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| From: | "Mark E." <snowball3 AT bigfoot DOT com> |
| To: | djgpp-workers AT delorie DOT com |
| Date: | Thu, 2 Aug 2001 10:09:31 -0400 |
| MIME-Version: | 1.0 |
| Subject: | Re: djgpp: djgpp/src/libc/posix/termios/tmwrite.c |
| Message-ID: | <3B6926DB.22912.206E49@localhost> |
| References: | <200108012154 DOT RAA26948 AT delorie DOT com> |
| In-reply-to: | <Pine.SUN.3.91.1010802095213.28510E-100000@is> |
| X-mailer: | Pegasus Mail for Win32 (v3.12c) |
| Reply-To: | djgpp-workers AT delorie DOT com |
>
> On Wed, 1 Aug 2001, cvs-snowball AT delorie DOT com wrote:
>
> > ! else if (ch == '\b')
> > ! {
> > ! if (*col > 0)
> > ! --(*col);
> Should Backspace merely move the cursor, or should it also erase the
> character to the left of the cursor? What happens if the user presses
> the Backspace key?
It's emulating the behavior of int 0x29 and int 0x10 ah=0x0e which moves the
cursor back one without erasing a character. When the user presses a key, the
expected happens because tmread.c writes "\b \b" using the int 0x29 service.
Yes this will need revisiting.
Mark
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