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Adds a TMS9918 skeleton plus enough in the MSX to get to a blank screen in SDL/kiosk mode.

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This commit is contained in:
Thomas Harte 2017-11-26 13:28:26 -05:00
parent 576d554a2c
commit a14b53a9ab
4 changed files with 100 additions and 2 deletions
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27
Components/9918/9918.cpp Normal file
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@ -0,0 +1,27 @@
//
// 9918.cpp
// Clock Signal
//
// Created by Thomas Harte on 25/11/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#include "9918.hpp"
using namespace TI;
TMS9918::TMS9918(Personality p) :
crt_(new Outputs::CRT::CRT(911, 1, Outputs::CRT::DisplayType::NTSC60, 3)) {
crt_->set_rgb_sampling_function(
"vec3 rgb_sample(usampler2D sampler, vec2 coordinate, vec2 icoordinate)"
"{"
"return texture(sampler, coordinate).rgb;"
"}");
}
std::shared_ptr<Outputs::CRT::CRT> TMS9918::get_crt() {
return crt_;
}
void TMS9918::run_for(const Cycles cycles) {
}

43
Components/9918/9918.hpp Normal file
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@ -0,0 +1,43 @@
//
// 9918.hpp
// Clock Signal
//
// Created by Thomas Harte on 25/11/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#ifndef _918_hpp
#define _918_hpp
#include "../../Outputs/CRT/CRT.hpp"
#include "../../ClockReceiver/ClockReceiver.hpp"
namespace TI {
class TMS9918 {
public:
enum Personality {
TMS9918A, // includes the 9928A
};
/*!
Constructs an instance of the drive controller that behaves according to personality @c p.
@param p The type of controller to emulate.
*/
TMS9918(Personality p);
std::shared_ptr<Outputs::CRT::CRT> get_crt();
/*!
Runs the VCP for the number of cycles indicate; it is an implicit assumption of the code
that the input clock rate is 3579545 Hz — the NTSC colour clock rate.
*/
void run_for(const Cycles cycles);
private:
std::shared_ptr<Outputs::CRT::CRT> crt_;
};
};
#endif /* _918_hpp */

16
Machines/MSX/MSX.cpp
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@ -11,17 +11,20 @@
#include "../../Processors/Z80/Z80.hpp"
#include "../../Components/1770/1770.hpp"
#include "../../Components/9918/9918.hpp"
#include "../../Components/8255/i8255.hpp"
#include "../../Components/AY38910/AY38910.hpp"
#include "../CRTMachine.hpp"
#include "../ConfigurationTarget.hpp"
namespace MSX {
class ConcreteMachine:
public Machine,
public CPU::Z80::BusHandler,
public CRTMachine::Machine {
public CRTMachine::Machine,
public ConfigurationTarget::Machine {
public:
ConcreteMachine():
z80_(*this) {
@ -29,13 +32,14 @@ class ConcreteMachine:
}
void setup_output(float aspect_ratio) override {
vdp_.reset(new TI::TMS9918(TI::TMS9918::TMS9918A));
}
void close_output() override {
}
std::shared_ptr<Outputs::CRT::CRT> get_crt() override {
return nullptr;
return vdp_->get_crt();
}
std::shared_ptr<Outputs::Speaker> get_speaker() override {
@ -45,9 +49,17 @@ class ConcreteMachine:
void run_for(const Cycles cycles) override {
z80_.run_for(cycles);
}
void configure_as_target(const StaticAnalyser::Target &target) override {
}
bool insert_media(const StaticAnalyser::Media &media) override {
return true;
}
private:
CPU::Z80::Processor<ConcreteMachine, false, false> z80_;
std::unique_ptr<TI::TMS9918> vdp_;
};
}

16
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
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@ -133,6 +133,8 @@
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@ -639,6 +641,8 @@
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@ -1364,6 +1368,15 @@
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@ -2515,6 +2528,7 @@
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