[LisaEm] disk sizes, organization, and bugs. (was Re: [LisaEm]LisaCalc not working)

From: Ray Arachelian <ray_at_email.domain.hidden>
Date: Sun, 04 Feb 2007 11:55:10 -0500

Jerome Vernet (Orange) wrote:
> Hi,
>
> Does anybody have success in running LisaCalc under LisaEm ? For me,
> LisaCalc never start, LisaEm seems to loop (CPU speed goes to 32Mhz,
> then nothing. The mouse pointer still move).
>

Wow! That's strange. I'm able to run LisaCalc 3.1 with the Getting Started sample spreadsheet. So it might be something else. (i.e. might not be just in LisaCalc, but might also show up elsewhere.) It could be a bad LisaCalc disk too, but it's less likely.

> LOS 3.1/LisaCalc 3.0
>
> It may be because the Emulated Porfile is full. How create a 10Mb Profile ??
>
Not very likely, I have plenty of space on my 5M profile. Well, quite likely if you told it to share the profile with MacWorks.

If you want both MacWorks and LOS, you should create separate configurations. That is use the Open/Save Preferences commands under the File Menu. Create a config for MacWorks, another for Lisa Office System, and another for Lisa Pascal Workshop. The emulator will remember which one was last used and will open that one, but you can change it with the Open command.

Each configuration should have its own different ProFile drive. i.e. profile-mw.dc42, profile-los.dc42, profile-lpw.dc42.

If you have the dual parallel rom, you can enable one or more of the slots to dualparallel and attach a profile drive to get more space that way.

Otherwise, you'll have to manually create a 10M disk image. Please note that I've not tested these. You can also use LisaFSH tool (from inside Terminal) to create an empty 10M profile drive like this:

 echo "quit" | lisafsh-tool --new lisaem-profile10.dc42 10M

Then use the Preferences to pick the 10M file instead. There's no option in the current version of the emulator to pick a profile size, since it creates them automatically if they don't exist. I'll add that to the list.

We should have a new release fairly soon, doesn't look like we're ready for a release this week, there's some UI cleanup to be done still, and I want to release the source code along with it. I'll add the profile sizing option to the list of TODO's. My next big piece is printing, so likely will wait until that's added too.

There's also a very stupid bug in wxSounds where you must write an actual WAV file to the disk or else it won't play properly. It does play on Windows, but nowhere else if you play from memory. Even if you do have it in memory, it must be a proper WAV file with all of the headers of a WAV file, you can't just say, play this buffer, it's 4 bit wide, 11Khz, mono for example. Very dumb. So likely will pull out the compiled in WAV files and store them to the disk. This is fine under OS X since you can hide resources inside the lisaem.app, and ok under windows since the WAV's can be stored as resources inside the executable, but not all that easy for linux, which will need an installer to put stuff in say, /usr/local/share/lisaem for example.

Here's the log of changes made so far since the 2007.01.28 release. These fixes, and others, will be in the next version:

2007.02.03 - cheat_ram_test now a preference - speeds up startup tests for H ROM.

2007.02.02 - fixed floppy insert on power off
           - fixed floppy trapping on insert of non-DC42/bad disk image.
           - fixed "Clock is not set" dialog box
           - fixed ContrastTrails (linx/win32)

2007.02.01 - fixed raw keyboard entry - but CPU clock is still too fast, so getting key repeats occasionally.

2007.01.31 - fixed bug causing random crashes, mostly during LOS install. Was off-by-one array overflow related  to ReDraw_* fn's.

2007.01.29 - DART images can now be opened.

One question I have: how well did MacWorks work for you guys and which version did you use? Early on, I was able to install MacWorks, but always had to boot off the floppy, even to start from the profile. Was I using the wrong version of MacWorks perhaps? Received on 2007-02-04 11:55:11

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