz
Date: Sun, 08 Jan 1989 20:11
Date: Sun, 08 Jan 1989 20:11
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1152 bytes
In article <84277@sun.uucp> cmcmanis@sun.UUCP (Chuck McManis) writes:
>Would OwnBlitter() work for this? I assume that the sequence :
> Draw(...);
> OwnBlitter();
>Can't possibly give you the Blitter before the Draw call has finished
>with it.
>--Chuck McManis
Just do a WaitBlit(). OwnBlitter probably calls WaitBlit(),
then you'll also have to call DisownBlitter() before you call any
rom routines.
For custom blitter stuff, I've always done:
WaitBlit();
OwnBlitter();
// do custom blits
DisownBlitter();
Does OwnBlitter() actually call WaitBlit()? Or will it blow up if
OwnBlitter is called without first calling WaitBlit()?
John Schultz
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!clyde!att!ucbvax!ucsd!sdcc6!sdcc10!cs161agc From: cs161agc@sdcc10.ucsd.EDU (John Schultz) Newsgroups: comp.sys.amiga.tech Subject: Re: Unsupported Programming Practices Message-ID: <43@sdcc10.ucsd.EDU> Date: 8 Jan 89 20:11:37 GMT References: <8901060406.AA22607@postgres.Berkeley.EDU> <84277@sun.uucp> Reply-To: cs161agc@sdcc10.ucsd.edu.UUCP (John Schultz) Organization: University of California, San Diego Lines: 24