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16:57.11 | beewoolie-afk | prpplague: hey man. I have some sad news. |
16:57.18 | beewoolie-afk | prpplague: (not too sad, really) |
16:57.54 | prpplague | beewoolie-afk: ? |
16:57.58 | prpplague | beewoolie-afk: do tell? |
16:58.02 | beewoolie-afk | prpplague: :-) |
16:58.21 | beewoolie-afk | prpplague: I just dicovered that the usleep function in APEX for the LH79520 is *completely* wrong. |
16:58.50 | prpplague | beewoolie-afk: doing some lh79520 testing? |
16:59.09 | prpplague | beewoolie-afk: seems like i fixed that when i was working on apex earlier |
16:59.21 | beewoolie-afk | I'm writing a SMC91x driver so that we can tftp from the lpd79520 and the lpd7a40x's. |
16:59.31 | beewoolie-afk | Did you forget to tell me? |
17:00.15 | beewoolie-afk | The thing I just realized is that the counter counts down. I had written the routine with the assumption that the counter counts up. Big oops. |
17:00.42 | prpplague | beewoolie-afk: yea, probably forgot, i had some patches ready for you, but never sent them |
17:00.55 | beewoolie-afk | prpplague: BTW, isn't there a clever way to divide by 5 without using division? |
17:01.51 | prpplague | beewoolie-afk: seems like their is, but arm asm isn't my strong point |
17:02.11 | beewoolie-afk | It's not an arm thing, but a binary math trick. |
17:02.21 | ByronT-Desktop | flip the bits? |
17:02.43 | prpplague | beewoolie-afk: oh i thought you ment with arm syntax |
17:05.24 | beewoolie-afk | It's something like shift and subtract. Basically, I think it is a way to perform the same function as the divide instruction, but knowning the divisor makes it simpler. |
17:05.58 | ByronT-Desktop | I was just thinking that if you find the most significant bit and then start flipping, you should get 1/2 |
17:06.05 | ByronT-Desktop | 010 / 2 = 001 |
17:06.18 | beewoolie-afk | right. |
17:06.34 | beewoolie-afk | <PROTECTED> |
17:06.56 | beewoolie-afk | If I remember is right, it's long division with binary math. |
17:08.17 | ByronT-Desktop | but binary math was a looooooooong time ago for me |
17:08.37 | beewoolie-afk | So was reading, but I use it every day. :-) |
17:10.55 | ByronT-Desktop | aha! I finally got my FrankenSlug's FrankenStein UBE serial cable working! |
17:10.57 | ByronT-Desktop | woot |
17:20.08 | beewoolie-afk | Nice work. |
17:32.45 | ByronT-Desktop | I have three more cables to-do... |
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