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Digital Research
2025-10-24 08:54:17 +00:00 · 2020-11-06 18:50:37 +01:00
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--- a/2.2/PATCHES/SUBMIT001/SUBMIT
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+Using control characters in a SUBMIT file
+-----
+
+        Question:  How  do I enter control characters into a SUBMIT file?
+The instructions on page 28 of the CP/M manual do not seem to work.
+
+        Answer:  SUBMIT requires you to enter '^z' to place a CTRL Z in the
+file.  The problem comes in that SUBMIT also converts all characters to
+uppercase.  The following patch suggested by Digital Research will  modify
+SUBMIT to require '^Z'.
+
+A>ddt submit.com
+DDT VERS 2.2
+NEXT  PC
+0600 0100
+-s442
+0442 61 41
+0443 32 .
+-g0
+A>save 5 submit.com
+
+        This alternate patch will allow lowercase characters to be entered
+which is also extremely helpful when using XSUB and ED with strings that
+require lowercase characters.
+
+
+A>ddt submit.com
+DDT VERS 2.2
+NEXT  PC
+0600 0100
+-s370
+0370 5F FF
+0371 32 .
+-g0
+A>save 5 submit.com
+
+        The following example submit file (using only the alternate patch)
+uses ED to search a file and replace all lowercase strings 'recieve' with
+'receive'.
+
+xsub
+ed file.doc
+#a
+b#srecieve^zreceive
+e
+
+        It should be mentioned that in no case can the control characters
+'^P' or '^C' be used in a submit file to obtain the normal functions of
+console input for printer toggle or warm start.
+
+
+CTRL P and CTRL C in a SUBMIT file
+-----
+
+        Question:  Why can't I put "CTRL P" and "CTRL C" in a SUBMIT file
+using the instructions in the manual?
+
+        Answer:  The usual processing of characters done by the BDOS on
+input is bypassed when using SUBMIT.  The following programs can simulate
+these functions.
+
+                ;
+                ;       PRINT - turn printer echo on and off
+                ;
+                ; Usage:
+                ;
+                ;       A>PRINT ?
+                ;(turn printer echo on with anything following PRINT)
+                ;       A>PRINT
+                ;(turn printer echo off with nothing following PRINT)
+                ;
+ 0100                   org     0100h
+ 0100 2A4E00            lhld    04eh    ;address of bios
+ 0103 110DF5            lxi     d,0f50dh ;offset of flag in bdos
+ 0106 19                dad     d       ;point to it
+ 0107 3A8000            lda     080h    ;echo on or off?
+ 010A 77                mov     m,a     ;set the flag
+ 010B C9                ret             ;return directly to ccp
+
+                ;       WBOOT - perform a warm boot
+                ;
+ 0100                   org     0100h
+ 0100 C7                rst     0
+
+;
+;PAUSE - suspend execution of a SUBMIT file until a character is typed
+;
+ 0100                   org     0100h
+ 0100 0E09              mvi     c,9
+ 0102 110D01            lxi     d,prompt
+ 0105 CD0500            call    5
+ 0108 0E01              mvi     c,1
+ 010A C30500            jmp     5
+ 010D 5479706520prompt  db      'Type any key when ready to continue$'
+
+