Routines
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C158: Interruptable routine 1
C158 LD A,($A441)
C15B LD C,A
C15C RLA
C15D SBC A,A
C15E LD B,A
C15F LD HL,($A44B)
C162 ADD HL,BC
C163 LD ($A44B),HL
C166 LD HL,$A446
C169 DEC (HL)
C16A JR Z,$C172
C16C LD BC,$0156
C16F JP $C075
C172 LD BC,($A441)
C176 LD (HL),B
C177 DEC HL
C178 INC (HL)
C179 XOR (HL)
C17A AND $02
C17C LD A,C
C17D JR NZ,$C183
C17F LD A,(HL)
C180 LD A,(HL)
C181 JR $C188
C183 NEG
C185 LD ($A441),A
C188 JP $C05C
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