--- M6502/M6502.pm	2007/07/30 22:06:13	36
+++ M6502/M6502.pm	2007/07/30 23:28:25	38
@@ -116,4 +116,28 @@
 	confess "no from address";
 }
 
+=head2 push_R
+
+called by C<perl.c> to push changes in registars back to perl variables
+
+=cut
+
+sub push_R {
+	warn "push_R(",dump(@_),")\n";
+	my ( $a, $p, $x, $y, $s, $pc ) = @_;
+	$PC = $pc;
+	$S=$s; $X=$x; $Y=$y; $P=$p; $A=$a;
+	dump_R();
+}
+
+=head2 dump_R
+
+helper function which dumps registers
+
+=cut
+
+sub dump_R {
+	warn sprintf("PC: %04x A:%02x P:%02x X:%02x Y:%02x S:%02x\n", $PC, $A, $P, $X, $Y, $S);
+}
+
 1;