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Article #1958

Machine-coding the TI-85

#1958
From: Stefan Divijak
Date: Thu, 20 Jan 1994 15:32
27 lines
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Does anybody know whether it is possible to do machine-coding on the TI-85 ? As
far as I know the TI-85 uses a well-known Zilog Z80 CPU (the same which was used
in the good old ZX Spectrum), so with a bit of additional hardware information
it should be possible to do pure asm.

This should be MUCH faster than letting the basic-like-ti-interpreter (I assume
this actually isn't a compiler, although the TI needs quite a while to
'initialize' a new program ?) do his job.

Moreover I'd like to know the clue of having a '!' (or something like that) in
 the
first name of a TI-program. To see about it, do the following:
	1) Create a dummy TI-Program, let's call it 'TEST'
	2) Use the TI-Interface to download it to your PC
	3) Rename the file 'TEST.85P' to '!TEST.85P'
	4) Check out the TI's available mem using the MEM/RAM command
	5) Upload '!TEST.85P'
Now you actually can't see any differences, because your program can not be
found in the TI's prog-index. But, strange enough, your mem has gone by the size
of TEST.85P, without a way of getting it back (because !TEST also can't be found
at MEM/DELETE).

Is this a bug in the TI's memory management, or is there something like, let's
call it	a 'hidden-resource management' build in ... ???

Stefan Divjak <divi@sztma.tu-graz.ac.at>
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Date: Thu, 20 Jan 1994 10:32:03 -0500
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From: Stefan Divijak <divi@sztma.tu-graz.ac.at>
Subject: Machine-coding the TI-85
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