Take a look at p. 5-30 in the 8201a Svc Manual, figs. 5-47 & 5-48.
On 6/28/18, Kurt McCullum <[email protected]> wrote: > I wish I could say it works. but I have two 8201s here. One with a low > battery and one without. Both show 208 when I try > print inp(216) > > It was worth a try. I'd be interested if anyone else figures this out. > > Kurt > > > On Thu, Jun 28, 2018, at 11:53 AM, MikeS wrote: >> >> Yeah; how could we have missed that /LPS signal all this time... >> >> Thanks, Kurt! >>> ----- Original Message ----- >>> *From:* Stephen Adolph[1] >>> *To:* [email protected] >>> *Sent:* Thursday, June 28, 2018 1:58 PM >>> *Subject:* Re: [M100] Low power check >>> >>> Wow. Very nice. Learn something new every day. >>> >>> On Thursday, June 28, 2018, Kurt McCullum <[email protected]> wrote:>> >>>> __ >>>> Will, >>>> >>>> Found it in the Robert Covington's M100 ports/registers file. Port >>>> D0 (208) is where the low power signal is. The file indicates this >>>> is the same for both the 100 and 200.>>> >>>> PRINT INP(208) >>>> >>>> That command should give you the status of the power. Bit 7 is the >>>> indicator so the value will change by 128.>>> >>>> Kurt >>>> >>>> >>>> On Thu, Jun 28, 2018, at 10:32 AM, Kurt McCullum wrote: >>>>> It's actually a INP(216) command not a PEEK(216). I didn't realize >>>>> that when I first posted. But the memory locations on the 200 would >>>>> be different than the NEC.>>>> >>>>> So for the NEC, in BASIC the following command would show the >>>>> value:>>>> PRINT INP(216) >>>>> >>>>> Kurt >>>>> >>>>> >>>>> On Thu, Jun 28, 2018, at 9:53 AM, William Winter wrote: >>>>>> FYI... I just tried the PEEK (216) on my Model 100 and it returned >>>>>> 85 with both the battery light on and off.>>>>> >>>>>> -Will >>>>>> >>>>>> On Thu, Jun 28, 2018 at 12:42 PM Kurt McCullum >>>>>> <[email protected]> wrote:>>>>>> __ >>>>>>> That's what I was afraid of. However, I did find something that >>>>>>> is worth a try when I get home tonight. In the NEC 8201 technical >>>>>>> manual (yes I read these things) on page 256, it looks like bit 7 >>>>>>> of memory location D8 (216) is set when there is a low power >>>>>>> signal. If that is correct, a PEAK(216) which returns a value >>>>>>> greater than 127 should indicate a low power state. But I'll have >>>>>>> to test this later since I am not in front of the machine.>>>>>> >>>>>>> Kurt >>>>>>> >>>>>>> >>>>>>> On Thu, Jun 28, 2018, at 9:16 AM, Stephen Adolph wrote: >>>>>>>> no, I don't think so. there is no A/D function or alarm point >>>>>>>> that is readable. would have been a good idea.>>>>>>> >>>>>>>> On Thu, Jun 28, 2018 at 12:11 PM, Kurt McCullum >>>>>>>> <[email protected]> wrote:>>>>>>>> __ >>>>>>>>> Is there a PEEK I can do in BASIC to see if the low power light >>>>>>>>> is on. I would assume that the 100/200/NEC all have different >>>>>>>>> locations in memory but is this possible?>>>>>>>> >>>>>>>>> >>>>>>>>> Kurt >>>>>>>>> >>>>>>> >>>>> >>>> > > > Links: > > 1. mailto:[email protected] >
