<article>
<title>Commodore Plus/4 specific information for cc65
-<author>Ullrich von Bassewitz, <htmlurl url="mailto:uz@cc65.org" name="uz@cc65.org">
-<date>2003-12-14
+<author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">
+<date>2014-04-12
<abstract>
An overview over the Plus/4 runtime system as it is implemented for the cc65 C
available drivers, and any pitfalls specific to that platform.
Please note that Plus/4 specific functions are just mentioned here, they are
-described in detail in the separate <htmlurl url="funcref.html" name="function
+described in detail in the separate <url url="funcref.html" name="function
reference">. Even functions marked as "platform dependent" may be available on
more than one platform. Please see the function reference for more
information.
Since the Plus/4 and the Commodore 16/116 are almost identical (the latter are
-missing the 6551 ACIA and do only have 16KB of memory), the <htmlurl
+missing the 6551 ACIA and do only have 16KB of memory), the <url
url="c16.html" name="C16 documentation"> is also worth a look. The difference
between both cc65 targets is that the Plus/4 runtime uses banking to support
full 64K RAM, while the C16 does not use banking and supports up to 32K RAM.
<sect1>CBM specific functions<p>
Some functions are available for all (or at least most) of the Commodore
-machines. See the <htmlurl url="funcref.html" name="function reference"> for
+machines. See the <url url="funcref.html" name="function reference"> for
declaration and usage.
<itemize>
</itemize>
+<sect1>CBM specific CPU functions<p>
+
+Some CPU related functions are available for some of the Commodore
+machines. See the <url url="funcref.html" name="function reference"> for
+declaration and usage.
+
+<itemize>
+<item>fast
+<item>slow
+<item>isfast
+</itemize>
+
+
<sect1>Hardware access<p>
The following pseudo variables declared in the <tt/plus4.h/ header file do
interrupt handlers. Such routines must be written as simple machine language
subroutines and will be called automatically by the interrupt handler code
when they are linked into a program. See the discussion of the <tt/.CONDES/
-feature in the <htmlurl url="ca65.html" name="assembler manual">.
+feature in the <url url="ca65.html" name="assembler manual">.