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29153: Unused
Code remnants in the routine at 29148. If this code were still in use, it would make the teacher skip wiping the board if it was already clean.
29153 DEFB 127 This was probably the operand of 'LD B,127'
29154 INC C C=1 + blackboard identifier
29155 LD A,(BC) A=number of the character who last wrote on the board
29156 AND A Is the board clean?
29157 JP Z,25252 Terminate this interruptible subcommand if so (there is nothing to wipe)
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