internal static Cpu.Status FREE(Script vm)
{
var srx = new SRX(vm, is_jump: false);
int address = vm.cpu.registers[srx.dst];
return(Heap.Free(vm, address));
}
internal static Cpu.Status HALT(Script vm)
{
var srx = new SRX(vm, is_jump: false);
int status_code = vm.cpu.registers[srx.dst];
vm.Halt(status_code);
return(Cpu.Status.OK);
}
internal static Cpu.Status NEGF(Script vm)
{
var srx = new SRX(vm, is_jump: false);
float f0 = Float32.FromInt(vm.cpu.registers[srx.dst]);
vm.cpu.registers[srx.dst] = Float32.ToInt(-f0);
return(Cpu.Status.OK);
}
internal static Cpu.Status NEG(Script vm)
{
var srx = new SRX(vm, is_jump: false);
int dst = vm.cpu.registers[srx.dst];
vm.cpu.registers[srx.dst] = -dst;
return(Cpu.Status.OK);
}
internal static Cpu.Status ALLOC(Script vm)
{
var srx = new SRX(vm, is_jump: false);
int size = vm.cpu.registers[srx.dst];
int address = Heap.Alloc(vm, size);
vm.cpu.registers[Registers.EAX] = address;
return(Cpu.Status.OK);
}
internal static Cpu.Status CVTFW(Script vm)
{
var srx = new SRX(vm, is_jump: false);
float value = Float32.FromInt(vm.cpu.registers[srx.dst]);
// Floor float value to convert to int
vm.cpu.registers[srx.dst] = (int)value;
return(Cpu.Status.OK);
}
internal static Cpu.Status CVTWF(Script vm)
{
var srx = new SRX(vm, is_jump: false);
// Convert word to floating point
float value = (float)vm.cpu.registers[srx.dst];
// Store floating point representation in int value
vm.cpu.registers[srx.dst] = Float32.ToInt(value);
return(Cpu.Status.OK);
}
internal static Cpu.Status PUSH(Script vm)
{
var srx = new SRX(vm, is_jump: false);
vm.cpu.registers[Registers.ESP] -= 1;
int stack_ptr = vm.cpu.registers[Registers.ESP];
int word = vm.cpu.registers[srx.dst];
vm.WriteWord(word, stack_ptr);
return(Cpu.Status.OK);
}
private void VisualizeEnerdyButton_Click(object sender, RoutedEventArgs e)
{
SetUpSRXPropertirs();
SRX = new SRX(random, SRXProperties, currentScope, false);
var scopes = SRX.VisualizeEnergy();
energyScope = scopes[0];
currentScope = scopes[1];
previousScope = currentScope;
EnergyImage.Source = Converters.BitmapToImageSource(energyScope.StructureBitmap);
StructureImage.Source = Converters.BitmapToImageSource(currentScope.StructureBitmap);
EnableXRStart();
}
private void StartSRXButton_Click(object sender, RoutedEventArgs e)
{
MCSelected = false;
SRXSelected = true;
DisableCA();
DisableMC();
SetUpSRXPropertirs();
this.SRX = new SRX(random, SRXProperties, currentScope, true);
previousScope = currentScope;
currentScope.IsFull = false;
dispatcherTimer.Start();
}
internal static Cpu.Status POP(Script vm)
{
var srx = new SRX(vm, is_jump: false);
int stack_ptr = vm.cpu.registers[Registers.ESP];
if (stack_ptr > Script.MAX_MEMORY)
{
return(Cpu.Status.STACK_UNDERFLOW);
}
int word = vm.ReadWord(stack_ptr);
vm.cpu.registers[Registers.ESP] += 1;
vm.cpu.registers[srx.dst] = word;
return(Cpu.Status.OK);
}
internal static Cpu.Status RET(Script vm)
{
var srx = new SRX(vm, is_jump: true);
int address = vm.cpu.registers[srx.dst];
if (address == -1)
{
// Returning to -1 address means the procedure
// was called from native code, so we pause
// then VM so that native code execution may continue.
vm.cpu.status = Cpu.Status.OK;
vm.cpu.eip += SRX.SIZE;
vm.Halt(1);
return(Cpu.Status.OK);
}
vm.cpu.eip = address; // Jump to address
return(Cpu.Status.OK);
}
