IBM 3708 Planning And Installation page 168

Keyboard Mapping Definition Section
The keyboard mapping definition section contains two parts: one for mapping I-byte
ASCII control codes (X' 00' through X' 1 F ') and one for mapping the second
characters of ESC sequences (X' 00' through X' 7F '). For each code, the table
contains a I-byte entry that contains the number of the function that the 3708
should perform when the character (or ESC plus the character) is received.
These function numbers, which are listed in Table 15-7, identify particular 3270
functions that are performed by the 3708.
Table 15-7. Keyboard Functions
Function Function
Number Function
Number
Function
00 PFOI 21 CURSORSEL
01 PF02 22 CURSOR UP
02 PF03 23 CURSOR DOWN
03 PF04 24 CURSOR LEFT
04
PF05 25 CURSOR RIGHT
05 PF06 26 TAB
06 PF07 27 BACK TAB
07 PF08 28 NEWLINE
08
PF09 29 HOME
09 PFIO 2A TYPEAHEAD
OA PFll
2B NULL/BLANK
OB PF12 2C FIELD MARK
OC PF13 2D DUP
OD PF14 2E ERASEEOF
OE PFI5 2F ERASE INPUT
OF PF16 30 INSERT
10 PF17 31 DELETE
11
PF18 32 ECHO
12 PF19 33 CLICK KEY
13 PF20 34 PRINT
14 PF21
35
IDENT
IS PF22 36 STATUS ON/OFF
16 PF23 37 REFRESH
17 PF24 38 SUSPEND DISPLAY
18 PAl 39 ENABLE DISPLAY
19 PA2 3A SUSPEND PRINTER
IA PA3 3B ENABLE PRINTER
IB ATTN 3C ENABLE FILE TRANSFER
IC SYS REQ
3D
DISABLE FILE TRANSFER
1D
RESET
3F FTTERM COMPRESS
IE DEVCNCL 40 2/4 COLOR TOGGLE
IF ENTER 41 TLIS REFRESH
20 CLEAR
7F
EXTENDED TERMINAL
TABLE
For example, for most terminals, pressing the backspace (BS) key causes X' 08' to be
sent from the device. If the backspace key is to be used for the CURSOR LEFT
function, then address X' OE' in the terminal table should contain the function
number for CURSOR LEFT, which is X'24'. (The address is calculated by adding
the X' 08' to the address of the beginning of this part of the table, which is X' 06' .)
As an example of entries in the second part of this section, suppose the sequence
ESC P is to be used for the 3270 PRINT function. P is represented in ASCII as
X' SO' so, at offset X' 50 " the function number for PRINT is entered. It is entered
at address X' 76' , since this part of the table (an ESC followed by a character)
begins at address X'26' (X'26'
+
X'50'
=
X'76').
Chapter 15. User-Defined Terminal Tables
15-11