8 lines
188 B
ArmAsm
8 lines
188 B
ArmAsm
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iec_pull_data_release_atn_clock:
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lda CI2PRA
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ora #BIT_CI2PRA_DAT_OUT ; pull
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and #$FF - BIT_CI2PRA_ATN_OUT - BIT_CI2PRA_CLK_OUT ; release
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sta CI2PRA
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rts
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