$F8D0/63696:   Check Tape Stop

Jump from $F821, $F8C7:

F8D0: 20 E1 FF  JSR $FFE1     ; Test-Stop Vector
F8D3: 18        CLC
F8D4: D0 0B     BNE $F8E1
F8D6: 20 93 FC  JSR $FC93     ; Restore Normal IRQ
F8D9: 38        SEC
F8DA: 68        PLA
F8DB: 68        PLA

Jump from $F86E, $F8C5:

F8DC: A9 00     LDA #$00
F8DE: 8D A0 02  STA $02A0     ; Temp. store for IRQ Vector during Tape I/O

Jump from $F8D4:

F8E1: 60        RTS

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