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PHP

; Wolverine (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.
Zp01 = $01 ; 2 refs; reads=1 writes=1; used at $FF56
Zp04 = $04 ; 1 refs; reads=1 writes=0; used at $FD03
Zp84 = $84 ; 2 refs; reads=2 writes=0; used at $FF58, FF5E
Zp8A = $8A ; 4 refs; reads=3 writes=1; used at $FCFF, FD05, FF6A
ZpA1 = $A1 ; 4 refs; reads=2 writes=2; used at $FF5A, FF66
ZpF0 = $F0 ; 2 refs; reads=0 writes=2; used at $FF5C, FF68