NOP
PUSH BC
PUSH DE
LD   A,#FF
LD   C,#FC
OUT  (C),A
IN   B,(C)
XOR  A
OUT  (C),A
IN   A,(C)
XOR  B
LD   L,A
LD   A,#03
OUT  (C),A
LD   H,#00
INC  HL
ADD  HL,HL
ADD  HL,HL
ADD  HL,HL
ADD  HL,HL
LD   DE,#3030
LD   B,D
LD   C,B
LD   A,#3A
INC  B
CP   B
JR   NZ,#3EC0
LD   B,#30
INC  C
CP   C
JR   NZ,#3EC0
LD   C,B
INC  D
CP   D
JR   NZ,#3EC0
LD   D,C
INC  E
DEC  HL
XOR  A
OR   L
JR   NZ,#3EAD
OR   H
JR   NZ,#3EAD
LD   A,E
CP   #30
JR   NZ,#3ECF
LD   E,#20
LD   A,E
CALL #1224
LD   A,D
CALL #1224
LD   A,C
CALL #1224
LD   A,B
CALL #1224
POP  DE
POP  BC
RET