46 lines
736 B
ArmAsm
46 lines
736 B
ArmAsm
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//
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// Arbitration code for normal/turbo transfer
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//
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#if CONFIG_IEC_JIFFYDOS || CONFIG_IEC_DOLPHINDOS
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iec_tx_dispatch:
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php // preserve C flag for EOI indication
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lda IECPROTO
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#if CONFIG_IEC_JIFFYDOS
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cmp #$01
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beq iec_tx_dispatch_jiffydos
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#endif // CONFIG_IEC_JIFFYDOS
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#if CONFIG_IEC_DOLPHINDOS
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cmp #$02
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beq iec_tx_dispatch_dolphindos
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#endif // CONFIG_IEC_DOLPHINDOS
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// FALLTROUGH
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iec_tx_dispatch_normal:
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plp
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jmp iec_tx_byte
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#if CONFIG_IEC_JIFFYDOS
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iec_tx_dispatch_jiffydos:
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plp
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jmp iec_tx_byte_jiffydos
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#endif // CONFIG_IEC_JIFFYDOS
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#if CONFIG_IEC_DOLPHINDOS
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iec_tx_dispatch_dolphindos:
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plp
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jmp iec_tx_byte_dolphindos
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#endif // CONFIG_IEC_DOLPHINDOS
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#endif // any turbo supported
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