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RBBS in a Box Volume 1 #2
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RBBS_vol1_no2.iso
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009z
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db3logo.fix
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1985-11-23
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3KB
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89 lines
DBASE III VERSION 1.1 MODS
by
JP ASP
NOVEMBER 20, 1985
*******************************
* PROCEDURE TO BYPASS DB3 LOGO*
* AND *
* CLOSING MESSAGES *
*******************************
BY NOW, HOPEFULLY, YOU KNOW NOT TO WORK WITH THE ORIGINAL COPY,
ONLY A BACKUP COPY, SO DO COPY THE .OVL TO A BACKUP DISK.
>DEBUG DBASE.OVL
-E 27E EB 14 ;WAS 1E B8
-E 368 EB 08 ;WAS 1E B8
-E D29 00 ;WAS 41
-E D90 00 ;WAS 20
-E 12EB 00 ;WAS 41
THE FINAL ADDRESS HAS TO BE CALULATED TO GET SEGMENT:OFFSET
-R
MAKE NOTE OF CS:
IF IT IS, 1200 , ADD HEX 1000 SO THE NEW SEGMENT WOULD BE 2200
-E (CS+1000):D424 00 ;WAS 20 ALSO SUBSTITUTE FOR (CS+1000)
; SUCH THAT IN THE EXAMPLE IT WOULD BE "-E 2200:D424"
-W
-Q
===============================================================================
RESULTS OF COMPARE OF MODIFIED TO ORIGINAL
FOR REFERENCE ONLY AND ENLIGHTMENT.
D:DBASE.OVL and B:DBASE.OVL
Compare error at OFFSET 17E JMP AROUND SOME CODE
File 1 = EB
File 2 = 1E
Compare error at OFFSET 17F
File 1 = 14
File 2 = B8
----------------------------------------------------------------------------
Compare error at OFFSET 268 JMP AROUND SOME CODE
File 1 = EB
File 2 = 1E
Compare error at OFFSET 269
File 1 = 08
File 2 = B8
---------------------------------------------------------------------------
Compare error at OFFSET C29 START ASCIIZ STRING WITH BINARY 0
File 1 = 00 SO EFFECTIVELY NOTING IS PRINTED
File 2 = 41 "AN UNPUBLISHED" MESSAGE
---------------------------------------------------------------------------
Compare error at OFFSET C90 " SAME AS ABOVE " "
File 1 = 00
File 2 = 20 "USE OF THIS SOFTWARE" MESSAGE
---------------------------------------------------------------------------
Compare error at OFFSET 11EB " SAME AS ABOVE " "
File 1 = 00
File 2 = 41 "RECOMMENDS THE REGULAR" MESSAGE
---------------------------------------------------------------------------
Compare error at OFFSET 1D324 " SAME AS ABOVE " "
File 1 = 00
File 2 = 20 " *** END RUN" MESSAGE
--------------------------------------------------------------------------
!!!!!! KEEP ON COMPUTING AND SHARING !!!!!!
=============================================================================