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Pull input from the typer.

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This commit is contained in:
Thomas Harte
2025-01-03 21:03:56 -05:00
parent c618d18d46
commit fc04742151
1 changed files with 19 additions and 3 deletions
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22
Machines/Commodore/Plus4/Plus4.cpp
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@@ -24,6 +24,8 @@
#include "../SerialBus.hpp" #include "../SerialBus.hpp"
#include "../1540/C1540.hpp" #include "../1540/C1540.hpp"
#include <algorithm>
using namespace Commodore; using namespace Commodore;
using namespace Commodore::Plus4; using namespace Commodore::Plus4;
@@ -177,9 +179,9 @@ public:
tape_player_ = std::make_unique<Storage::Tape::BinaryTapePlayer>(clock); tape_player_ = std::make_unique<Storage::Tape::BinaryTapePlayer>(clock);
insert_media(target.media); insert_media(target.media);
if(!target.loading_command.empty()) { // if(!target.loading_command.empty()) {
type_string(target.loading_command); // type_string(target.loading_command);
} // }
} }
~ConcreteMachine() { ~ConcreteMachine() {
@@ -323,6 +325,16 @@ public:
case 0xff05: timers_.write<5>(*value); break; case 0xff05: timers_.write<5>(*value); break;
case 0xff08: case 0xff08:
// Observation here: the kernel posts a 0 to this
// address upon completing each keyboard scan cycle,
// once per frame.
if(typer_ && !*value) {
if(!typer_->type_next_character()) {
clear_all_keys();
typer_.reset();
}
}
keyboard_latch_ = ~( keyboard_latch_ = ~(
((*value & 0x01) ? 0x00 : key_states_[0]) | ((*value & 0x01) ? 0x00 : key_states_[0]) |
((*value & 0x02) ? 0x00 : key_states_[1]) | ((*value & 0x02) ? 0x00 : key_states_[1]) |
@@ -524,6 +536,10 @@ private:
} }
} }
void clear_all_keys() final {
std::fill(key_states_.begin(), key_states_.end(), 0);
}
std::array<uint8_t, 8> key_states_{}; std::array<uint8_t, 8> key_states_{};
uint8_t keyboard_latch_ = 0xff; uint8_t keyboard_latch_ = 0xff;