--- M6502/M6502.pm	2007/07/30 13:29:57	24
+++ M6502/M6502.pm	2007/07/30 14:02:31	25
@@ -9,6 +9,11 @@
 
 my $mem = (0) x 0x10000;	# 64M
 
+# program counter
 our $PC = 0xbeef;
+# CPU registars
+our ( $A, $P, $X, $Y, $S ) = (0) x 5;
+# Set IPeriod to number of CPU cycles between calls to Loop6502
+our $IPeriod = 20000;
 
 1;