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PostPosted: Sat Mar 05, 2005 10:25 am 
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Joined: Mon Sep 27, 2004 8:33 am
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Location: Central Texas, USA
I've made a plan of APU tests to write; my focus will be on things that can't be easily verified in other ways. After I've made a fairly comprehensive set and they've been tested here, I'll put them together in a package submit them to the main NesDev catalog.

Here are two more tests:

http://h1.ripway.com/blargg/temp/test_apu_length.zip - Tests length counter control and status ($4015) operation, halt, and all 32 table entries for each channel.

http://h1.ripway.com/blargg/temp/test_apu_timers.zip - Does basic test of each channel's frequency timer for off-by-one errors, and checks DMC frequency table.

I'll probably cover the frame counter ($4017) and the triangle's linear counter next.


Last edited by blargg on Wed Mar 11, 2009 5:40 am, edited 1 time in total.

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PostPosted: Sun Mar 06, 2005 3:49 am 
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Joined: Mon Sep 27, 2004 8:33 am
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Location: Central Texas, USA
Two more test ROMs:

test_apu_4017.zip tests the frame counter ($4017) length counter clocking and frame interrupt operation (I posted this to another thread earlier today).

test_tri_lin_ctr.zip tests the triangle's linear counter.


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