Program 6. Display List Interrupt.››PHA       ;Save accumulator (decimal 72)›LDA # $E0 ;Load ROM page number (decimal 169,224)›STA WSYNC ;Write to WSYNC (decimal 141,10,212)›STA $D409 ;Store page number in hardware register (decimal 141,9,212)›PLA       ;Restore accumulator (decimal 104)›RTI       ;Return (decimal 64)›