C2/2282: B9 F9 3E     LDA $3EF9,Y
C2/2285: 0A           ASL 
C2/2286: 10 0B        BPL $2293      (Branch if not dog block)
C2/2288: 20 53 4B     JSR $4B53      (0 or 1)
C2/228B: 90 06        BCC $2293      (50% chance)
C2/228D: A9 40        LDA #$40
C2/228F: 85 FE        STA $FE        (set dog block animation flag)
C2/2291: 80 22        BRA $22B5      (Miss)
C2/2293: AD 36 3A     LDA $3A36
C2/2296: 0D 37 3A     ORA $3A37
C2/2299: F0 06        BEQ $22A1      (Branch if no Golem)
C2/229B: A9 20        LDA #$20
C2/229D: 85 FE        STA $FE        (set golem block animation flag)
C2/229F: 80 14        BRA $22B5      (Miss)

=============

; ------ changes start at C2/228F ------

C2/2282: B9 F9 3E     LDA $3EF9,Y
C2/2285: 0A           ASL 
C2/2286: 10 09        BPL $2291      (Branch if no Dog Block status)
C2/2288: 20 53 4B     JSR $4B53      (0 or 1)
C2/228B: 90 04        BCC $2291      (50% chance)
C2/228D: A9 40        LDA #$40
C2/228F: 04 FE        TSB $FE        (set dog block animation flag)
C2/2291: AD 36 3A     LDA $3A36
C2/2294: 0D 37 3A     ORA $3A37
C2/2297: F0 04        BEQ $229D      (Branch if no Golem)
C2/2299: A9 20        LDA #$20
C2/229B: 04 FE        TSB $FE        (set Golem block animation flag)
C2/229D: A5 FE        LDA $FE        (did Interceptor and/or Esper protection
                                      kick in?)
C2/229F: D0 14        BNE $22B5      (Miss if so.  We'll choose between them
                                      [and equipment animations] in C2/23BF.)