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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML><HEAD> <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20"> <TITLE>Commodore 610 specific information for cc65: Platform specific header files</TITLE> <LINK HREF="cbm610-5.html" REL=next> <LINK HREF="cbm610-3.html" REL=previous> <LINK HREF="cbm610.html#toc4" REL=contents></HEAD><BODY><A HREF="cbm610-5.html">Next</A><A HREF="cbm610-3.html">Previous</A><A HREF="cbm610.html#toc4">Contents</A><HR><H2><A NAME="s4">4.</A> <A HREF="cbm610.html#toc4">Platform specific header files</A></H2><P>Programs containing CBM 610 specific code may use the <CODE>cbm610.h</CODE> or<CODE>cbm.h</CODE> header files. Using the later may be an option when writing codefor more than one CBM platform, since it includes <CODE>cbm610.h</CODE> and declaresseveral functions common to all CBM platforms.</P><H2><A NAME="ss4.1">4.1</A> <A HREF="cbm610.html#toc4.1">CBM 610 specific functions</A></H2><P>The functions listed below are special for the CBM 610. See the <A HREF="funcref.html">function reference</A> for declaration and usage.</P><P><UL><LI>peekbsys</LI><LI>peewsys</LI><LI>pokebsys</LI><LI>pokewsys</LI></UL></P><H2><A NAME="ss4.2">4.2</A> <A HREF="cbm610.html#toc4.2">CBM specific functions</A></H2><P>Some functions are available for all (or at least most) of the Commodoremachines. See the <A HREF="funcref.html">function reference</A> fordeclaration and usage.</P><P><UL><LI>cbm_close</LI><LI>cbm_closedir</LI><LI>cbm_k_setlfs</LI><LI>cbm_k_setnam</LI><LI>cbm_k_load</LI><LI>cbm_k_save</LI><LI>cbm_k_open</LI><LI>cbm_k_close</LI><LI>cbm_k_readst</LI><LI>cbm_k_chkin</LI><LI>cbm_k_ckout</LI><LI>cbm_k_basin</LI><LI>cbm_k_bsout</LI><LI>cbm_k_clrch</LI><LI>cbm_load</LI><LI>cbm_open</LI><LI>cbm_opendir</LI><LI>cbm_read</LI><LI>cbm_readdir</LI><LI>cbm_save</LI><LI>cbm_write</LI><LI>get_tv</LI></UL></P><H2><A NAME="ss4.3">4.3</A> <A HREF="cbm610.html#toc4.3">Hardware access</A></H2><P>The following pseudo variables declared in the <CODE>cbm610.h</CODE> header file doallow access to hardware located in the address space. Some variables arestructures, accessing the struct fields will access the chip registers.</P><P><B>Note:</B> All I/O chips are located in the system bank (bank 15) and cantherefore not be accessed like on other platforms. Please use one of the<CODE>peekbsys</CODE>, <CODE>peewsys</CODE>, <CODE>pokebsys</CODE> and <CODE>pokewsys</CODE> functions toaccess the I/O chips. Direct reads and writes to the structures named belowwill <EM>not</EM> work!</P><P><DL><DT><B><CODE>CRTC</CODE></B><DD><P>The <CODE>CRTC</CODE> structure allows access to the CRTC (the video controller).See the <CODE>_6545.h</CODE> header file located in the include directory for thedeclaration of the structure.</P><DT><B><CODE>SID</CODE></B><DD><P>The <CODE>SID</CODE> structure allows access to the SID (thesound interface device). See the <CODE>_sid.h</CODE> header file located in theinclude directory for the declaration of the structure.</P><DT><B><CODE>ACIA</CODE></B><DD><P>Access to the ACIA (the RS232 chip) is available via the <CODE>ACIA</CODE> variable.See the <CODE>_6551.h</CODE> header file located in the include directory for thedeclaration of the structure.</P><DT><B><CODE>CIA</CODE></B><DD><P>Access to the CIA chip is available via the <CODE>CIA</CODE> variable. See the<CODE>_6526.h</CODE> header file located in the include directory for thedeclaration of the structure.</P><DT><B><CODE>TPI1, TPI2</CODE></B><DD><P>The two 6525 triport chips may be accessed by using this variable. See the<CODE>_6525.h</CODE> header file located in the include directory for thedeclaration of the structure.</P></DL></P><HR><A HREF="cbm610-5.html">Next</A><A HREF="cbm610-3.html">Previous</A><A HREF="cbm610.html#toc4">Contents</A></BODY></HTML>⌨️ 快捷键说明
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