From 0fe03a4643ff1f987fe7950c88e204eefb247306 Mon Sep 17 00:00:00 2001 From: izydorst Date: Sat, 27 Oct 2001 17:09:02 +0000 Subject: [PATCH] added note about conio stuff git-svn-id: svn://svn.cc65.org/cc65/trunk@1092 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- doc/geos.sgml | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/doc/geos.sgml b/doc/geos.sgml index 5b6a09eb4..8afc08c7d 100644 --- a/doc/geos.sgml +++ b/doc/geos.sgml @@ -6,7 +6,7 @@ GEOSLib docs <author>Maciej Witkowiak, <htmlurl url="mailto:ytm@elysium.pl" name="ytm@elysium.pl"> -<date>v1.2, 26.12.1999, 16.03.2000, 19-22.03.2000, 11,29.07.2000, 3-4,15.07.2001 +<date>v1.3, 26.12.1999, 16.03.2000, 19-22.03.2000, 11,29.07.2000, 3-4,15.07.2001, 27.10.2001 <abstract> This is the documentation of cc65's GEOSLib, but information contained here may be also useful for writting GEOS applications in general. @@ -37,8 +37,18 @@ resulting code will be smaller. <tt/dio/ - direct disk access is available, but you might have problems with devices other than 1541, 1571 or 1581. RAM drives emulating these should work. <p> -It is safe to use these includes: <tt/dio.h, errno.h, geos.h, joystick.h, mouse.h, stdlib.h, -string.h/ +<tt/conio/ - simple console input-output is available for command line applications. Note that +unlikely other platforms this implementation does not provide fullscreen capabilities, e.g. +you are on your own with checking last row and scrolling screen up etc. Color, line drawing and +clearing functions are disabled because color is not supported and line drawing art can be +easily done with graphics functions. Please note that a variable width font (to be specific: +current font, so you can load any font you like) is used so <tt/wherex, gotox/ family functions +will not always return the same values. In fact <tt/gotoxy/ sets current position to the place +you would expect on a normal 40x25 screen, not a position that would regard current font's +height. Both 40 and 80 columns modes are supported. +<p> +It is safe to use these standard includes: <tt/conio.h, dio.h, errno.h, geos.h, joystick.h, +mouse.h, stdlib.h, string.h/ <p> I am an assembler programmer and GEOSLib was designed in such way that cc65 could emit the best available code (well, the best as for machine :). Many of the <tt/void foo (void)/ functions are @@ -103,8 +113,8 @@ This chapter describes some rules you ought to obey, and how to use GEOSLib. <sect1>General rules <p> Think twice before you use standard C library function. In current implementation almost always -you will get better code using only <tt/geos.h/. This will change in next releases as standard -functions will become wrappers to native GEOS Kernal. +you will get better code using only <tt/geos.h/. This is constantly changing as standard +functions are becoming wrappers to native GEOS Kernal with the new releases. <p> Apart from this file, which merely describes only standard GEOS library functions, you should read <tt/grc/ (GEOS resource compiler) documentation. There are informations about necessary resource -- 2.39.5