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Catch row selection correctly; simplify mutation.

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Thomas Harte committed 2026-05-13 17:16:30 -04:00
1 parent 3a16f2afae
commit a841994aa1
1 file changed
+7 -7
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Machines/Tandy/CoCo/CoCo.cpp
+7 -7
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@@ -426,7 +426,7 @@ private:
template <Motorola::MC6821::Port port>
void output(const uint8_t value) {
if constexpr (port == Motorola::MC6821::Port::B) {
if constexpr (port == Motorola::MC6821::Port::A) {
keyboard_row_ = value;
}
if constexpr (port == Motorola::MC6821::Port::B) {
@@ -458,14 +458,14 @@ private:
}
void set_key_pressed(const int column, const int row, bool is_pressed) {
const auto column_mask = uint8_t(0xff ^ (1 << column));
const auto row_mask = uint8_t(0xff ^ (1 << row));
const auto column_mask = uint8_t(1 << column);
const auto row_mask = uint8_t(1 << row);
key_columns_[row] &= column_mask;
key_rows_[column] &= row_mask;
key_columns_[row] &= ~column_mask;
key_rows_[column] &= ~row_mask;
if(!is_pressed) {
key_columns_[row] |= ~column_mask;
key_rows_[column] |= ~row_mask;
key_columns_[row] |= column_mask;
key_rows_[column] |= row_mask;
}
}