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uRegisterForm.pas
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uRegisterForm.pas
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unit uRegisterForm;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, uResourceStrings, uView, uProcessor, Menus,
EnhCtrls, Registry, uMisc;
type
TProgramCounterUpdateRequestEvent = procedure(Address: Word) of object;
TRegisterUpdateRequestEvent = procedure(Index: Byte; Value: Byte) of object;
TFlagUpdateRequestEvent = procedure(Flag: TFlag; Value: Boolean) of object;
TReturnFromHaltRequestEvent = procedure of object;
TRegisterForm = class(TForm, ILanguage, IRadixView, IRegister, IFlags, IProgramCounter, IProcessor, IRegistry)
pRegister: TPanel;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
Label8: TLabel;
pFlags: TPanel;
Label9: TLabel;
cbCarry: TCheckBox;
cbZero: TCheckBox;
cbParity: TCheckBox;
cbSign: TCheckBox;
Label10: TLabel;
PopupMenu: TPopupMenu;
miClose: TMenuItem;
N1: TMenuItem;
miStayOnTop: TMenuItem;
eeRegister0: TEnhancedEdit;
eeRegister1: TEnhancedEdit;
eeRegister2: TEnhancedEdit;
eeRegister3: TEnhancedEdit;
eeRegister4: TEnhancedEdit;
eeRegister5: TEnhancedEdit;
eeRegister6: TEnhancedEdit;
eeRegister7: TEnhancedEdit;
pProgramcounter: TPanel;
Label11: TLabel;
eePC: TEnhancedEdit;
Panel1: TPanel;
cbHalt: TCheckBox;
LblProcessorState: TLabel;
procedure FormCreate(Sender: TObject);
procedure miCloseClick(Sender: TObject);
procedure miStayOnTopClick(Sender: TObject);
procedure RegisterChange(Sender: TObject);
procedure eRegisterKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure cbCarryClick(Sender: TObject);
procedure cbParityClick(Sender: TObject);
procedure cbSignClick(Sender: TObject);
procedure cbZeroClick(Sender: TObject);
procedure eePCClick(Sender: TObject);
procedure eePCKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure cbHaltClick(Sender: TObject);
private
_Block: Boolean;
_BlockHLT: Boolean;
_Radix: TRadix;
_View: TView;
_RegisterUpdateRequest: TRegisterUpdateRequestEvent;
_FlagUpdateRequest: TFlagUpdateRequestEvent;
_ProgramCounterUpdateRequest: TProgramCounterUpdateRequestEvent;
_ReturnFromHaltRequest: TReturnFromHaltRequestEvent;
procedure RefreshObject(Sender: TObject);
procedure Reset(Sender: TObject);
procedure RegisterUpdate(Sender: TObject; Index: Byte; Value: Byte);
procedure RegisterReset(Sender: TObject; Index: Byte);
procedure CarryFlagUpdate(Sender: TObject; Value: Boolean);
procedure SignFlagUpdate(Sender: TObject; Value: Boolean);
procedure ZeroFlagUpdate(Sender: TObject; Value: Boolean);
procedure ParityFlagUpdate(Sender: TObject; Value: Boolean);
procedure PCUpdate(Sender: TObject; Value: Word);
procedure BeforeCycle(Sender: TObject);
procedure AfterCycle(Sender: TObject);
procedure StateChange(Sender: TObject; Halt: Boolean);
procedure LoadData(RegistryList: TRegistryList);
procedure SaveData(RegistryList: TRegistryList);
public
procedure LoadLanguage;
procedure RadixChange(Radix: TRadix; View: TView);
function Show(ATop: Integer): Integer; overload;
property OnRegisterUpdateRequest: TRegisterUpdateRequestEvent read _RegisterUpdateRequest write _RegisterUpdateRequest;
property OnFlagUpdateRequest: TFlagUpdateRequestEvent read _FlagUpdateRequest write _FlagUpdateRequest;
property OnProgramCounterUpdateRequest: TProgramCounterUpdateRequestEvent read _ProgramCounterUpdateRequest write _ProgramCounterUpdateRequest;
property OnReturnFromHaltRequest: TReturnFromHaltRequestEvent read _ReturnFromHaltRequest write _ReturnFromHaltRequest;
end;
var
RegisterForm: TRegisterForm;
implementation
uses uEditForm;
{$R *.dfm}
procedure TRegisterForm.FormCreate(Sender: TObject);
begin
_Block:= false;
_BlockHLT:= false;
_Radix:= rOctal;
_View:= vShort;
AutoSize:= true;
LoadLanguage;
end;
procedure TRegisterForm.miCloseClick(Sender: TObject);
begin
Close;
end;
procedure TRegisterForm.miStayOnTopClick(Sender: TObject);
begin
if miStayOnTop.Checked then
FormStyle:= fsNormal
else
FormStyle:= fsStayOnTop;
miStayOnTop.Checked:= not miStayOnTop.Checked;
end;
procedure TRegisterForm.RegisterChange(Sender: TObject);
var
result: Integer;
C: Boolean;
P: TPoint;
begin
if (Sender is TEnhancedEdit) then begin
P.X:= Mouse.CursorPos.X;
P.Y:= Mouse.CursorPos.Y;
if (_Radix = rDecimalNeg) and ((Sender as TEnhancedEdit).TabOrder in [5, 6]) then begin
EditForm.Value:= RadixToWord((Sender as TEnhancedEdit).Text,rDecimal,vLong,C);
result:= EditForm.ShowModal(rDecimal,vLong,8,P);
end else begin
EditForm.Value:= RadixToWord((Sender as TEnhancedEdit).Text,_Radix,vLong,C);
result:= EditForm.ShowModal(_Radix,vLong,8,P);
end;
if (result = mrOk) and Assigned(OnRegisterUpdateRequest) then
OnRegisterUpdateRequest((Sender as TEnhancedEdit).TabOrder,EditForm.Value);
end;
end;
procedure TRegisterForm.eRegisterKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_RETURN then
RegisterChange(Sender);
end;
procedure TRegisterForm.cbCarryClick(Sender: TObject);
begin
_Block:= true;
if Assigned(OnFlagUpdateRequest) then
OnFlagUpdateRequest(fCarry,cbCarry.Checked);
_Block:= false;
end;
procedure TRegisterForm.cbParityClick(Sender: TObject);
begin
_Block:= true;
if Assigned(OnFlagUpdateRequest) then
OnFlagUpdateRequest(fParity,cbParity.Checked);
_Block:= false;
end;
procedure TRegisterForm.cbSignClick(Sender: TObject);
begin
_Block:= true;
if Assigned(OnFlagUpdateRequest) then
OnFlagUpdateRequest(fSign,cbSign.Checked);
_Block:= false;
end;
procedure TRegisterForm.cbZeroClick(Sender: TObject);
begin
_Block:= true;
if Assigned(OnFlagUpdateRequest) then
OnFlagUpdateRequest(fZero,cbZero.Checked);
_Block:= false;
end;
procedure TRegisterForm.eePCClick(Sender: TObject);
var
C: Boolean;
P: TPoint;
begin
if (Sender is TEnhancedEdit) then
begin
P.X:= Mouse.CursorPos.X;
P.Y:= Mouse.CursorPos.Y;
if _Radix = rDecimalNeg then begin
EditForm.Value:= RadixToWord((Sender as TEnhancedEdit).Text,rDecimal,_View,C);
if (EditForm.ShowModal(rDecimal,_View,14,P) = mrOk) and Assigned(OnProgramCounterUpdateRequest) then
OnProgramCounterUpdateRequest(EditForm.Value);
end else begin
EditForm.Value:= RadixToWord((Sender as TEnhancedEdit).Text,_Radix,_View,C);
if (EditForm.ShowModal(_Radix,_View,14,P) = mrOk) and Assigned(OnProgramCounterUpdateRequest) then
OnProgramCounterUpdateRequest(EditForm.Value);
end;
end;
end;
procedure TRegisterForm.eePCKeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_RETURN then
eePCClick(Sender);
end;
procedure TRegisterForm.cbHaltClick(Sender: TObject);
begin
if not _BlockHLT and Assigned(OnReturnFromHaltRequest) then
OnReturnFromHaltRequest;
end;
procedure TRegisterForm.RefreshObject(Sender: TObject);
var
i: Byte;
begin
if Sender is Ti8008Register then
begin
for i:= 0 to (Sender as Ti8008Register).Count-1 do begin
if (i in [5, 6]) and (_Radix = rDecimalNeg) then
(FindComponent('eeRegister'+IntToStr(i)) as TEnhancedEdit).Text:= WordToRadix(
(Sender as Ti8008Register).Value[i],
rDecimal,
vLong,
8)
else (FindComponent('eeRegister'+IntToStr(i)) as TEnhancedEdit).Text:= WordToRadix(
(Sender as Ti8008Register).Value[i],
_Radix,
vLong,
8);
end;
end
else
if (Sender is Ti8008Flags) and not _Block then
begin
cbCarry.Checked:= (Sender as Ti8008Flags).Carry;
cbSign.Checked:= (Sender as Ti8008Flags).Sign;
cbZero.Checked:= (Sender as Ti8008Flags).Zero;
cbParity.Checked:= (Sender as Ti8008Flags).Parity;
end
else
if Sender is Ti8008Stack then begin
if _Radix = rDecimalNeg then eePC.Text:= WordToRadix((Sender as Ti8008Stack).ProgramCounter,rDecimal,_View,14)
else eePC.Text:= WordToRadix((Sender as Ti8008Stack).ProgramCounter,_Radix,_View,14);
end;
end;
procedure TRegisterForm.Reset(Sender: TObject);
var
i: Byte;
Edit: TEnhancedEdit;
begin
if Sender is Ti8008Register then
begin
for i:= 0 to (Sender as Ti8008Register).Count-1 do begin
Edit:= FindComponent('eeRegister'+IntToStr(i)) as TEnhancedEdit;
if (i in [5, 6]) and (_Radix = rDecimalNeg) then Edit.Text:= WordToRadix((Sender as Ti8008Register).Value[i],rDecimal,vLong,8)
else Edit.Text:= WordToRadix((Sender as Ti8008Register).Value[i], _Radix,vLong,8);
Edit.Font.Color:= clWindowText;
end;
end
else
if (Sender is Ti8008Flags) and not _Block then
begin
cbCarry.Checked:= (Sender as Ti8008Flags).Carry;
cbCarry.Font.Color:= clWindowText;
cbSign.Checked:= (Sender as Ti8008Flags).Sign;
cbSign.Font.Color:= clWindowText;
cbZero.Checked:= (Sender as Ti8008Flags).Zero;
cbZero.Font.Color:= clWindowText;
cbParity.Checked:= (Sender as Ti8008Flags).Parity;
cbParity.Font.Color:= clWindowText;
end;
end;
procedure TRegisterForm.RegisterUpdate(Sender: TObject; Index: Byte; Value: Byte);
var
Edit: TEnhancedEdit;
Text: String;
begin
Edit:= FindComponent('eeRegister'+IntToStr(Index)) as TEnhancedEdit;
if (_Radix = rDecimalNeg) and (Index in [5, 6]) then Text:= WordToRadix(Value,rDecimal,vLong,8)
else Text:= WordToRadix(Value,_Radix,vLong,8);
if Text <> Edit.Text then Edit.Font.Color:= clRed;
Edit.Text:= Text;
end;
procedure TRegisterForm.RegisterReset(Sender: TObject; Index: Byte);
var
Edit: TEnhancedEdit;
begin
if (Sender is Ti8008Register) and (Index in [0..7]) then begin
Edit:= FindComponent('eeRegister'+IntToStr(Index)) as TEnhancedEdit;
if Assigned(Edit) then begin
if (Index in [5, 6]) and (_Radix = rDecimalNeg) then Edit.Text:= WordToRadix((Sender as Ti8008Register).Value[Index],rDecimal,vLong,8)
else WordToRadix((Sender as Ti8008Register).Value[Index],_Radix,vLong,8);
Edit.Font.Color:= clWindowText;
end;
end;
end;
procedure TRegisterForm.CarryFlagUpdate(Sender: TObject; Value: Boolean);
begin
if not _Block then begin
if cbCarry.Checked <> Value then cbCarry.Font.Color:= clRed;
cbCarry.Checked:= Value;
end
end;
procedure TRegisterForm.SignFlagUpdate(Sender: TObject; Value: Boolean);
begin
if not _Block then begin
if cbSign.Checked <> Value then cbSign.Font.Color:= clRed;
cbSign.Checked:= Value;
end;
end;
procedure TRegisterForm.ZeroFlagUpdate(Sender: TObject; Value: Boolean);
begin
if not _Block then begin
if cbZero.Checked <> Value then cbZero.Font.Color:= clRed;
cbZero.Checked:= Value;
end;
end;
procedure TRegisterForm.ParityFlagUpdate(Sender: TObject; Value: Boolean);
begin
if not _Block then begin
if cbParity.Checked <> Value then cbParity.Font.Color:= clRed;
cbParity.Checked:= Value;
end
end;
procedure TRegisterForm.PCUpdate(Sender: TObject; Value: Word);
begin
if Sender is Ti8008Stack then begin
if _Radix = rDecimalNeg then eePC.Text:= WordToRadix((Sender as Ti8008Stack).ProgramCounter,rDecimal,_View,14)
else eePC.Text:= WordToRadix((Sender as Ti8008Stack).ProgramCounter,_Radix,_View,14);
end;
end;
procedure TRegisterForm.BeforeCycle(Sender: TObject);
begin
eeRegister0.Font.Color:= clWindowText;
eeRegister1.Font.Color:= clWindowText;
eeRegister2.Font.Color:= clWindowText;
eeRegister3.Font.Color:= clWindowText;
eeRegister4.Font.Color:= clWindowText;
eeRegister5.Font.Color:= clWindowText;
eeRegister6.Font.Color:= clWindowText;
eeRegister7.Font.Color:= clWindowText;
cbCarry.Font.Color:= clWindowText;
cbParity.Font.Color:= clWindowText;
cbSign.Font.Color:= clWindowText;
cbZero.Font.Color:= clWindowText;
end;
procedure TRegisterForm.AfterCycle(Sender: TObject);
begin
end;
procedure TRegisterForm.StateChange(Sender: TObject; Halt: Boolean);
begin
_BlockHLT:= true;
cbHalt.Checked:= Halt;
_BlockHLT:= false;
if Halt then
cbHalt.Font.Color:= clRed
else
cbHalt.Font.Color:= clWindowText;
cbHalt.Enabled:= Halt and Assigned(OnReturnFromHaltRequest);
end;
procedure TRegisterForm.LoadData(RegistryList: TRegistryList);
begin
if RegistryList.Registry.OpenKey(APPLICATION_MAIN_KEY,false) then
RegistryList.LoadFormSettings(Self,false);
end;
procedure TRegisterForm.SaveData(RegistryList: TRegistryList);
begin
if RegistryList.Registry.OpenKey(APPLICATION_MAIN_KEY,true) then
RegistryList.SaveFormSettings(Self,false);
end;
procedure TRegisterForm.LoadLanguage;
begin
miClose.Caption:= getString(rsClose);
miStayOnTop.Caption:= getString(rsStayOnTop);
LblProcessorState.Caption:= getString(rsProcessorState);
end;
procedure TRegisterForm.RadixChange(Radix: TRadix; View: TView);
begin
_Radix:= Radix;
_View:= View;
end;
function TRegisterForm.Show(ATop: Integer): Integer;
begin
Top:= ATop;
Left:= Screen.Width-Width;
Show;
result:= Width;
end;
end.