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Added docs for new interrupt handler feature

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2961 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2004-03-23 22:42:37 +00:00
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doc/c64.sgml
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@ -269,6 +269,16 @@ The program return code (low byte) is passed back to BASIC by use of the
<tt/ST/ variable.
<sect1>Interrupts<p>
The runtime for the C64 uses routines marked as <tt/.CONDES/ type 2 for
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">.
<sect>Bugs/Feedback<p>
If you have problems using the library, if you find any bugs, or if you're