; Thunderbirds (U) application-specific RAM aliases - Pass 1 ; Generated from every direct zero-page operand in reachable code: ; ref counts are reads/writes, `where` lists the referencing addresses. ; ZpXX names indicate storage with a role not yet unique enough for a behavioral name; ; Pass 2 replaces them with names derived from observed usage. Zp36 = $36 ; 4 refs; reads=2 writes=2; used at $C603, C60B ZpB2 = $B2 ; 1 refs; reads=0 writes=1; used at $C609