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Resolve potential crash at startup.

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This commit is contained in:
Thomas Harte
2025-09-29 16:13:56 -04:00
parent 7316fe00ee
commit 67339754e3
1 changed files with 6 additions and 3 deletions
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Machines/Acorn/BBCMicro/BBCMicro.cpp
+6 -3
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@@ -120,7 +120,7 @@ struct SystemVIAPortHandler: public MOS::MOS6522::IRQDelegatePortHandler {
SystemVIAPortHandler(Audio &audio, VideoBaseAddress &video_base, SystemVIA &via, const bool run_disk) :
audio_(audio), video_base_(video_base), via_(via)
{
set_key(6, run_disk);
set_key_flag(6, run_disk);
}
// CA2: key pressed;
@@ -197,7 +197,7 @@ struct SystemVIAPortHandler: public MOS::MOS6522::IRQDelegatePortHandler {
}
void set_key(const uint8_t key, const bool pressed) {
key_column(key)[key_row(key)] = pressed;
set_key_flag(key, pressed);
update_ca2();
}
@@ -247,6 +247,9 @@ private:
std::array<KeyRow, 16> key_states_{};
int keyboard_scan_column_ = 0;
void set_key_flag(const uint8_t key, const bool pressed) {
key_column(key)[key_row(key)] = pressed;
}
KeyRow &key_column(const uint8_t key) {
return key_states_[key & 0xf];
}
@@ -554,7 +557,7 @@ private:
using CRTC = Motorola::CRTC::CRTC6845<
CRTCBusHandler,
Motorola::CRTC::Personality::HD6845S,
Motorola::CRTC::CursorType::MDA>;
Motorola::CRTC::CursorType::Native>;
}
template <bool has_1770>