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Improves exposition.

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This commit is contained in:
Thomas Harte 2019-04-29 19:07:14 -04:00
parent 2c1d8fa18a
commit 52e3dece81
1 changed files with 3 additions and 0 deletions
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Processors/68000/Implementation/68000Implementation.hpp
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@ -121,7 +121,9 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
// no instruction was ongoing. Either way, do a standard instruction operation. // no instruction was ongoing. Either way, do a standard instruction operation.
// TODO: is an interrupt pending? // TODO: is an interrupt pending?
if(trace_flag_) { if(trace_flag_) {
// The user has set the trace bit in the status register.
active_program_ = nullptr; active_program_ = nullptr;
active_micro_op_ = exception_micro_ops_; active_micro_op_ = exception_micro_ops_;
populate_trap_steps(9, get_status()); populate_trap_steps(9, get_status());
@ -163,6 +165,7 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
active_micro_op_ = active_program_->micro_operations; active_micro_op_ = active_program_->micro_operations;
} }
} else { } else {
// The opcode fetched isn't valid.
active_program_ = nullptr; active_program_ = nullptr;
active_micro_op_ = exception_micro_ops_; active_micro_op_ = exception_micro_ops_;