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Tweak timing to once again pass BIOS controller test.

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This commit is contained in:
Thomas Harte 2025-03-12 12:31:29 -04:00
parent e76ca304e6
commit 592cea6a27
2 changed files with 26 additions and 11 deletions
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35
Machines/PCCompatible/KeyboardController.hpp
View File

@ -159,7 +159,11 @@ public:
command_ = value;
has_command_ = true;
command_phase_ = CommandPhase::WaitingForData;
write_delay_ = 10;
write_delay_ = performance_delay(command_);
if(!write_delay_) {
perform_command();
}
break;
}
}
@ -215,22 +219,33 @@ public:
}
private:
static constexpr bool requires_parameter(const uint8_t command) {
return
(command >= 0x60 && command < 0x80) ||
(command == 0xc1) || (command == 0xc2) ||
(command >= 0xd1 && command < 0xd5);
}
static constexpr int performance_delay(const uint8_t command) {
if(requires_parameter(command)) {
return 3;
}
switch(command) {
case 0xaa: return 5;
default: return 0;
}
}
void perform_command() {
// Wait for a command.
if(!has_command_) return;
// Wait for a parameter if one is needed.
if(
(command_ >= 0x60 && command_ < 0x80) ||
(command_ == 0xc1) || (command_ == 0xc2) ||
(command_ >= 0xd1 && command_ < 0xd5)
) {
if(!has_output_) {
return;
}
if(requires_parameter(command_) && !has_output_) {
return;
}
{
auto info = log_.info();
info.append("Keyboard command: %02x", command_);

2
Machines/PCCompatible/PCCompatible.cpp
View File

@ -920,7 +920,7 @@ private:
using namespace PCCompatible;
namespace {
static constexpr bool ForceAT = false;
static constexpr bool ForceAT = true;
template <Target::VideoAdaptor video>
std::unique_ptr<Machine> machine(const Target &target, const ROMMachine::ROMFetcher &rom_fetcher) {