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document the wrapped-call extension

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mrdudz
2021-05-05 16:07:47 +02:00
parent c9f242e566
commit 729690e9e9
2 changed files with 5 additions and 3 deletions
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doc/cc65.sgml
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@@ -1388,7 +1388,10 @@ parameter with the <tt/#pragma/.
the <tt/Y/ register if it wraps any variadic functions (they have "<tt/.../"
in their prototypes).
The identifier is an 8-bit number that's set into <tt/tmp4/.
The identifier is an 8-bit number that's set into <tt/tmp4/. If the identifier
is "bank", then a <tt><htmlurl url="ca65.html#.BANK" name=".bank"></tt> operator will be used
to determine the number from the bank attribute defined in the linker config,
see <htmlurl url="ld65.html#MEMORY" name="Other MEMORY area attributes">.
The address of a wrapped function is passed in <tt/ptr4/. The wrapper can
call that function by using "<tt/jsr callptr4/".