$DE2B/56875:   buffer pointer to zero

Jump from $DDFD, $DE0C, $DE19, $E1B2, $E2E2:

DE2B: 20 93 DF  JSR $DF93       ; get buffer number
DE2E: 0A        ASL             ; times 2
DE2F: AA        TAX
DE30: B5 9A     LDA $9A,X       ; buffer pointer hi
DE32: 85 95     STA $95
DE34: A9 00     LDA #$00
DE36: 85 94     STA $94         ; buffer pointer lo
DE38: A0 00     LDY #$00
DE3A: 60        RTS

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