Tim Hutzler@1:119/88 wrote at 27.07.96 "Re: PB keywords":
Hallo Tim,
In July, we had a mail-exchange about "PB-Keywords"
AH>> You can find such a list in the file PBSF.BAS, which is part 
AH>> of the distribution of PB3.1 and PB3.2
AH>> Besides that, the same list is im my Program KW2UCASE.BAS. 
AH>> See my mail "PB upper case keywords" here in this echo.
TH> Thanks, I already have the list, and I am using it.
In the meantime I've worked more on this subject and found, that 
both in the original PBSF.BAS and in my PQSYNTAX.BAS some 30 
keywords were missing.
This has been corrected in my new tricky TSR program PQSYNTAX.BAS 
/ .EXE. I'd put this in POSTIT-format into this echo at Sept. 24th 
but I'm not sure, whether this program has been spread out 
successfully. Can you report to me in a short answer, if this 
program has arrived e.g. to you via "FIDO/POWER_BAS".
Here's a repetition of the introductory description:
------------------------- cut ------------------------------------
      P Q S Y N T A X    Vs. 1.4 is ready
Colored syntax makes BASIC language sources better readable.
Colored highlighting of keywords and other terms in the editors (IDE) of
                 PowerBASIC Vs 3.x
                 QuickBasic Vs 4.5
                 QBasic (MS-DOS)
                 Basic PDS  Vs 7.x
Extract from the DOC file:
******************************************************************
PQSYNTAX was derived from the ideas of
       PBSYNTAX.BAS (Aug. 1994) by Mike Burns, CIS:71551,1353
PBSYNTAX.BAS was written for PowerBASIC using the PB method "POPUP
..." to compile TSR (Terminate and Stay Resident) programs.
In a first step, this source was corrected and extended (see the
included PQSYNTAX.BAS):
- additional groups of keywords are covered
- PowerBASIC 3.2 specials are covered (pointers)
- QuickBasic / QBasic / PDS are now serviced, too
- optimizations were made for highest performance speed (inline
  ASM)
The performance speed of the Timer ISR (Interrupt Service Routine)
has been measured by an external oscilloscope (connected to LPT2,
pin 1). The TTL level of this pin is set Hi when entering the
timer ISR, and set LO when exiting the timer ISR (see "%debug" in
PQSYNTAX.BAS or PULSES in PQSYNTAX.ASM). By this a pulse sequence
is generated, the pulse width (= time to run through the ISR) of
which can precisely be measured by the oscilloscope.
In a second step I then re-wrote the whole program using ASM and C
language, by this further optimizing PQSYNTAX. The TSR root module
is written in pure ASM, the working routines for scanning and
colorizing the screen could be transformed easily (nearly line by
line) from the PowerBASIC SUBs into C FUNCTIONs.
The result of the 2 different .EXE versions is shown below:
                          |      PowerBASIC        | ASM / C
--------------------------|------------------------|--------------
  filelength PQSYNTAX.EXE |      58300 bytes       | 15036 bytes
  TSR length: PB-IDE      |       6384 bytes       |  5952 bytes*)
  TSR length: QB45-IDE    |       6384 bytes       |  4080 bytes*)
  TSR length: QB(DOS)-IDE |       6384 bytes       |  4016 bytes*)
  TSR length: PDS7x-IDE   |       6384 bytes       |  4384 bytes*)
  size of swapfile        |     134176 bytes       |  -----
  *) here the length of the TSR loaded into RAM varies depending
     on the number of keywords contained in the DEF file
The time needed to once scan the editor window is different, it
depends on the contents of the screen. The following typical times
(in milliseconds) have been measured with the IDE of PowerBASIC
(using a 486DX50 in DOS real mode):
      number of lines           |    25      |     50
      --------------------------|------------|-----------
      empty screen (Alt/F+New)  |     5      |     10
      source text (min / max)   |  6 ... 20  |  12 ... 40
      source text (average)     |    12      |     24
******************************************************************
Conclusion:
By this speed optimization, PQSYNTAX can be setup to refresh the 
editor colors at least 10 times per second (each 2nd timer tick)!
No problems with multiple pagup/pagedown scrolling: each new 
screen is colored FAST ENOUGH!
Of course, a user can set up his personal color set that pleases 
his own taste. - And even a different set for each day of week.
All sources (PB / ASM / C) of PQSYNTAX are available free. Thus 
this may inspire PowerBASIC Inc. to introduce colored syntax with 
PB Vs.4.0 end of this year, too.
Hoping to have done a good job for the joy of many programmers
------------------------- cut ------------------------------------
Have nice days
               Andras
--- CrossPoint v3.11 R
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