Passport by 4am               2023-07-27
                                        
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Reading from S6,D1                      
Using built-in RWTS                     
Writing to S6,D2                        
T00,S04 RWTS accepts $D4 or $D5 for the 
first address prologue nibble           
T00,S04 RWTS accepts $DE or timing bits 
for the first address epilogue nibble   
Crack complete. Press any key `