Routines
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A1B4: Routine at A1B4
Used by the routines at A1C8, A1D2, A1DD and Handler_RoomExits.
A1B4 PUSH DE Stash DE and BC on the stack.
A1B5 PUSH BC
A1B6 EX DE,HL Exchange the DE and HL registers.
A1B7 LD L,A L=A.
A1B8 LD H,$00 H=00.
A1BA CALL $A155 Call A155.
A1BD ADD HL,DE HL+=DE.
A1BE LD B,C B=C.
A1BF INC B Increment B by one.
A1C0 XOR A A=00.
A1C1 SCF Set the carry flag.
A1C2 RLA RLA.
A1C3 DJNZ $A1C2 Decrease counter by one and loop back to A1C2 until counter is zero.
A1C5 POP BC Restore BC and DE from the stack.
A1C6 POP DE
A1C7 RET Return.
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