HPlogo System Debug Reference Manual: HP 3000 MPE/iX Computer Systems > Chapter 7 System Debug Window Commands

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Window back. Scrolls the specified window backwards.

Syntax

   PB   [amount]                     Program, current mode  

   CMPB [amount]                     CM program             

   NMPB [amount]                     NM program             

                                                                

   QB   [amount]                     CM frame,  Q relative  

   SB   [amount]                     CM stack,  S relative  

                                                                

   GB   [amount]                     Group window           

   UB   [amount] [win_number]          User window            

                                                                

   VB   [amount] [win_number]          Virtual window         

   ZB   [amount]                      Real memory window     

   LB   [amount]                      LDEV window            

   TXB  [amount] [win_number]          Text window            

Parameters

amount

The number of words or lines to scroll backwards. If omitted, the window is scrolled back the default amount based on the following table:

CmdUnitsDefault
PB(CM/NM) words[1]Previous full screen of instructions
CMPBCM wordsPrevious full screen of instructions
NMPBNM wordsPrevious full screen of instructions
QBCM wordsPrevious full line of data
SBCM wordsPrevious full line of data
GBUser windowsTo start of the previous user window
UB(CM/NM) words[1]1 line
VBCM wordsPrevious full screen of data
ZBCM wordsPrevious full screen of data
LBCM wordsPrevious full screen of data
TXBLinesPrevious full screen of text
[1]

[1] Based on mode of the window.

win_number

The window number for a specific user window (U), virtual window (V), or text window (TX). If win_number is omitted, then the current window is used. The current user window is marked by an asterisk, and the current virtual window and text window are marked in inverse video.

Examples

   %cmdebug > PB 6

Scroll the program window (PW) back 6 words.

   %cmdebug > VB 5 2

Scroll virtual window number 2 back by 5 words.

   %cmdebug > GB 2

Scroll the group window (GW) of user windows, back by two user windows.

Limitations, Restrictions

none

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