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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
06231 Interface Minor Always Jun 2, 2016, 14:19 Jul 2, 2016, 12:47
Tester demotester View Status Public Platform MESS (Unofficial Binary)
Assigned To Resolution Open OS Windows XP
Status [?] Acknowledged Driver poly88.cpp
Version 0.174 Fixed in Version Build Normal
Summary MESS-specific 06231: poly88: Cassette is not working !
Description It seems that the cassette emulation is not working !

This will be shown with an example by saving from the BASIC !

Quick infos:

About Poly-88 computer - http://www.polymorphic-computers.com/poly88.html

Other emu for DOS - http://www.polymorphic-computers.com/emulator.html
Note: on the bottom of this page is "POLYTAPE.ZIP" - find the file called "BASIC.IMG" !

About the BASIC in "Basic.pdf" (@p.76, Saving and Loading a BASIC Program) - http://www.hartetechnologies.com/manuals/PolyMorphic/

Steps To Reproduce Attach the file called "BASIC.IMG" to MESS/MAME emu Snapshot ! (wait until the BASIC appears)

In BASIC type an program example:

>10 PRINT "POLY-88 COMPUTER"


Now try to save it on tape, but 1st create a new tape called f.ex. "TEST.WAV":

In BASIC type following commands:

>SAVE,TEST,B (to save in "Byte" format) or
>SAVE,TEST,P (to save in "Polyphase" format)

Note: before pressing the RETURN-key be sure that the tape is in the Recording mode and starts to record !

According to the "Basic.pdf" on p.81, points 6. and 7. (and point 2.):

@point 6. - basic will respond with message "Working...", and give the record numbers of the current tape records ! (this seems to work)
@point 7. - after the tape has been recorded, BASIC will respond with a prompt ">" ! (this seems NOT working - the saving never finish)

@point 2. - remember to set the "Poly / Byte" switch on the back of PolyMorphic System ! (but there is not a such switch/option in MESS !)

Some example photos - http://old-computers.com/museum/photos.asp?t=1&c=563&st=1
Click on "Back panel" picture - the red switch is used to modify the tape record speed ! (this option seems missing in MESS !)

So, it is currently impossible to save / load a BASIC program (and any other) to / from tape in MESS !


EDIT: cassette tape interface with the red switch (from inside) - http://www.polymorphic-computers.com/images/cassette1.jpg
(boards: http://www.polymorphic-computers.com/boards.html )
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Affected Sets / Systems poly88
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