6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-27 01:31:42 +00:00
Code Issues Projects Releases Wiki Activity

Made some minor documentation improvements, killed 6522.cpp as the 6522 is going to be a template only, attempting to promote good inlining behaviour.

Browse Source
This commit is contained in:
Thomas Harte 2016-06-19 18:11:37 -04:00
parent 0cbf0cf8fc
commit ce2f5515c0
6 changed files with 67 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Components/6522/6522.cpp
View File

@ -1,12 +0,0 @@
//
// 6522.cpp
// Clock Signal
//
// Created by Thomas Harte on 06/06/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#include "6522.hpp"
using namespace MOS;

28
Components/6522/6522.hpp
View File

@ -14,6 +14,17 @@
namespace MOS {
/*!
Implements the template for an emulation of the MOS 6522 Versatile Interface Adaptor ('VIA').
The VIA provides:
* two timers, each of which may trigger interrupts and one of which may repeat;
* two digial input/output ports; and
* a serial-to-parallel shifter.
Consumers should derive their own curiously-recurring-template-pattern subclass of MOS6522,
implementing bus communications as required for the specific machine.
*/
template <class T> class MOS6522 {
private:
enum InterruptFlag: uint8_t {
@ -27,6 +38,7 @@ template <class T> class MOS6522 {
};
public:
/*! Sets a register value. */
void set_register(int address, uint8_t value)
{
address &= 0xf;
@ -98,6 +110,7 @@ template <class T> class MOS6522 {
}
}
/*! Gets a register value. */
uint8_t get_register(int address)
{
address &= 0xf;
@ -143,6 +156,16 @@ template <class T> class MOS6522 {
{
}
/*!
Runs for a specified number of half cycles.
Although the original chip accepts only a phase-2 input, timer reloads are specified as occuring
1.5 cycles after the timer hits zero. It is therefore necessary to emulate at half-cycle precision.
The first emulated half-cycle will be the period between the trailing edge of a phase-2 input and the
next rising edge. So it should align with a full system's phase-1. The next emulated half-cycle will be
that which occurs during phase-2.
*/
void run_for_half_cycles(unsigned int number_of_cycles)
{
while(number_of_cycles--)
@ -188,6 +211,7 @@ template <class T> class MOS6522 {
}
}
/*! @returns @c true if the IRQ line is currently active; @c false otherwise. */
bool get_interrupt_line()
{
uint8_t interrupt_status = _registers.interrupt_flags & _registers.interrupt_enable & 0x7f;
@ -249,6 +273,10 @@ template <class T> class MOS6522 {
bool _timer_is_running[2];
};
/*!
Provided for optional composition with @c MOS6522, @c MOS6522IRQDelegate provides for a delegate
that will receive IRQ line change notifications.
*/
class MOS6522IRQDelegate {
public:
class Delegate {

9
Components/6532/6532.cpp Normal file
View File

@ -0,0 +1,9 @@
//
// 6532.cpp
// Clock Signal
//
// Created by Thomas Harte on 19/06/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#include "6532.hpp"

14
Components/6532/6532.hpp Normal file
View File

@ -0,0 +1,14 @@
//
// 6532.hpp
// Clock Signal
//
// Created by Thomas Harte on 19/06/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef _532_hpp
#define _532_hpp
#include <stdio.h>
#endif /* _532_hpp */

4
Components/6560/6560.hpp
View File

@ -15,9 +15,9 @@
namespace MOS {
/*!
The 6560 is a video and audio output chip; it therefore vends both a @c CRT and a @c Speaker.
The 6560 Video Interface Chip ('VIC') is a video and audio output chip; it therefore vends both a @c CRT and a @c Speaker.
To run the 6560 for a cycle, the caller should call @c get_address, make the requested bus access
To run the VIC for a cycle, the caller should call @c get_address, make the requested bus access
and call @c set_graphics_value with the result.
@c set_register and @c get_register provide register access.

18
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -14,6 +14,7 @@
4B1414601B58885000E04248 /* WolfgangLorenzTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B14145F1B58885000E04248 /* WolfgangLorenzTests.swift */; };
4B1414621B58888700E04248 /* KlausDormannTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B1414611B58888700E04248 /* KlausDormannTests.swift */; };
4B1E85751D170228001EF87D /* Typer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B1E85731D170228001EF87D /* Typer.cpp */; };
4B1E857C1D174DEC001EF87D /* 6532.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B1E857A1D174DEC001EF87D /* 6532.cpp */; };
4B2409551C45AB05004DA684 /* Speaker.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2409531C45AB05004DA684 /* Speaker.cpp */; };
4B2A539F1D117D36003C6002 /* CSAudioQueue.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2A53911D117D36003C6002 /* CSAudioQueue.m */; };
4B2A53A01D117D36003C6002 /* CSMachine.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4B2A53961D117D36003C6002 /* CSMachine.mm */; };
@ -320,7 +321,6 @@
4BC76E6B1C98F43700E6EF73 /* Accelerate.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4BC76E6A1C98F43700E6EF73 /* Accelerate.framework */; };
4BC9DF451D044FCA00F44158 /* ROMImages in Resources */ = {isa = PBXBuildFile; fileRef = 4BC9DF441D044FCA00F44158 /* ROMImages */; };
4BC9DF4F1D04691600F44158 /* 6560.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BC9DF4D1D04691600F44158 /* 6560.cpp */; };
4BCA98C31D065CA20062F44C /* 6522.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BCA98C11D065CA20062F44C /* 6522.cpp */; };
4BD5F1951D13528900631CD1 /* CSBestEffortUpdater.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BD5F1941D13528900631CD1 /* CSBestEffortUpdater.m */; };
/* End PBXBuildFile section */
@ -355,6 +355,8 @@
4B1414611B58888700E04248 /* KlausDormannTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = KlausDormannTests.swift; sourceTree = "<group>"; };
4B1E85731D170228001EF87D /* Typer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Typer.cpp; sourceTree = "<group>"; };
4B1E85741D170228001EF87D /* Typer.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Typer.hpp; sourceTree = "<group>"; };
4B1E857A1D174DEC001EF87D /* 6532.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = 6532.cpp; sourceTree = "<group>"; };
4B1E857B1D174DEC001EF87D /* 6532.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = 6532.hpp; sourceTree = "<group>"; };
4B2409531C45AB05004DA684 /* Speaker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Speaker.cpp; path = ../../Outputs/Speaker.cpp; sourceTree = "<group>"; };
4B2409541C45AB05004DA684 /* Speaker.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Speaker.hpp; path = ../../Outputs/Speaker.hpp; sourceTree = "<group>"; };
4B24095A1C45DF85004DA684 /* Stepper.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Stepper.hpp; sourceTree = "<group>"; };
@ -699,7 +701,6 @@
4BC9DF441D044FCA00F44158 /* ROMImages */ = {isa = PBXFileReference; lastKnownFileType = folder; name = ROMImages; path = ../../../../ROMImages; sourceTree = "<group>"; };
4BC9DF4D1D04691600F44158 /* 6560.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = 6560.cpp; sourceTree = "<group>"; };
4BC9DF4E1D04691600F44158 /* 6560.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = 6560.hpp; sourceTree = "<group>"; };
4BCA98C11D065CA20062F44C /* 6522.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = 6522.cpp; sourceTree = "<group>"; };
4BCA98C21D065CA20062F44C /* 6522.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = 6522.hpp; sourceTree = "<group>"; };
4BD5F1931D13528900631CD1 /* CSBestEffortUpdater.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CSBestEffortUpdater.h; path = Updater/CSBestEffortUpdater.h; sourceTree = "<group>"; };
4BD5F1941D13528900631CD1 /* CSBestEffortUpdater.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = CSBestEffortUpdater.m; path = Updater/CSBestEffortUpdater.m; sourceTree = "<group>"; };
@ -765,6 +766,15 @@
name = "Test Binaries";
sourceTree = "<group>";
};
4B1E85791D174DEC001EF87D /* 6532 */ = {
isa = PBXGroup;
children = (
4B1E857A1D174DEC001EF87D /* 6532.cpp */,
4B1E857B1D174DEC001EF87D /* 6532.hpp */,
);
path = 6532;
sourceTree = "<group>";
};
4B2409591C45DF85004DA684 /* SignalProcessing */ = {
isa = PBXGroup;
children = (
@ -1304,6 +1314,7 @@
isa = PBXGroup;
children = (
4BC9DF4B1D04691600F44158 /* 6522 */,
4B1E85791D174DEC001EF87D /* 6532 */,
4BC9DF4C1D04691600F44158 /* 6560 */,
);
name = Components;
@ -1313,7 +1324,6 @@
4BC9DF4B1D04691600F44158 /* 6522 */ = {
isa = PBXGroup;
children = (
4BCA98C11D065CA20062F44C /* 6522.cpp */,
4BCA98C21D065CA20062F44C /* 6522.hpp */,
);
path = 6522;
@ -1764,8 +1774,8 @@
4BBF99181C8FBA6F0075DAFB /* TextureTarget.cpp in Sources */,
4BC76E691C98E31700E6EF73 /* FIRFilter.cpp in Sources */,
4B55CE5F1C3B7D960093A61B /* MachineDocument.swift in Sources */,
4BCA98C31D065CA20062F44C /* 6522.cpp in Sources */,
4B2A53A11D117D36003C6002 /* CSAtari2600.mm in Sources */,
4B1E857C1D174DEC001EF87D /* 6532.cpp in Sources */,
4B69FB441C4D941400B5F0AA /* TapeUEF.cpp in Sources */,
4BBF99141C8FBA6F0075DAFB /* CRTInputBufferBuilder.cpp in Sources */,
4B2409551C45AB05004DA684 /* Speaker.cpp in Sources */,