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<H2><A NAME="s5">5.</A> <A HREF="c64.html#toc5">Loadable drivers</A></H2>
<H2><A NAME="ss5.1">5.1</A> <A HREF="c64.html#toc5.1">Graphics drivers</A>
</H2>
<P><EM>Note:</EM> All available graphics drivers for the TGI interface will use
the space below the I/O area and kernal ROM, so you can have hires graphics in
the standard setup without any memory loss or need for a changed
configuration.</P>
<P>
<DL>
<DT><B><CODE>c64-hi.tgi</CODE></B><DD><P>This driver features a resolution of 320*200 with two colors and an
adjustable palette (that means that the two colors can be chosen out of a
palette of the 16 C64 colors).</P>
</DL>
</P>
<H2><A NAME="ss5.2">5.2</A> <A HREF="c64.html#toc5.2">Extended memory drivers</A>
</H2>
<P>
<DL>
<DT><B><CODE>c64-georam.emd</CODE></B><DD><P>A driver for the GeoRam cartridge. The driver will always assume 2048 pages
of 256 bytes each. There are no checks, so if your program knows better,
just go ahead.</P>
<DT><B><CODE>c64-ram.emd</CODE></B><DD><P>A driver for the hidden RAM below the I/O area and kernal ROM. Supports 48
256 byte pages. Please note that this driver is incompatible with any of the
graphics drivers!</P>
<DT><B><CODE>c64-ramcart.emd</CODE></B><DD><P>A driver for the RamCart 64/128 written and contributed by Maciej Witkowiak.
Will test the hardware for the available RAM.</P>
<DT><B><CODE>c64-reu.emd</CODE></B><DD><P>A driver for the CBM REUs. The driver will determine from the connected REU
if it supports 128KB of RAM or more. In the latter case, 256KB are assumed,
but since there are no range checks, the application can use more memory if
it has better knowledge about the hardware than the driver.</P>
<DT><B><CODE>c64-vdc.emd</CODE></B><DD><P>A driver for the VDC memory of the C128. Written and contributed by Maciej
WitkowiakCan be used if the program is running in C64 mode of the C128.
Autodetects the amount of memory available (16 or 64K) and offers 64 or 256
pages of 256 bytes each.</P>
</DL>
</P>
<H2><A NAME="ss5.3">5.3</A> <A HREF="c64.html#toc5.3">Joystick drivers</A>
</H2>
<P>
<DL>
<DT><B><CODE>c64-hitjoy.joy</CODE></B><DD><P>Driver for the Digital Excess &amp; Hitmen adapter contributed by Groepaz. See
<A HREF="http://www.digitalexcess.de/downloads/productions.php">http://www.digitalexcess.de/downloads/productions.php</A> on
instructions how to build one. Up to four joysticks are supported.</P>
<DT><B><CODE>c64-ptvjoy.joy</CODE></B><DD><P>Driver for the Protovision 4-player adapter contributed by Groepaz. See
<A HREF="http://www.protovision-online.de/hardw/hardwstart.htm">http://www.protovision-online.de/hardw/hardwstart.htm</A> for prices and
building instructions. Up to four joysticks are supported.</P>
<DT><B><CODE>c64-stdjoy.joy</CODE></B><DD><P>Supports up to two standard joysticks connected to the joysticks port of
the C64.</P>
</DL>
</P>
<H2><A NAME="ss5.4">5.4</A> <A HREF="c64.html#toc5.4">Mouse drivers</A>
</H2>
<P>Currently no drivers available (in fact, the API for loadable mouse drivers
does not exist).</P>
<H2><A NAME="ss5.5">5.5</A> <A HREF="c64.html#toc5.5">RS232 device drivers</A>
</H2>
<P>
<DL>
<DT><B><CODE>c64-swlink.ser</CODE></B><DD><P>Driver for the SwiftLink cartridge. Supports up to 38400 baud, hardware flow
control (RTS/CTS) and interrupt driven receives. Note that because of the
peculiarities of the 6551 chip together with the use of the NMI, transmits
are not interrupt driven, and the transceiver blocks if the receiver asserts
flow control because of a full buffer.</P>
</DL>
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