nsw@cord.UUCP (Neil Weinstock) (12/27/88)
Expires: References: <644@cord.UUCP> <7070@batcomputer.tn.cornell.edu> Sender: Reply-To: nsw@cord.UUCP (Neil Weinstock) Followup-To: Distribution: usa Organization: The Flying Squid Patrol Keywords: In article <7070@batcomputer.tn.cornell.edu> riley@tcgould.tn.cornell.edu (Daniel S. Riley) writes: >In article <644@cord.UUCP> nsw@cord.UUCP (Neil Weinstock) writes: >>I've been unsuccessfully trying to spawn a task. As soon as I call AddTask() >>I get a visit from the Guru. I have been using the RKM (volume I, page 17) [ ... ] >First, remember that the usual Manx startup code is not run before your >entry point. None of the registers will be setup the way you expect, >particularly a4, so you have to compile with absolute addressing, or >else somehow get a4 setup with the right base address (I'm a little vague >here because I'm a Lattice user...sorry). Remember, this is an entire >separate task you're setting up, with very little inherited from the >parent. Bingo. In fact, the Manx geta4() call turned out to be the fix (thanks Ali!). "When all else fails, read the man(x)ual." >Second, Tasks cannot call DOS routines. Only processes can. Delay() ^^^^^^^ >is a DOS routine, so your call to Delay() in EntryPoint() is definite ^^^^^^^^^^^^^^^^ Wow, I had no idea, and confirmed by the RKM no less. What's Delay() doing in dos.library? + .- -- .. --. .- .-. ..- .-.. . ... .- -- .. --. .- .-. ..- .-.. . ... + | Neil Weinstock | att!cord!nsw | "One man's garbage is another | | AT&T Bell Labs | nsw@cord.att.com | man's prune danish." - Harv Laser | + .- -- .. --. .- .-. ..- .-.. . ... .- -- .. --. .- .-. ..- .-.. . ... +
andy@cbmvax.UUCP (Andy Finkel) (12/30/88)
In article <645@cord.UUCP> nsw@cord.UUCP (Neil Weinstock) writes: > >Wow, I had no idea, and confirmed by the RKM no less. What's Delay() doing >in dos.library? > Delay() is just a call on the timer.device. You can call the timer.device itself from a task to get the same effect. -- andy finkel {uunet|rutgers|amiga}!cbmvax!andy Commodore-Amiga, Inc. "Possibly this is a new usage of the word 'compatible' with which I was previously unfamiliar" Any expressed opinions are mine; but feel free to share. I disclaim all responsibilities, all shapes, all sizes, all colors.