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X80

2 bytes removed, 22:25, 21 March 2011
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address of the stack pointer. It then halts the Z80, and performs the floating
point operations, reading the calculator instructions as native op-codes until it
reads the a FEND FCE instruction. At this point it replaces the contents of the stackpointer with the next address after the FEND FCE instruction, forces a RET instruction
onto the bus and returns control to the Z80.

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