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2025-10-24 08:54:17 +00:00 · 2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
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--- a/2.2/PATCHES/CPM22APN.09
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+                                       CP/M   V2.2
+                              Application Note 09, 2/02/82
+                          Configuring CP/M for Page Boundaries
+
+                           Copyright  1982 by Digital Research
+                   CP/M is a registered trademark of Digital Research.
+                         DDT is a trademark of Digital Research.
+                                 Compiled November 1982
+
+          Applicable products and version numbers:  CP/M   V2.2
+
+          Program:  MOVCPM.COM
+
+               You can modify  MOVCPM.COM  to  configure  CP/M  V2.2  for  page
+          boundaries (256 bytes) instead of kilobyte boundaries.
+
+               Make a back-up copy of MOVCPM.COM before you use DDT    to  make
+          the  following  changes.  Save  the  changes  in  a  new  file  named
+          PGMOV.COM.  The first argument designates the size of the  system  in
+          pages  that  PGMOV  is to construct.  The first argument is optional,
+          but must range between 64 and 255 (decimal) if used.
+
+                    A>ddt movcpm.com
+                    DDT VERS 2.2
+                    NEXT  PC
+                    2700 0100
+                    -l165
+                    0165  CPI  10
+                    0167  JC   0172
+                    016A  MVI  L,00
+                    016C  MOV  H,A
+                    016D  DAD  H
+                    -s166
+                    0166 10 40
+                    0167 DA .
+                    -a16d
+                    016D nop
+                    016E nop
+                    016F .
+                    -l1a2
+                    01A2  ANI  FC
+                    01A4  MOV  H,A
+                    01A5  PUSH H
+                    01A6  LHLD 0006
+                    -ala2
+                    01A2 ani fe
+                    01A4 .
+                    -g0
+                    A>save 38 pgmov.com
+
+               Licensed  users  are  granted  the  right   to   include   these
+          modifications in CP/M V2.2 software.