0066 F5        PUSH    AF		; \ Save current values
0067 E5        PUSH    HL		; / held in these registers
0068 2AB05C    LD      HL,($5CB0)	; <- This 2-byte value
006B 7C        LD      A,H		;    must be $0000 for
006C B5        OR      L		;    reset to occur
006D 2001      JR      NZ,$0070		; If non-zero, skip the soft reset
006F E9        JP      (HL)		; If zero, do a soft reset (JP $0000)
0070 E1        POP     HL		; \ If reset skipped, restore
0071 F1        POP     AF		; / the 2 registers saved at beginning...
0072 ED45      RETN    			; ... and RET from NMI