Disable Alt+Enter

[Reborn]

A Script for disabling Alt+Enter with RPGXP Version 1.02a:

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# Disable Alt+Enter

# Autor Reborn

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module Disable 

  PAGE_READWRITE = 0x04 

  MoveMemory = Win32API.new('Kernel32.dll', 'RtlMoveMemory', 'ppl', 'v') 

  VirtualProtect = Win32API.new('Kernel32.dll', 'VirtualProtect', 'pllp', 'l') 

  def self.AltEnter(disable=true) 

    if (disable) 

      patchAltEnter() 

    else 

      unpatchAltEnter() 

    end 

  end 

  def self.F1(disable=true) 

    if (disable) 

      patchF1() 

    else 

      unpatchF1() 

    end 

  end 

  def self.patchAltEnter() 

    # 1 retn and 4 NOPs 

    charArr = [0xC3, 0x90, 0x90, 0x90, 0x90].pack('C5') 

    # address before full screen call 

    address = 0x1008C975 

    oldProtection = "xxxx" 

    VirtualProtect.call(address, 1024, PAGE_READWRITE, oldProtection) 

    # place a retn-command before full screen call 

    MoveMemory.call(address, charArr, 5) 

    VirtualProtect.call(address, 1024, 64, "xxxx") 

  end 

  def self.unpatchAltEnter() 

    # the orginal assemblies 

    charArr = [0x66, 0xC7, 0x44, 0x24, 0x3C].pack('C5') 

    # address from full screen call 

    address = 0x1008C975 

    oldProtection = "xxxx" 

    VirtualProtect.call(address, 1024, PAGE_READWRITE, oldProtection) 

    MoveMemory.call(address, charArr, 5) 

    VirtualProtect.call(address, 1024, 64, "xxxx") 

  end 

  def self.patchF1() 

    # 6 NOPs 

    charArr = [0x90, 0x90, 0x90, 0x90, 0x90, 0x90].pack('C6') 

    # address from F1 call 

    address = 0x10003A36 

    oldProtection = "xxxx" 

    VirtualProtect.call(address, 1024, PAGE_READWRITE, oldProtection) 

    MoveMemory.call(address, charArr, 6) 

    VirtualProtect.call(address, 1024, 64, "xxxx") 

  end 

  def self.unpatchF1() 

    # the orginal assemblies 

    charArr = [0xFF, 0x15, 0x18, 0x00, 0x0E, 0x10].pack('C6') 

    # address from F1 call 

    address = 0x10003A36 

    oldProtection = "xxxx" 

    VirtualProtect.call(address, 1024, PAGE_READWRITE, oldProtection) 

    MoveMemory.call(address, charArr, 6) 

    VirtualProtect.call(address, 1024, 64, "xxxx") 

  end 

end