dudek@utai.UUCP (Gregory Dudek) (03/25/85)
I am attempting to develop some software for the Apple II line and
have run into a problem with the Apple IIe. My software uses the
goto-x-y cursor addressing string extensively ( ^^xy ) to move around
th screen.
Although it works fine on the II+ (and compatibles) with several types of
80-column card, it doesn't work on the IIe. When it tries to go to a
screen location on the IIe, it sometimes moves the cursor to the right place,
and sometimes moves it to a location that is off by one row.
Since I don't have a IIe myself, I am having a hard time figuring out
what's going on. I've checked the IIe 80-column manual & have found little
inspiration. Incidentally, I'm using the "pascal entry point" at $c9aa
to talk to the card. Anybody got any help to offer? Please?
In addition, I have found that on carriage return, the IIe and the II+
do not behave consistently. In particular, if the 8th bit in on, the
IIe emits a line feed while the II+ does not. If the 8th bit is off,
the IIe ignores the carriage return (prints a "M") while the II+
does a return and line feed. What a pain!
Greg Dudek.
CSNET: dudek@toronto
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