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-rw-r--r--noao/digiphot/photcal/parser/prcode.com8
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diff --git a/noao/digiphot/photcal/parser/prcode.com b/noao/digiphot/photcal/parser/prcode.com
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+# Evaluator common. This common handles the code counter and the code
+# buffer used by the code generator routines during an expression
+# code generation.
+
+int cp # next free instruction
+pointer code # RPN code buffer
+
+common /prcodecom/ cp, code