this is probably very overcomplicated but it works
Viewing post in Can one still make a pulse-former?
I hate to ask, but can you post a screenshot that isn't quite as densely wired? I'm having trouble seeing what's connected to what here.
edit: I thought I had it, but this is behaving like an SR Latch, not a pulse former, so either I'm doing something wrong, or I wasn't clear on the desired behaviour.