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Changed from version to static if for strict/cumulative

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edmccard 2012-03-23 02:22:02 -04:00
parent ea1e8f192e
commit 4b27ddbe75
8 changed files with 73 additions and 50 deletions
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2
src/Makefile
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@ -1,4 +1,4 @@
COMPILE_OPTS = -c -version=CycleAccuracy -op -Jdata -I$(GTKD)/src \
COMPILE_OPTS = -c -op -Jdata -I$(GTKD)/src \
-I$(GTKD)/srcgl -I$(DERELICT)/import
LINK_OPTS = -L-lpthread -L-lGL -L-ldl -L-lX11 \

22
src/d6502/base.d
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@ -22,6 +22,16 @@
module d6502.base;
enum Strict : bool
{
no, yes
}
enum Cumulative : bool
{
no, yes
}
string hexByte(int decByte)
{
int highNybble = (decByte & 0xF0) >> 4;
@ -60,8 +70,12 @@ final class StatusRegister
}
}
class CpuBase
class CpuBase(bool strict, bool cumulative)
{
enum _isCpuBase = true;
static if (strict) enum _isStrict = true;
static if (cumulative) enum _isCumulative = true;
static string AbstractOpcodes()
{
string abstractOpcodes;
@ -127,12 +141,12 @@ class CpuBase
{
string delegate(ushort addr) memoryName;
}
version(CycleAccuracy) void delegate() tick;
version(CumulativeCycles) void delegate(int cycles) ticks;
static if (cumulative) void delegate(int cycles) tick;
else void delegate() tick;
abstract void run(bool continuous);
abstract void stop();
version(CycleAccuracy) abstract bool checkFinalCycle();
static if (!cumulative) abstract bool checkFinalCycle();
abstract void resetLow();
abstract void nmiLow(bool signalLow);
abstract void irqLow(bool signalLow);

10
src/d6502/cmos.d
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@ -25,8 +25,10 @@ module d6502.cmos;
import d6502.base;
import d6502.cpu;
class Cmos : Cpu
class Cmos(bool strict, bool cumulative) : Cpu!(strict, cumulative)
{
enum _isCMOS = true;
this()
{
super();
@ -80,7 +82,7 @@ class Cmos : Cpu
final void addrNone()
{
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
final ubyte testSet(ubyte val)
@ -230,7 +232,7 @@ class Cmos : Cpu
ushort vector = readWordOperand();
peek(programCounter);
programCounter = readWord(vector, cast(ushort)(vector + 1));
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
/* JMP ($$$$,X) */
@ -240,7 +242,7 @@ class Cmos : Cpu
peek(programCounter);
ushort vector = cast(ushort)(baseAddress + xIndex);
programCounter = readWord(vector, cast(ushort)(vector + 1));
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
/* BIT #$$ */

71
src/d6502/cpu.d
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@ -24,7 +24,7 @@ module d6502.cpu;
import d6502.base;
class Cpu : CpuBase
class Cpu(bool strict, bool cumulative) : CpuBase!(strict, cumulative)
{
static string InitOpcodes()
{
@ -50,8 +50,9 @@ class Cpu : CpuBase
void delegate()[256] opcodes;
bool continueExecution;
version(CycleAccuracy) bool finalCycle;
version(CumulativeCycles) int totalCycles;
static if (cumulative) int totalCycles;
else bool finalCycle;
debug(disassemble)
{
@ -61,7 +62,7 @@ class Cpu : CpuBase
final override void run(bool continuous)
{
assert ((memoryRead !is null) && (memoryWrite !is null));
version(CycleAccuracy) assert (tick !is null);
assert (tick !is null);
continueExecution = continuous;
do
@ -70,8 +71,8 @@ class Cpu : CpuBase
opcodePC = programCounter;
opcode = read(programCounter++);
version(CycleAccuracy) finalCycle = false;
version(CumulativeCycles) totalCycles = 0;
static if (cumulative) totalCycles = 0;
else finalCycle = false;
/+ TODO: call sync delegate +/
@ -89,7 +90,7 @@ class Cpu : CpuBase
continueExecution = false;
}
version(CycleAccuracy)
static if (!cumulative)
{
final override bool checkFinalCycle()
{
@ -148,19 +149,19 @@ class Cpu : CpuBase
push(statusByte);
flag.interrupt = true;
programCounter = readWord(vector, cast(ushort)(vector + 1));
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
void doReset()
{
version(CycleAccuracy)
{
tick(); tick();
}
version(CumulativeCycles)
static if (cumulative)
{
totalCycles += 2;
}
else
{
tick(); tick();
}
peek(STACK_BASE + stackPointer);
--stackPointer;
@ -174,56 +175,56 @@ class Cpu : CpuBase
signalActive = testSignals();
programCounter = readWord(RESET_VECTOR, RESET_VECTOR + 1);
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
final ubyte read(ushort addr)
{
version(CycleAccuracy) tick();
version(CumulativeCycles) ++totalCycles;
static if (cumulative) ++totalCycles;
else tick();
return memoryRead(addr);
}
final void write(ushort addr, ubyte val)
{
version(CycleAccuracy) tick();
version(CumulativeCycles) ++totalCycles;
static if (cumulative) ++totalCycles;
else tick();
memoryWrite(addr, val);
}
final void peek(ushort addr)
{
version(CycleAccuracy) tick();
version(CumulativeCycles) ++totalCycles;
version(StrictMemoryAccess) memoryRead(addr);
static if (cumulative) ++totalCycles;
else tick();
static if (strict) memoryRead(addr);
}
final void poke(ushort addr, ubyte val)
{
version(CycleAccuracy) tick();
version(CumulativeCycles) ++totalCycles;
version(StrictMemoryAccess) memoryWrite(addr, val);
static if (cumulative) ++totalCycles;
else tick();
static if (strict) memoryWrite(addr, val);
}
final ubyte readFinal(ushort addr)
{
version(CycleAccuracy)
static if (cumulative) tick(++totalCycles);
else
{
finalCycle = true;
tick();
}
version(CumulativeCycles) ticks(++totalCycles);
return memoryRead(addr);
}
final void writeFinal(ushort addr, ubyte val)
{
version(CycleAccuracy)
static if (cumulative) tick(++totalCycles);
else
{
finalCycle = true;
tick();
}
version(CumulativeCycles) ticks(++totalCycles);
memoryWrite(addr, val);
}
@ -467,7 +468,7 @@ class Cpu : CpuBase
static string SimpleOpcode(string name, string opcode, string action)
{
string code = "peek(programCounter);\n";
version(CumulativeCycles) code ~= "ticks(totalCycles);\n";
static if (cumulative) code ~= "tick(totalCycles);\n";
code ~= (action == "") ? "" : (action ~ ";");
return "override void opcode" ~ opcode ~ "()\n{\n" ~ code ~ "\n}\n";
}
@ -480,7 +481,7 @@ class Cpu : CpuBase
static string RegisterOpcode(string name, string opcode, string action)
{
string code = "peek(programCounter);\n";
version(CumulativeCycles) code ~= "ticks(totalCycles);\n";
static if (cumulative) code ~= "tick(totalCycles);\n";
return "override void opcode" ~ opcode ~ "()\n{\n" ~
code ~ UpdateNZ(action) ~ "}\n";
}
@ -489,7 +490,7 @@ class Cpu : CpuBase
{
string code = "readByteOperand();\n" ~
"if (" ~ action ~ ") addrRelative(cast(byte)operand1);\n";
version(CumulativeCycles) code ~= "ticks(totalCycles);\n";
static if (cumulative) code ~= "tick(totalCycles);\n";
return "override void opcode" ~ opcode ~ "()\n{\n" ~ code ~ "}\n";
}
@ -726,7 +727,7 @@ class Cpu : CpuBase
pushWord(programCounter);
finalAddress |= ((operand2 = read(programCounter)) << 8);
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
programCounter = finalAddress;
}
@ -736,14 +737,14 @@ class Cpu : CpuBase
peek(programCounter);
flag.fromByte(pull());
programCounter = pullWord();
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
/* JMP $$$$ */
final override void opcode4C()
{
programCounter = readWordOperand();
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
/* RTS */
@ -752,7 +753,7 @@ class Cpu : CpuBase
peek(programCounter);
programCounter = pullWord();
peek(programCounter);
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
++programCounter;
}
}

6
src/d6502/nmosbase.d
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@ -24,8 +24,10 @@ module d6502.nmosbase;
import d6502.cpu;
class NmosBase : Cpu
class NmosBase(bool strict, bool cumulative) : Cpu!(strict, cumulative)
{
enum _isNMOS = true;
this()
{
super();
@ -64,6 +66,6 @@ class NmosBase : Cpu
ushort vector = readWordOperand();
programCounter = readWord(vector,
(vector & 0xFF00) | cast(ubyte)(vector + 1));
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
}

4
src/d6502/nmosundoc.d
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@ -25,7 +25,7 @@ module d6502.nmosundoc;
import d6502.base;
import d6502.nmosbase;
class NmosUndoc : NmosBase
class NmosUndoc(bool strict, bool cumulative) : NmosBase!(strict, cumulative)
{
this()
{
@ -36,7 +36,7 @@ class NmosUndoc : NmosBase
final void addrImplied()
{
peek(programCounter);
version(CumulativeCycles) ticks(totalCycles);
static if (cumulative) tick(totalCycles);
}
final void strange(ubyte val)

6
src/system/base.d
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@ -26,6 +26,8 @@ import timer;
import memory;
import d6502.base;
private alias d6502.base.CpuBase!(Strict.no, Cumulative.no) CpuBase;
import ui.sound;
import ui.inputevents;
@ -195,7 +197,7 @@ class II : System
CpuBase newCpu()
{
return new NmosUndoc();
return new NmosUndoc!(Strict.no, Cumulative.no)();
}
IO newIO()
@ -254,7 +256,7 @@ class IIe : System
CpuBase newCpu()
{
// XXX this is enhanced
return new Cmos();
return new Cmos!(Strict.no, Cumulative.no)();
}
IO newIO()

2
src/system/peripheral.d
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@ -25,6 +25,8 @@ module system.peripheral;
import memory;
import d6502.base;
private alias d6502.base.CpuBase!(Strict.no, Cumulative.no) CpuBase;
import peripheral.base;
import peripheral.diskii;
import peripheral.langcard;