what is HIMEM? type ?HIMEM
On Thu, Apr 29, 2021 at 10:35 AM Charles Hudson <[email protected]> wrote: > As noted, got the Model 100 assembler / debugger recently. Installed on a > Model 102 which has 32k and which, before installation, reported 28k free. > Only 1 .BA program beside the standard applications. > > Loaded ZBGASM from tape and saved it to memory, after which the free > memory was about 7k. I thought that was a big chunk as the manual says the > assembler occupies about 8.5k. But it was in memory and I was able to > invoke it from the menu so I proceeded to enter a sample program from the > manual, assemble and run it, filling the screen with character 0FFH. > > Adding the sample program, SAMPLE.DO, and executable, SAMPLE.CO, didn't > seem to reduce available memory much: still at 7K. I deleted ("KILL"ed > from BASIC) the two samples and the ZBGASM.CO files and was left with > about 15K free memory. Hmmm.... > > So I went back into BASIC and entered NEW (no change) CLEAR (no change) > and tried hitting the reset button (no change). As far as I can tell I > have something occupying about 12k of memory that the system can't > dislodge. I suppose I could remove all power and turn off the memory > backup but I'd rather think there is another way around this. And I'd like > to figure out what I'm doing to cause this memory "hole". > > I would appreciate any suggestions for figuring out how to remove it and > restore max memory. > Thanks, > -CH- >
