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Corrects EA selection logic, fixing MOVEP.

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This commit is contained in:
Thomas Harte 2019-07-02 13:54:21 -04:00
parent 0a67cc3dab
commit c4cbe9476c
1 changed files with 2 additions and 3 deletions
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5
Processors/68000/Implementation/68000Storage.cpp
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@ -361,12 +361,11 @@ struct ProcessorStorageConstructor {
step.microcycle.operation = Microcycle::SameAddress | (is_read ? Microcycle::Read : 0) | (read_full_words ? Microcycle::SelectWord : Microcycle::SelectByte);
if(post_adjustment) {
// nr and nR should affect address 0; nw, nW, nrd and nRd should affect address 1.
if(tolower(access_pattern[1]) == 'r' && token_length == 2) {
assert((*address_iterator == &storage_.effective_address_[0].full) || (*address_iterator == &storage_.effective_address_[1].full));
if(*address_iterator == &storage_.effective_address_[0].full) {
step.action = (post_adjustment > 0) ? Action::IncrementEffectiveAddress0 : Action::DecrementEffectiveAddress0;
} else {
step.action = (post_adjustment > 0) ? Action::IncrementEffectiveAddress1 : Action::DecrementEffectiveAddress1;
}
}
steps.push_back(step);