Thanks Kurt, Away from the 100 at the moment, but I’ll check it to confirm later tonight. -Will
On Thu, Jun 28, 2018 at 1:41 PM 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 > > > > >
