20 lines
280 B
ArmAsm
20 lines
280 B
ArmAsm
#if ROM_LAYOUT_STD || (ROM_LAYOUT_M65 && SEGMENT_KERNAL_0)
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#if CONFIG_IEC
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iec_wait_for_data_pull:
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lda CIA2_PRA
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// Check the highest bit, which is DATA IN,
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// (highest bit set = negative value)
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bmi iec_wait_for_data_pull
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rts
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#endif // CONFIG_IEC
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#endif // ROM layout
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