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Converted the Oric's video output into a ClockReceiver.

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This commit is contained in:
Thomas Harte 2017-07-22 23:11:30 -04:00
parent c2a7dffa7d
commit 6369138bd1
3 changed files with 6 additions and 4 deletions
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2
Machines/Oric/Oric.cpp
View File

@ -142,7 +142,7 @@ void Machine::flush() {
}
void Machine::update_video() {
video_output_->run_for_cycles(cycles_since_video_update_);
video_output_->run_for(Cycles(cycles_since_video_update_));
cycles_since_video_update_ = 0;
}

3
Machines/Oric/Video.cpp
View File

@ -74,13 +74,14 @@ std::shared_ptr<Outputs::CRT::CRT> VideoOutput::get_crt() {
return crt_;
}
void VideoOutput::run_for_cycles(int number_of_cycles) {
void VideoOutput::run_for(const Cycles &cycles) {
// Vertical: 0–39: pixels; otherwise blank; 48–53 sync, 54–56 colour burst
// Horizontal: 0–223: pixels; otherwise blank; 256–259 sync
#define clamp(action) \
if(cycles_run_for <= number_of_cycles) { action; } else cycles_run_for = number_of_cycles;
int number_of_cycles = int(cycles);
while(number_of_cycles) {
int h_counter = counter_ & 63;
int cycles_run_for = 0;

5
Machines/Oric/Video.hpp
View File

@ -10,14 +10,15 @@
#define Machines_Oric_Video_hpp
#include "../../Outputs/CRT/CRT.hpp"
#include "../../Components/ClockReceiver.hpp"
namespace Oric {
class VideoOutput {
class VideoOutput: public ClockReceiver<VideoOutput> {
public:
VideoOutput(uint8_t *memory);
std::shared_ptr<Outputs::CRT::CRT> get_crt();
void run_for_cycles(int number_of_cycles);
void run_for(const Cycles &cycles);
void set_colour_rom(const std::vector<uint8_t> &rom);
void set_output_device(Outputs::CRT::OutputDevice output_device);