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cbm stuff from greggs pull request

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mrdudz
2017-12-11 19:49:14 +01:00
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doc/funcref.sgml
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@@ -4,7 +4,7 @@
<title>cc65 function reference
<author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">,<newline>
<url url="mailto:greg.king5@verizon.net" name="Greg King">
<date>2017-11-21
<date>2017-12-09
<abstract>
cc65 is a C compiler for 6502 based systems. This function reference describes
@@ -240,6 +240,10 @@ function.
<item><ref id="chline" name="chline">
<item><ref id="chlinexy" name="chlinexy">
<item><ref id="clrscr" name="clrscr">
<item><ref id="cpeekc" name="cpeekc">
<item><ref id="cpeekcolor" name="cpeekcolor">
<item><ref id="cpeekrevers" name="cpeekrevers">
<item><ref id="cpeeks" name="cpeeks">
<item><ref id="cprintf" name="cprintf">
<item><ref id="cputc" name="cputc">
<item><ref id="cputcxy" name="cputcxy">
@@ -2363,6 +2367,121 @@ be used in presence of a prototype.
</quote>
<sect1>cpeekc<label id="cpeekc"><p>
<quote>
<descrip>
<tag/Function/Get a character from the display memory.
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
<tag/Declaration/<tt/char cpeekc (void);/
<tag/Description/The function gets the character that's at the current location
of the cursor in the display screen RAM. That character is converted, if
needed, into the encoding that can be passed to <tt/cputc()/.
<tag/Notes/<itemize>
<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
done to make it obvious that peeking doesn't move the cursor in any way. Your
program must place the cursor where it wants to peek before it calls any of
those functions.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="cpeekcolor" name="cpeekcolor">,
<ref id="cpeekrevers" name="cpeekrevers">,
<ref id="cpeeks" name="cpeeks">,
<ref id="cputc" name="cputc">
<tag/Example/None.
</descrip>
</quote>
<sect1>cpeekcolor<label id="cpeekcolor"><p>
<quote>
<descrip>
<tag/Function/Get a color from the display memory.
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
<tag/Declaration/<tt/unsigned char cpeekcolor (void);/
<tag/Description/The function gets the color number that's at the current
location of the cursor in the display screen RAM. That number can be passed to
<tt/textcolor()/.
<tag/Notes/<itemize>
<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
done to make it obvious that peeking doesn't move the cursor in any way. Your
program must place the cursor where it wants to peek before it calls any of
those functions.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="cpeekc" name="cpeekc">,
<ref id="cpeekrevers" name="cpeekrevers">,
<ref id="cpeeks" name="cpeeks">,
<ref id="cputc" name="cputc">,
<ref id="textcolor" name="textcolor">
<tag/Example/None.
</descrip>
</quote>
<sect1>cpeekrevers<label id="cpeekrevers"><p>
<quote>
<descrip>
<tag/Function/Get a reverse-character attribute from the display memory.
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
<tag/Declaration/<tt/unsigned char cpeekrevers (void);/
<tag/Description/The function gets the "reverse-mode" attribute of the
character that's at the current location of the cursor in the display screen
RAM. It returns a boolean value (0/1) that can be passed to <tt/revers()/.
<tag/Notes/<itemize>
<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
done to make it obvious that peeking doesn't move the cursor in any way. Your
program must place the cursor where it wants to peek before it calls any of
those functions.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="cpeekc" name="cpeekc">,
<ref id="cpeekcolor" name="cpeekcolor">,
<ref id="cpeeks" name="cpeeks">,
<ref id="cputc" name="cputc">,
<ref id="revers" name="revers">
<tag/Example/None.
</descrip>
</quote>
<sect1>cpeeks<label id="cpeeks"><p>
<quote>
<descrip>
<tag/Function/Get a string from the display memory.
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
<tag/Declaration/<tt/void __fastcall__ cpeeks (char* s, unsigned length);/
<tag/Description/The function gets a fixed-length string ('\0'-terminated) of
characters that start at the current location of the cursor in the display
screen RAM. Those characters are converted, if needed, into the encoding that
can be passed to <tt/cputs()/. The first argument must point to a RAM area
that's large enough to hold "length + 1" bytes.
<tag/Notes/<itemize>
<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
done to make it obvious that peeking doesn't move the cursor in any way. Your
program must place the cursor where it wants to peek before it calls any of
those functions.
<item>The function is available as only a fastcall function;
so, it may be used only in the presence of a prototype.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="cpeekc" name="cpeekc">,
<ref id="cpeekcolor" name="cpeekcolor">,
<ref id="cpeekrevers" name="cpeekrevers">,
<ref id="cputc" name="cputc">,
<ref id="cputs" name="cputs">
<tag/Example/None.
</descrip>
</quote>
<sect1>creat<label id="creat"><p>
<quote>