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Resolves potential source of errors: specifying incorrect table size.

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(Having made exactly this mistake with the ZX Spectrum)
This commit is contained in:
Thomas Harte 2021-04-24 12:10:28 -04:00
parent 17f11a3be3
commit 9cc747b3e2
7 changed files with 15 additions and 21 deletions
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2
Machines/AmstradCPC/Keyboard.cpp
View File

@ -151,7 +151,7 @@ const uint16_t *CharacterMapper::sequence_for_character(char character) const {
#undef SHIFT
#undef X
return table_lookup_sequence_for_character(key_sequences, sizeof(key_sequences), character);
return table_lookup_sequence_for_character(key_sequences, character);
}
bool CharacterMapper::needs_pause_after_key(uint16_t key) const {

2
Machines/Commodore/Vic-20/Keyboard.cpp
View File

@ -151,5 +151,5 @@ const uint16_t *CharacterMapper::sequence_for_character(char character) const {
#undef SHIFT
#undef X
return table_lookup_sequence_for_character(key_sequences, sizeof(key_sequences), character);
return table_lookup_sequence_for_character(key_sequences, character);
}

2
Machines/Electron/Keyboard.cpp
View File

@ -145,7 +145,7 @@ const uint16_t *CharacterMapper::sequence_for_character(char character) const {
#undef SHIFT
#undef X
return table_lookup_sequence_for_character(key_sequences, sizeof(key_sequences), character);
return table_lookup_sequence_for_character(key_sequences, character);
}
bool CharacterMapper::needs_pause_after_key(uint16_t key) const {

2
Machines/Oric/Keyboard.cpp
View File

@ -127,5 +127,5 @@ const uint16_t *CharacterMapper::sequence_for_character(char character) const {
#undef SHIFT
#undef X
return table_lookup_sequence_for_character(key_sequences, sizeof(key_sequences), character);
return table_lookup_sequence_for_character(key_sequences, character);
}

6
Machines/Sinclair/Keyboard/Keyboard.cpp
View File

@ -275,13 +275,13 @@ const uint16_t *CharacterMapper::sequence_for_character(char character) const {
switch(machine_) {
case Machine::ZX80:
return table_lookup_sequence_for_character(zx80_key_sequences, sizeof(zx80_key_sequences), character);
return table_lookup_sequence_for_character(zx80_key_sequences, character);
case Machine::ZX81:
return table_lookup_sequence_for_character(zx81_key_sequences, sizeof(zx81_key_sequences), character);
return table_lookup_sequence_for_character(zx81_key_sequences, character);
case Machine::ZXSpectrum:
return table_lookup_sequence_for_character(spectrum_key_sequences, sizeof(zx81_key_sequences), character);
return table_lookup_sequence_for_character(spectrum_key_sequences, character);
}
}

10
Machines/Utility/Typer.cpp
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@ -131,13 +131,3 @@ bool Typer::type_next_character() {
return true;
}
// MARK: - Character mapper
const uint16_t *CharacterMapper::table_lookup_sequence_for_character(const KeySequence *sequences, std::size_t length, char character) const {
std::size_t ucharacter = size_t((unsigned char)character);
if(ucharacter >= (length / sizeof(KeySequence))) return nullptr;
if(sequences[ucharacter][0] == MachineTypes::MappedKeyboardMachine::KeyNotMapped) return nullptr;
return sequences[ucharacter];
}

12
Machines/Utility/Typer.hpp
View File

@ -44,11 +44,15 @@ class CharacterMapper {
typedef uint16_t KeySequence[16];
/*!
Provided in the base class as a convenience: given the lookup table of key sequences @c sequences,
with @c length entries, returns the sequence for character @c character if it exists; otherwise
returns @c nullptr.
Provided in the base class as a convenience: given the C array of key sequences @c sequences,
returns the sequence for character @c character if it exists; otherwise returns @c nullptr.
*/
const uint16_t *table_lookup_sequence_for_character(const KeySequence *sequences, std::size_t length, char character) const;
template <typename Collection> const uint16_t *table_lookup_sequence_for_character(const Collection &sequences, char character) const {
std::size_t ucharacter = size_t((unsigned char)character);
if(ucharacter >= sizeof(sequences) / sizeof(KeySequence)) return nullptr;
if(sequences[ucharacter][0] == MachineTypes::MappedKeyboardMachine::KeyNotMapped) return nullptr;
return sequences[ucharacter];
}
};
/*!