Harrier Attack: Routine at 6DD0

6DD0: Routine at 6DD0

Used by the routines at ENTRY, 6A24, 6EF0, 6FFD and 7078.
6DD0	LD HL,$5C78
6DD3	LD A,(HL)
6DD4	CP (HL)
6DD5	JR Z,$6DD4
6DD7	LD HL,$0000
6DDA	PUSH HL
6DDB	POP DE
6DDC	LD BC,$0001
6DDF	LDIR
6DE1	LD A,($5B22)
6DE4	OR A
6DE5	JR NZ,$6DF6
6DE7	LD HL,($5B20)
6DEA	CALL $709D
6DED	INC DE
6DEE	LD A,(DE)
6DEF	CP $28
6DF1	JR NZ,$6DF6
6DF3	LD A,$2D
6DF5	LD (DE),A
6DF6	LD A,($5B01)
6DF9	OR A
6DFA	JR Z,$6E0A
6DFC	LD HL,($5B02)
6DFF	CALL $60F6
6E02	LD A,(DE)
6E03	CP $2F
6E05	JR Z,$6E0A
6E07	LD A,$2D
6E09	LD (DE),A
6E0A	LD A,($5B21)
6E0D	RET