C64 ROM | Routines |
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ABB5 | A5 13 | LDA $13 | get current I/O channel | |
This entry point is used by the routine at AB7B.
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ABB7 | 20 CC FF | JSR $FFCC | close input and output channels | |
ABBA | A2 00 | LDX #$00 | clear X | |
ABBC | 86 13 | STX $13 | clear current I/O channel, flag default | |
ABBE | 60 | RTS |
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