6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-04-05 04:37:41 +00:00
Code Issues Projects Releases Wiki Activity

Add an input queue, to avoid key drops.

Browse Source
This commit is contained in:
Thomas Harte 2023-12-02 22:29:49 -05:00
parent 41bd5298b7
commit c6b989d85b
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
Machines/PCCompatible/PCCompatible.cpp
View File

@ -410,15 +410,22 @@ class KeyboardController {
}
reset_delay_ -= cycles.as<int>();
if(reset_delay_ <= 0) {
input_.clear();
post(0xaa);
}
}
uint8_t read() {
pic_.apply_edge<1>(false);
if(input_.empty()) {
return 0;
}
const uint8_t key = input_;
input_ = 0;
const uint8_t key = input_.front();
input_.erase(input_.begin());
if(!input_.empty()) {
pic_.apply_edge<1>(true);
}
return key;
}
@ -426,7 +433,7 @@ class KeyboardController {
if(mode_ == Mode::NoIRQsIgnoreInput) {
return;
}
input_ = value;
input_.push_back(value);
pic_.apply_edge<1>(true);
}
@ -438,7 +445,7 @@ class KeyboardController {
Reset = 0b00,
} mode_;
uint8_t input_ = 0;
std::vector<uint8_t> input_;
PIC &pic_;
int reset_delay_ = 0;