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Ensures cards get messaged regardless of memory area.

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This commit is contained in:
Thomas Harte 2018-05-22 21:49:34 -04:00
parent ea92363e6c
commit f9c25372c2
1 changed files with 19 additions and 13 deletions
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32
Machines/AppleII/AppleII.cpp
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@ -66,7 +66,7 @@ class ConcreteMachine:
void update_audio() {
speaker_.run_for(audio_queue_, cycles_since_audio_update_.divide(Cycles(audio_divider)));
}
void update_cards() {
void update_just_in_time_cards() {
for(const auto &card : just_in_time_cards_) {
card->run_for(cycles_since_card_update_, stretched_cycles_since_card_update_);
}
@ -238,8 +238,9 @@ class ConcreteMachine:
}
else if(address < 0xd000) block = nullptr;
else if(address < 0xe000) {block = &memory_blocks_[2]; address -= 0xd000; }
else {block = &memory_blocks_[3]; address -= 0xe000; }
else { block = &memory_blocks_[3]; address -= 0xe000; }
bool has_updated_cards = false;
if(block) {
if(isReadOperation(operation)) *value = block->read_pointer[address];
else if(block->write_pointer) block->write_pointer[address] = *value;
@ -333,7 +334,7 @@ class ConcreteMachine:
}
/*
Communication with cards.
Communication with cards follows.
*/
if(address >= 0xc090 && address < 0xc800) {
@ -360,10 +361,11 @@ class ConcreteMachine:
// If the selected card is a just-in-time card, update the just-in-time cards,
// and then message it specifically.
const bool is_read = isReadOperation(operation);
AppleII::Card *const target = cards_[card_number].get();
if(target && !is_every_cycle_card(target)) {
update_cards();
target->perform_bus_operation(select, isReadOperation(operation), address, value);
update_just_in_time_cards();
target->perform_bus_operation(select, is_read, address, value);
}
// Update all the every-cycle cards regardless, but send them a ::None select if they're
@ -372,14 +374,18 @@ class ConcreteMachine:
card->run_for(Cycles(1), is_stretched_cycle);
card->perform_bus_operation(
(card == target) ? select : AppleII::Card::None,
isReadOperation(operation), address, value);
}
} else {
// Update all every-cycle cards and give them the cycle.
for(const auto &card: every_cycle_cards_) {
card->run_for(Cycles(1), is_stretched_cycle);
card->perform_bus_operation(AppleII::Card::None, isReadOperation(operation), address, value);
is_read, address, value);
}
has_updated_cards = true;
}
}
if(!has_updated_cards && !every_cycle_cards_.empty()) {
// Update all every-cycle cards and give them the cycle.
const bool is_read = isReadOperation(operation);
for(const auto &card: every_cycle_cards_) {
card->run_for(Cycles(1), is_stretched_cycle);
card->perform_bus_operation(AppleII::Card::None, is_read, address, value);
}
}
@ -389,7 +395,7 @@ class ConcreteMachine:
void flush() {
update_video();
update_audio();
update_cards();
update_just_in_time_cards();
audio_queue_.perform();
}