$F086/61574:   Get From RS232

Jump from $F150:

F086: AD 97 02  LDA $0297     ; RS232 Pseudo 6551 Status Register Image
F089: AC 9C 02  LDY $029C     ; RS232 Pointer: High Byte of Input Buffer
F08C: CC 9B 02  CPY $029B     ; RS232 Index to End of Input Buffer
F08F: F0 0B     BEQ $F09C
F091: 29 F7     AND #$F7
F093: 8D 97 02  STA $0297     ; RS232 Pseudo 6551 Status Register Image
F096: B1 F7     LDA ($F7),Y   ; RS232 Input Buffer Pointer
F098: EE 9C 02  INC $029C     ; RS232 Pointer: High Byte of Input Buffer
F09B: 60        RTS

Jump from $F08F:

F09C: 09 08     ORA #$08
F09E: 8D 97 02  STA $0297     ; RS232 Pseudo 6551 Status Register Image
F0A1: A9 00     LDA #$00
F0A3: 60        RTS

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