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mirror of https://github.com/TomHarte/CLK.git synced 2024-11-22 12:33:29 +00:00

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

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

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 */

View File

@ -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 {
@ -46,8 +50,16 @@ class ConcreteMachine:
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_;
};
}

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@ -133,6 +133,8 @@
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@ -639,6 +641,8 @@
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@ -1364,6 +1368,15 @@
name = MSX;
sourceTree = "<group>";
};
4B0E04F71FC9F2C800F43484 /* 9918 */ = {
isa = PBXGroup;
children = (
4B0E04F91FC9FA3100F43484 /* 9918.cpp */,
4B0E04F81FC9FA3000F43484 /* 9918.hpp */,
);
name = 9918;
sourceTree = "<group>";
};
4B1414561B58879D00E04248 /* 6502 */ = {
isa = PBXGroup;
children = (
@ -2515,6 +2528,7 @@
4BE845221F2FF7F400A5EA22 /* 6845 */,
4BD9137C1F3115AC009BCF85 /* 8255 */,
4BBC951F1F368D87008F4C34 /* 8272 */,
4B0E04F71FC9F2C800F43484 /* 9918 */,
);
name = Components;
path = ../../Components;
@ -3164,6 +3178,7 @@
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buildActionMask = 2147483647;
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4B0E04FB1FC9FA3100F43484 /* 9918.cpp in Sources */,
4B055AAA1FAE85F50060FFFF /* CPM.cpp in Sources */,
4B055A9A1FAE85CB0060FFFF /* MFMDiskController.cpp in Sources */,
4B055ACB1FAE9AFB0060FFFF /* SerialBus.cpp in Sources */,
@ -3370,6 +3385,7 @@
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