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Consider Disk II state machine state C to be a NOP
Continuation of #1224
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@ -149,7 +149,7 @@ void DiskII::decide_clocking_preference() {
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// none, given that drives are not running, the shift register has already emptied or stopped and there's no flux about to be received.
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// none, given that drives are not running, the shift register has already emptied or stopped and there's no flux about to be received.
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if(!(inputs_ & ~input_flux)) {
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if(!(inputs_ & ~input_flux)) {
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const bool is_stuck_at_nop =
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const bool is_stuck_at_nop =
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!flux_duration_ && state_machine_[(state_ & 0xf0) | inputs_ | ((shift_register_&0x80) >> 6)] == state_ && (state_ &0xf) == 0x8;
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!flux_duration_ && state_machine_[(state_ & 0xf0) | inputs_ | ((shift_register_ & 0x80) >> 6)] == state_ && ((state_ & 0xf) == 0x8 || (state_ & 0xf) == 0xc);
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clocking_preference_ =
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clocking_preference_ =
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(drive_is_sleeping_[0] && drive_is_sleeping_[1] && (!shift_register_ || is_stuck_at_nop) && (inputs_&input_flux))
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(drive_is_sleeping_[0] && drive_is_sleeping_[1] && (!shift_register_ || is_stuck_at_nop) && (inputs_&input_flux))
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