How do I latch debug leds to address and data?
1) has been tried and found ineffective
2) If you insist latch a7-a0 from P0 clocked by an and of p1.0 and ALE. Latch a15-18 from P2 clocked by an or of WR and p1.0. Latch data from P0 clocked by an or of WR and p1.0.

Then, when your program set p1.0 the address and data will be latched on any write.

Erik