*T0: Fetch opcode $B1 (LDA (zp),Y) from memory then increment PC
*T1: Fetch operand byte $42 (zero page pointer address) then increment PC
*T2: Get low byte from zero page ($80)then increment the zero page address
*T3: Get high byte from next zero page location ($10) then add the Y register value ($F1) to $1080
*T4: Garbage fetch from memory address $1071 then handle page boundary crossing (since $1080 + $F1 crosses a page)*T5: Read the value from memory address $1171 into the accumulatorthen no operation in the last half-cycle
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