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Old 08 March 2010, 20:27   #1
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Guess the book

Guys guess the book this quote is from (It is amiga related)

Quote:
The DMACON register is not written like a normal register. Bits can only be set or cleared. This is determined by bit 15 in the data word written to DMACON. If this bit is 1, all set bits of the data word are also set in DMACON. If bit 15 is 0, all set bits are cleared in the DMACON register. The remaining bits in DMACON are not affected
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Old 08 March 2010, 20:28   #2
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Total guess - Harware Ref Manual...?
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Old 08 March 2010, 20:30   #3
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No.. That'd be far too obvious! (though I guess you know what I've been doing today )
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Old 08 March 2010, 20:33   #4
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LOL. Yeah I thought it might be a bit too easy if that was the right answer.

Glad you've been doing some code stuff Bipps.

How about this as another guess: The Amiga System Programmer's Guide?
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Old 08 March 2010, 20:34   #5
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That's the one. From Abacus... Guess you can have a go if you like
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Old 08 March 2010, 20:37   #6
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Good book that - nice companion to the HRM.

But - a word of caution - there are typos and slight errors, certainly in the code for the section on blitter line draw which I found to be wrong in several places.

Very worth having though as an alternate reference.
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Old 08 March 2010, 20:40   #7
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How about this - can anyone guess which Amiga related book this is from:

Yet another absolute address is the end of the Kickstart ROM, the address $00FFFFFF
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Old 08 March 2010, 20:42   #8
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Good book that - nice companion to the HRM.

But - a word of caution - there are typos and slight errors, certainly in the code for the section on blitter line draw which I found to be wrong in several places.

Very worth having though as an alternate reference.
Yeah I've had this ages. It's easier to read and understand than the HRM..
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