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Ensures a clean entry into the command phase.

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This commit is contained in:
Thomas Harte 2019-08-25 17:43:14 -04:00
parent ca08716c52
commit eafbc12cc1
1 changed files with 3 additions and 0 deletions
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3
Storage/MassStorage/SCSI/TargetImplementation.hpp
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@ -36,6 +36,8 @@ template <typename Executor> void Target<Executor>::scsi_bus_did_change(Bus *, B
((new_state & (Line::SelectTarget | Line::Busy | Line::Input)) == Line::SelectTarget) ((new_state & (Line::SelectTarget | Line::Busy | Line::Input)) == Line::SelectTarget)
) { ) {
phase_ = Phase::Command; phase_ = Phase::Command;
command_.resize(0);
command_pointer_ = 0;
bus_state_ |= Line::Busy; // Initiate the command phase: request a command byte. bus_state_ |= Line::Busy; // Initiate the command phase: request a command byte.
bus_.set_device_output(scsi_bus_device_id_, bus_state_); bus_.set_device_output(scsi_bus_device_id_, bus_state_);
} }
@ -60,6 +62,7 @@ template <typename Executor> void Target<Executor>::scsi_bus_did_change(Bus *, B
command_[command_pointer_] = uint8_t(new_state); command_[command_pointer_] = uint8_t(new_state);
++command_pointer_; ++command_pointer_;
if(command_pointer_ == command_.size()) { if(command_pointer_ == command_.size()) {
printf("Dispatching command\n");
dispatch_command(); dispatch_command();
// TODO: if(!dispatch_command()) signal_error_somehow(); // TODO: if(!dispatch_command()) signal_error_somehow();