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diff --git a/konsole/doc/More/vt100_numeric_keypad.txt b/konsole/doc/More/vt100_numeric_keypad.txt new file mode 100644 index 000000000..fbd953d45 --- /dev/null +++ b/konsole/doc/More/vt100_numeric_keypad.txt @@ -0,0 +1,202 @@ +Subject: Re: ENTER keys + +In message <538902171@KSINET.COM>, John.ksi@KSINET.COM says: +> +> We're using MicroSoft's telnet software to connect to Stratus (VOS). +> Using a VT100 emulator (yes, on both ends - I'm not THAT novice) we +> find that the ENTER key (the key marked "Enter" on the PC's keypad) +> does the same thing as the RETURN key (the key marked "Enter" on the +> main part of the PC's keyboard) when it comes to working with CRT +> forms. +> ... +> (A) why do the RETURN and ENTER keys behave the same? +> (B) how does one submit a completed CRT form with ONE keystroke? + +To which <Paul_Green@vos.stratus.com> replied in message +<199502171715.MAA11104@transfer.stratus.com>: +| +| You don't say which ttp you are using on VOS, but I will assume +| it is the vt100.ttp file. +| +| The "keyboard" section of the vt100.ttp file defines the names +| and key sequences used by the VT100 keys. In it we find: +| +| enter-key Enter esc O M + + +I have not used the Microsoft "telnet" application, but one standard +setup option in a DEC VT100 (or VT220, VT340, VT420, VT510, etc.) is +the "keypad mode"--what the behavior of the numeric keypad should be. + +The two modes are "application" and "numeric". + +In numeric mode, the various keypad keys send either the ASCII code +for decimal digits, or the ASCII code for the comma, period, or +hyphen, or (in the case of the keypad "Enter" key") the ASCII carriage +return control character (or CR/LF if so configured). + +The "Enter" key behavior you describe is characteristic of numeric- +keypad mode. + +The application mode is used by programs that don't need decimal +digits so much but need lots of user-activated software functions. +The DEC text-editing programs (EDT, EVE, etc.) are a classic example. +In application mode, the keypad keys send special Escape sequences +that chiefly begin with the so-called SS3 (single-shift G3) prefix, +which in 7-bit ASCII representation is the "Esc O". (In 8-bit, SS3 +is the single code hexadecimal 8F.) + +The following chart summarizes the possible codes (7-bit) generated by +the DEC terminals' keypad: + + Keypad Key Numeric Mode Application Mode + ---------- ------------ ---------------- + 0 0 Esc O p + 1 1 Esc O q + 2 2 Esc O r + 3 3 Esc O s + 4 4 Esc O t + 5 5 Esc O u + 6 6 Esc O v + 7 7 Esc O w + 8 8 Esc O x + 9 9 Esc O y + - - Esc O m + , , Esc O l + . . Esc O n + Enter carriage return Esc O M + PF1 Esc O P Esc O P + PF2 Esc O Q Esc O Q + PF3 Esc O R Esc O R + PF4 Esc O S Esc O S + + + was intended for use by programs that + + + + +This is a matter that my site has encountered in a slightly different form. + +Article 2620 of comp.protocols.kermit.misc: +Path: cs.utk.edu!cssun.mathcs.emory.edu!hobbes.cc.uga.edu!news-feed-1.peachnet.edu!gatech!swrinde!cs.utexas.edu!news.cs.utah.edu!cc.usu.edu!jrd +From: jrd@cc.usu.edu (Joe Doupnik) +Newsgroups: comp.protocols.kermit.misc +Subject: Re: Defining functional keys +Message-ID: <1995Apr22.122257.48276@cc.usu.edu> +Date: 22 Apr 95 12:22:57 MDT +References: <3n5307$jdd@kaie.va.ttu.ee> +Organization: Utah State University +Lines: 109 + +In article <3n5307$jdd@kaie.va.ttu.ee>, uuno@sofia.va.ttu.ee (Uuno Vallner) writes: +> We try to use KERMIT DOS as terminal. We have Novel and Unix +> mixed network. We try access to OSF/1 via IPX using Softnet in OSF/1. +> +> We defined Kermit port bios3. It works perfectly. We need to use estonian +> characters. We are resolved this problem too. But ... +> +> We use application in OSF/1 (text retrieval system trip), which needs +> for operating Application keypad (7,8. 9 ..1,0 ...)and some functional keys. +> But Kermit are using 7 as "home" +> +> Kermit interpreted non correct functional keys. After pressing f1, system +> sends only ESC , after next f1 follows code and new ESC. Same effect is with +> array keys. +-------------- + + I think there is some confusion about DEC versus IBM PC keys. +The relationship is detailed in distribution file MSVIBM.VT and also +in the user's manual book "Using MS-DOS Kermit." The IBM PC numeric +keypad keys are not necessarily related to the DEC KeyPad keys. Here +is a cutout from my copy of msvibm.vt: + + +1. VT320/VT102/VT52/Heath-19 EMULATOR IN MS-DOS KERMIT IBM-PC, CODE SUMMARY + + VT320/VT102 keypads Heath-19 and VT52 Keypads + IBM keys IBM Keys + +------+------+------+------+ +------+------+-------+----------+ + | PF1 | PF2 | PF3 | PF4 | | Blue | Red | Grey | up arrow | - Vendor + | F1 | F2 | F3 | F4 | | F1 | F2 | F3 | up arrow | - Kermit + +------+------+------+------+ +------+------+-------+----------+ + | 7 | 8 | 9 | - | | 7 | 8 | 9 |down arrow| + | F5 | F6 | F7 | F8 | | F5 | F6 | F7 |down arrow| + +------+------+------+------+ +------+------+-------+----------+ + | 4 | 5 | 6 | , | | 4 | 5 | 6 | rgt arrow| + | F9 | F10 | SF1 | SF2 | | F9 | F10 | SF1 | rgt arrow| + +------+------+------+------+ +------+------+-------+----------+ + | 1 | 2 | 3 | E | | 1 | 2 | 3 |left arrow| + | SF3 | SF4 | SF5 | n S| | SF3 | SF4 | SF5 |left arrow| + +------+------+------+ t F| +------+------+-------+----------+ + | 0------0 | . | e 6| | 0------0 | . | Enter | + | SF7 | SF8 | r | | SF7 | SF8 | SF6 | + +-------------+------+------+ +-------------+-------+----------+ + +SF1 means push Shift and F1 keys simultaneously +--------------------------------------------------------------------------- +Below, the acronyms CSI and SS3 stand for 8-bit control codes in an 8-bit +environment or for their 7-bit equivalents "ESC [" and "ESC O", respectively. +Command SET TERMINAL CONTROL {8-BIT | 7-BIT}, and an equivalent command from +the host, determines the usage for output text; use of parity forces 7-bit +mode. CSI is decimal 155, SS3 is decimal 143. Similarly, DCS is decimal 144 +or ESC P and ST is decimal 156 or ESC \. APC is decimal 159 or ESC _. +--------------------------------------------------------------------------- +Codes sent by DEC and Heath arrow keys +Key Verb IBM VT320/VT102 mode VT52/H19 mode + key Cursor Application Cursor or Application + +up uparr up CSI A SS3 A ESC A +down dnarr down CSI B SS3 B ESC B +right rtarr right CSI C SS3 C ESC C +left lfarr left CSI D SS3 D ESC D + +Codes sent by DEC editing keys, not preassigned to keys. +Key Verb VT320 mode VT102/VT52/H19 mode + +Find decFind CSI 1 ~ these keys +Insert Here decInsert CSI 2 ~ send nothing +Remove decRemove CSI 3 ~ +Select decSelect CSI 4 ~ +Prev Screen decPrev CSI 5 ~ +Next Screen decNext CSI 6 ~ ~ is ASCII chart 7/14 + +Codes sent by DEC Numeric Keypad +Key Verb IBM ANSI VT320/VT102 mode VT52/H19 mode + key Numeric Application Numeric Application + +PF1/HF7/Blue Gold,pf1 F1 SS3 P SS3 P ESC P ESC P +PF2/HF8/Red pf2 F2 SS3 Q SS3 Q ESC Q ESC Q +PF3/HF9/Grey pf3 F3 SS3 R SS3 R ESC R ESC R +PF4/HF1 pf4 F4 SS3 S SS3 S ESC S ESC S +0 kp0 SF7 0 SS3 p 0 ESC ? p +1 kp1 SF3 1 SS3 q 1 ESC ? q +2 kp2 SF4 2 SS3 r 2 ESC ? r +3 kp3 SF5 3 SS3 s 3 ESC ? s +4 kp4 F9 4 SS3 t 4 ESC ? t +5 kp5 F10 5 SS3 u 5 ESC ? u +6 kp6 SF1 6 SS3 v 6 ESC ? v +7 kp7 F5 7 SS3 w 7 ESC ? w +8 kp8 F6 8 SS3 x 8 ESC ? x +9 kp9 F7 9 SS3 y 9 ESC ? y +comma (,) kpcoma SF2 , SS3 l , ESC ? l +minus (-) kpminus F8 - SS3 m - ESC ? m +period (.) kpdot SF8 . SS3 n . ESC ? n +Enter kpenter SF6 CR or SS3 M CR or ESC ? M + CR LF (newline on) CR LF + (SFn means hold down Shift key while pressing Function key n.) +--------------- + + Please note that \Kkp0...\Kkp0 are placed on IBM PC function +keys by default. You can redefine such things using Kermit command +SET KEY, as discussed in depth in "Using MS-DOS Kermit." + I don't quite understand why you are using SET PORT BIOS3. Do +you have some Int 14h interceptor present to route traffic to the net? +For real serial ports BIOS3 is terrible. If you are using Novell's ODI +material then Kermit can operate as a native ODI client (using it's +internal TCP/IP stack). This is discussed in the release notes. + Joe D. + + + + |