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Merge pull request #231 from TomHarte/NeaterTemplates

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Tidies the 6502 template and folder hierarchy.
This commit is contained in:
Thomas Harte 2017-08-31 22:17:08 -04:00 committed by GitHub
commit 2c99a2d6ec
5 changed files with 835 additions and 763 deletions
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44
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
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@ -15,9 +15,6 @@
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@ -83,12 +80,15 @@
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@ -485,10 +485,6 @@
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@ -610,6 +606,10 @@
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4B77069B1EC904570053B588 /* Z80.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Z80.cpp; path = Z80/Z80.cpp; sourceTree = "<group>"; };
@ -1125,10 +1125,9 @@
4B1414561B58879D00E04248 /* 6502 */ = {
isa = PBXGroup;
children = (
4B1414571B58879D00E04248 /* 6502.cpp */,
4B1414581B58879D00E04248 /* 6502.hpp */,
4B1414591B58879D00E04248 /* 6502AllRAM.cpp */,
4B14145A1B58879D00E04248 /* 6502AllRAM.hpp */,
4B6A4C8E1F58F09E00E3F787 /* 6502.hpp */,
4B6A4C901F58F09E00E3F787 /* AllRAM */,
4B6A4C931F58F09E00E3F787 /* Implementation */,
);
path = 6502;
sourceTree = "<group>";
@ -1506,6 +1505,23 @@
path = Formats;
sourceTree = "<group>";
};
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4B6A4C911F58F09E00E3F787 /* 6502AllRAM.cpp */,
4B6A4C921F58F09E00E3F787 /* 6502AllRAM.hpp */,
);
path = AllRAM;
sourceTree = "<group>";
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children = (
4B6A4C951F58F09E00E3F787 /* 6502Base.cpp */,
);
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isa = PBXGroup;
children = (
@ -2797,6 +2813,7 @@
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4B2A53A21D117D36003C6002 /* CSElectron.mm in Sources */,
4B8FE2201DA19D7C0090D3CE /* Atari2600OptionsPanel.swift in Sources */,
@ -2817,7 +2834,6 @@
4BC3B7521CD1956900F86E85 /* OutputShader.cpp in Sources */,
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4B5FADC01DE3BF2B00AEC565 /* Microdisc.cpp in Sources */,
@ -2838,13 +2854,13 @@
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4B7BC7F51F58F27800D1B1B4 /* 6502AllRAM.cpp in Sources */,
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4BFCA1241ECBDCB400AC40C1 /* AllRAMProcessor.cpp in Sources */,
4B50730A1DDFCFDF00C48FBD /* ArrayBuilderTests.mm in Sources */,

1485
Processors/6502/6502.hpp
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File diff suppressed because it is too large Load Diff

0
Processors/6502/6502AllRAM.cpp → Processors/6502/AllRAM/6502AllRAM.cpp
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4
Processors/6502/6502AllRAM.hpp → Processors/6502/AllRAM/6502AllRAM.hpp
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@ -9,8 +9,8 @@
#ifndef MOS6502AllRAM_cpp
#define MOS6502AllRAM_cpp
#include "6502.hpp"
#include "../AllRAMProcessor.hpp"
#include "../6502.hpp"
#include "../../AllRAMProcessor.hpp"
namespace CPU {
namespace MOS6502 {

65
Processors/6502/6502.cpp → Processors/6502/Implementation/6502Base.cpp
View File

@ -1,12 +1,14 @@
//
// 6502.cpp
// CLK
// 6502Base.cpp
// Clock Signal
//
// Created by Thomas Harte on 09/07/2015.
// Copyright © 2015 Thomas Harte. All rights reserved.
// Created by Thomas Harte on 31/08/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#include "6502.hpp"
#include "../6502.hpp"
using namespace CPU::MOS6502;
const uint8_t CPU::MOS6502::JamOpcode = 0xf2;
@ -67,7 +69,7 @@ const uint8_t CPU::MOS6502::JamOpcode = 0xf2;
#define JAM {CycleFetchOperand, CycleScheduleJam}
const CPU::MOS6502::ProcessorBase::MicroOp CPU::MOS6502::ProcessorBase::operations[256][10] = {
const ProcessorBase::MicroOp ProcessorBase::operations[256][10] = {
/* 0x00 BRK */ Program(CycleIncPCPushPCH, CyclePushPCL, OperationBRKPickVector, OperationSetOperandFromFlagsWithBRKSet, CyclePushOperand, OperationSetI, CycleReadVectorLow, CycleReadVectorHigh),
/* 0x01 ORA x, ind */ IndexedIndirectRead(OperationORA),
/* 0x02 JAM */ JAM, /* 0x03 ASO x, ind */ IndexedIndirectReadModifyWrite(OperationASO),
@ -243,3 +245,54 @@ const CPU::MOS6502::ProcessorBase::MicroOp CPU::MOS6502::ProcessorBase::operatio
#undef IndirectIndexedReadModify
#undef Immediate
#undef Implied
uint16_t ProcessorBase::get_value_of_register(Register r) {
switch (r) {
case Register::ProgramCounter: return pc_.full;
case Register::LastOperationAddress: return last_operation_pc_.full;
case Register::StackPointer: return s_;
case Register::Flags: return get_flags();
case Register::A: return a_;
case Register::X: return x_;
case Register::Y: return y_;
case Register::S: return s_;
default: return 0;
}
}
void ProcessorBase::set_value_of_register(Register r, uint16_t value) {
switch (r) {
case Register::ProgramCounter: pc_.full = value; break;
case Register::StackPointer: s_ = (uint8_t)value; break;
case Register::Flags: set_flags((uint8_t)value); break;
case Register::A: a_ = (uint8_t)value; break;
case Register::X: x_ = (uint8_t)value; break;
case Register::Y: y_ = (uint8_t)value; break;
case Register::S: s_ = (uint8_t)value; break;
default: break;
}
}
bool ProcessorBase::is_jammed() {
return is_jammed_;
}
ProcessorBase::ProcessorBase() :
is_jammed_(false),
ready_line_is_enabled_(false),
ready_is_active_(false),
inverse_interrupt_flag_(0),
irq_request_history_(0),
s_(0),
next_bus_operation_(BusOperation::None),
interrupt_requests_(InterruptRequestFlags::PowerOn),
irq_line_(0),
nmi_line_is_enabled_(false),
set_overflow_line_is_enabled_(false),
scheduled_program_counter_(nullptr) {
// only the interrupt flag is defined upon reset but get_flags isn't going to
// mask the other flags so we need to do that, at least
carry_flag_ &= Flag::Carry;
decimal_flag_ &= Flag::Decimal;
overflow_flag_ &= Flag::Overflow;
}