Class Renderer

constructor

• new Renderer(document: Document, window: Window & typeof globalThis): Renderer

  Constructs an instance with the given HTML document associated.

  Parameters

  • document: Document

    A reference to an HTML document.
  • window: Window & typeof globalThis

    A reference to the browser "window".

  Returns Renderer

Static ReadonlyHIGH_ADDRESS_PHYSICAL_MEMORY_DEC

Static ReadonlyNUMBER_BITS_PAGE_FRAME_ADDRESS

autoScrollForPageTableEnabled

autoScrollForPhysicalRAMEnabled

autoScrollForVirtualRAMEnabled

dataRepresentationEAX

dataRepresentationEBX

dataRepresentationECX

dataRepresentationEIP

dataRepresentationEIR

dataRepresentationESP

dataRepresentationGPTP

dataRepresentationITP

dataRepresentationNPTP

dataRepresentationPTP

dataRepresentationVMPTR

programLoaded

createPageTableEntryElement

• createPageTableEntryElement(
      pageNumberDecString: string,
      presentFlag: boolean,
      writableFlag: boolean,
      executableFlag: boolean,
      accessableOnlyInKernelModeFlag: boolean,
      pinnedFlag: boolean,
      changedFlag: boolean,
      pageFrameNumberDecString: string,
  ): HTMLElement

  This method creates a GUI element, which represents an entry of the Page Table.

  Parameters

  • pageNumberDecString: string

    The virtual page address, which is often refered to as the pages number.
  • presentFlag: boolean

    This flag indicates whether the page is currently mounted to a page frame.
  • writableFlag: boolean

    This flag indicates whether the page is writable or read-only.
  • executableFlag: boolean

    This flag indicates whether the page is executable or not.
  • accessableOnlyInKernelModeFlag: boolean

    This flag indicates whether the page can only be accessed in kernel mode.
  • pinnedFlag: boolean

    This flag indicates whether the page is protected against attempts to write it to a background memory.
  • changedFlag: boolean

    This flag indicates whether the page was changed since it was mounted to a page frame.
  • pageFrameNumberDecString: string

    The physical page frame address, which is often refered to as the page frames number.

  Returns HTMLElement

  An GUI element representing a single Page Table entry.

createPageTableView

• createPageTableView(
      firstPageNumberToReadDec?: number,
      lastPageNumberToReadDec?: number,
  ): Promise<void>

  This method initializes the view of the Page Table reading the first thirty entries of the Page Table and creats GUI elements, which represents the individual entries.

  Parameters

  • OptionalfirstPageNumberToReadDec: number = 0

    The first page number to read from Page Table.
  • OptionallastPageNumberToReadDec: number = 30

    The last page number to read from Page Table.

  Returns Promise<void>

createPhysicalRAMGuiElement

• createPhysicalRAMGuiElement(
      physicalAddressHexString: string,
      binaryStringContent: string,
  ): HTMLElement

  This method creates an HTMLElement representing a physical RAM cell. This element consist out of a label with the pyhsical memory address and the binary content of the main memory at this address.

  Parameters

  • physicalAddressHexString: string

    The physical memory address of the RAM cell.
  • binaryStringContent: string

    The binary content of this RAM cell.

  Returns HTMLElement

  A HTMLElement representing a RAM cell.

createPhysicalRAMView

• createPhysicalRAMView(
      firstPhysicalAddressToReadHex?: string,
      lastPhysicalAddressToReadHex?: string,
  ): Promise<void>

  This method initializes the view of the physical RAM by reading the first twenty entries of the main memory and creating HTMLElements, which represents the individual RAM cells.

  Parameters

  • OptionalfirstPhysicalAddressToReadHex: string = "0x0"

    The first physical memory address to read from main memory in hexadecimal representation.
  • OptionallastPhysicalAddressToReadHex: string = "0x1e"

    The last physical memory address to read from main memory in hexadecimal representation.

  Returns Promise<void>

createVirtualRAMGuiElement

• createVirtualRAMGuiElement(
      virtualAddressHexString: string,
      binaryStringContent: string,
  ): HTMLElement

  This method creates an HTMLElement representing a virtual RAM cell. This element consist out of a label with the pyhsical memory address and the binary content of the main memory at this address.

  Parameters

  • virtualAddressHexString: string

    The virtual memory address of the RAM cell.
  • binaryStringContent: string

    The binary content of this RAM cell.

  Returns HTMLElement

  A HTMLElement representing a RAM cell.

createVirtualRAMView

• createVirtualRAMView(
      firstVirtualAddressToReadHex?: string,
      lastVirtualAddressToReadHex?: string,
  ): Promise<void>

  This method initializes the view of the virtual RAM by reading the first twenty entries of the main memory and creating HTMLElements, which represents the individual RAM cells.

  Parameters

  • OptionalfirstVirtualAddressToReadHex: string = "0x0"

    The first virtual memory address to read from main memory in hexadecimal representation.
  • OptionallastVirtualAddressToReadHex: string = "0x1e"

    The last virtual memory address to read from main memory in hexadecimal representation.

  Returns Promise<void>

cycle

• cycle(): Promise<void>

  Performs the next CPU cycle (fetch, decode, execute).

  Returns Promise<void>

readEAX

• readEAX(radix: NumberSystem): Promise<void>

  This method reads the content of the EAX register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readEBX

• readEBX(radix: NumberSystem): Promise<void>

  This method reads the content of the EBX register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readECX

• readECX(radix: NumberSystem): Promise<void>

  This method reads the content of the ECX register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readEFLAGS

• readEFLAGS(): Promise<void>

  This method reads the content of the EFLAGS register.

  Returns Promise<void>

readEIP

• readEIP(radix: NumberSystem): Promise<void>

  This method reads the content of the EIP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readEIR

• readEIR(asInstruction?: boolean): Promise<void>

  This method reads the content of the EIR register.

  Parameters

  • asInstruction: boolean = false

    Indicates, wethert to display the instruction in its textual representation or not.

  Returns Promise<void>

readESP

• readESP(radix: NumberSystem): Promise<void>

  This method reads the content of the ESP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readGPTP

• readGPTP(radix: NumberSystem): Promise<void>

  This method reads the content of the GPTP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readITP

• readITP(radix: NumberSystem): Promise<void>

  This method reads the content of the ITP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readNPTP

• readNPTP(radix: NumberSystem): Promise<void>

  This method reads the content of the NPTP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readPTP

• readPTP(radix: NumberSystem): Promise<void>

  This method reads the content of the PTP register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

readVMPTR

• readVMPTR(radix: NumberSystem): Promise<void>

  This method reads the content of the VMPTR register.

  Parameters

  • radix: NumberSystem

  Returns Promise<void>

registerChangeListener

• registerChangeListener(): void

  This method registers the change listeners for all elements inside the GUI elements, which represent registers during start of the simulator.

  Returns void

  reloadPageTableView

  • reloadPageTableView(): Promise<void>

    This method reloads the view of the Page Table depending on the visible Page Table entries.

    Returns Promise<void>

  reloadPhysicalRAMView

  • reloadPhysicalRAMView(): Promise<void>

    This function reloads the RAM view, by taking the visible elements into account. This is done in order to avoid weird jumps in the widget, representing the physical main memory.

    Returns Promise<void>

  reloadVirtualRAMView

  • reloadVirtualRAMView(): Promise<void>

    This function reloads the RAM view, by taking the visible elements into account. This is done in order to avoid weird jumps in the widget, representing the virtual main memory.

    Returns Promise<void>

  Settings

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• Inherited
• External
• Alpha
• Beta