All Superinterfaces:

IClear, IOperation

All Known Implementing Classes:

A_Register, A_Register
```
public interface IA_Register
extends IClear, IOperation
```
Interface for FX-602P and FX-603P alpha register

Since:

1.0

Version:

1.0

Author:

Martin Krischik «krischik@users.sourceforge.net»

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`IA_Register.Mode_Type`	Register mode Mode_Normal normal numeric entry mode Mode_Fraction fraction entry mode Mode_Exponent exponent entry mode Mode_Begin_Alpha begins alpha mode Keyboard_Alpha alpha entry mode

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`Add_Negative()`	toggle plus / minus for either mantissa or exponent.
`void`	`Add_Numeric(short Digit)`	Add a numeric value - this is a non scrolling operation.
`void`	`Clear_Display_Value(int From, int To)`	Clear content of Register
`void`	`Clear_Print_Value()`	Clear content of Register
`void`	`Create_Print_Value()`	Create the optional print value which can be up to 40 characters.
`int`	`Display_Count()`	Count the amount of characters inserted to the display.
`void`	`Display_Count(int Char_Count)`	Count the amount of characters inserted to the display.
`void`	`Display_Message(short @NotNull [] Text)`	Display an informative message until next key is pressed.
`short @NotNull []`	`Filename_Value()`	Get value of the register for use with as filename.
`int`	`Insert(short @NotNull [] Text)`	Insert content of an String.
`void`	`Insert_X()`	Insert content of L0 aka X register into the string.
`void`	`Limit_Alpha(int Num_Char)`	Limit Alpha text to Start_Char
`@NotNull IA_Register.Mode_Type`	`Mode()`	Get alpha register entry mode
`void`	`Mode(@NotNull IA_Register.Mode_Type Mode)`	Set alpha register entry mode
`Number`	`Numeric_Value()`	Get value of the register for use with as BCD.
`short[]`	`Print_Value()`	Get value of the register for use with printer or tape interface.
`void`	`Print_Value(short @NotNull [] Value, int Size)`	Set value of the register for use with printer or tape interface.
`int`	`Printer_Count()`	Count the amount of characters inserted to the printer.
`void`	`Printer_Count(int Char_Count)`	Count the amount of characters inserted to the printer.
`void`	`Start_Alpha()`	Start a new alpha run.
`void`	`Start_Decimal_Fraction()`	start to enter the part behind the fraction mark point
`void`	`Start_Exponent()`	Start to enter the exponent.
`short[]`	`Value()`	Get value of the register for use with display.
`void`	`Value(short @NotNull [] Value)`	Value of the register.

Methods inherited from interface net.sourceforge.uiq3.calculator.IClear
Clear

Methods inherited from interface net.sourceforge.uiq3.calculator.IOperation
Execute

- Method Detail
  - Add_Negative
```
void Add_Negative()
```
    toggle plus / minus for either mantissa or exponent.
  - Add_Numeric
```
void Add_Numeric(short Digit)
          throws Error
```
    Add a numeric value - this is a non scrolling operation.
    
    Parameters:
    
    Digit - the digit to add
    
    Throws:
    
    Error - something went wrong
  - Clear_Display_Value
```
void Clear_Display_Value(int From,
                         int To)
```
    Clear content of Register
    
    Parameters:
    
    From - First character to clean
    
    To - Last character to clean
  - Clear_Print_Value
```
void Clear_Print_Value()
```
    Clear content of Register
    
    See Also:
    
    IClear.Clear(boolean)
  - Create_Print_Value
```
void Create_Print_Value()
```
    Create the optional print value which can be up to 40 characters.
  - Display_Count
```
int Display_Count()
```
    Count the amount of characters inserted to the display.
    
    Returns:
    
    amount of characters in display
  - Display_Count
```
void Display_Count(int Char_Count)
```
    Count the amount of characters inserted to the display.
    
    Parameters:
    
    Char_Count - amount of characters
  - Display_Message
```
void Display_Message(short @NotNull [] Text)
```
    Display an informative message until next key is pressed.
    
    Parameters:
    
    Text - Test to be displayed
  - Filename_Value
```
short @NotNull [] Filename_Value()
```
    Get value of the register for use with as filename.
    
    Returns:
    
    current value
  - Insert
```
int Insert(short @NotNull [] Text)
    throws Error
```
    Insert content of an String.
    
    Parameters:
    
    Text - Text to insert without leading spaces and exponent
    
    Returns:
    
    Characters inserted
    
    Throws:
    
    Error
  - Insert_X
```
void Insert_X()
       throws Error
```
    Insert content of L0 aka X register into the string.
    
    Throws:
    
    Error
  - Limit_Alpha
```
void Limit_Alpha(int Num_Char)
```
    Limit Alpha text to Start_Char
    
    Parameters:
    
    Num_Char - max char allowed
  - Mode
```
@NotNull
@NotNull IA_Register.Mode_Type Mode()
```
    Get alpha register entry mode
    
    Returns:
    
    Mode_Normal
    
    normal numeric entry mode
    
    Mode_Fraction
    
    fraction entry mode
    
    Mode_Exponent
    
    exponent entry mode
    
    Mode_Begin_Alpha
    
    begins alpha mode
    
    Keyboard_Alpha
    
    alpha entry mode
  - Mode
```
void Mode(@NotNull
          @NotNull IA_Register.Mode_Type Mode)
```
    Set alpha register entry mode
    
    Parameters:
    
    Mode -
    
    Mode_Normal
    
    normal numeric entry mode
    
    Mode_Fraction
    
    fraction entry mode
    
    Mode_Exponent
    
    exponent entry mode
    
    Mode_Begin_Alpha
    
    begins alpha mode
    
    Keyboard_Alpha
    
    alpha entry mode
  - Numeric_Value
```
@NotNull
Number Numeric_Value()
              throws Error
```
    Get value of the register for use with as BCD.
    
    Returns:
    
    current value
    
    Throws:
    
    Error
  - Print_Value
```
short[] Print_Value()
```
    Get value of the register for use with printer or tape interface.
    
    Returns:
    
    current value
  - Print_Value
```
void Print_Value(short @NotNull [] Value,
                 int Size)
```
    Set value of the register for use with printer or tape interface. Also contains a backup of the alpha string for the append function
    
    Parameters:
    
    Value - Value
    
    Size - Characters used
  - Printer_Count
```
void Printer_Count(int Char_Count)
```
    Count the amount of characters inserted to the printer.
    
    Parameters:
    
    Char_Count - amount of characters to print
  - Printer_Count
```
int Printer_Count()
```
    Count the amount of characters inserted to the printer.
    
    Returns:
    
    amount of characters in print
  - Start_Alpha
```
void Start_Alpha()
```
    Start a new alpha run. This flag is needed for proper handling of the ; (append) token.
  - Start_Decimal_Fraction
```
void Start_Decimal_Fraction()
```
    start to enter the part behind the fraction mark point
  - Start_Exponent
```
void Start_Exponent()
```
    Start to enter the exponent.
  - Value
```
short[] Value()
```
    Get value of the register for use with display.
    
    Returns:
    
    current value
  - Value
```
void Value(short @NotNull [] Value)
```
    Value of the register.
    
    Parameters:
    
    Value - new value

Interface IA_Register

Nested Class Summary

Method Summary

Methods inherited from interface net.sourceforge.uiq3.calculator.IClear

Methods inherited from interface net.sourceforge.uiq3.calculator.IOperation

Method Detail

Add_Negative

Add_Numeric

Clear_Display_Value

Clear_Print_Value

Create_Print_Value

Display_Count

Display_Count

Display_Message

Filename_Value

Insert

Insert_X

Limit_Alpha

Mode

Mode

Numeric_Value

Print_Value

Print_Value

Printer_Count

Printer_Count

Start_Alpha

Start_Decimal_Fraction

Start_Exponent

Value

Value