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1. #Scr emulator usa mac drivers
2. #Scr emulator usa mac driver
3. #Scr emulator usa mac Pc
4. #Scr emulator usa mac windows

This can be accomplished by setting the REG_DWORD registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters\CrashOnCtrlScroll to 1.

#Scr emulator usa mac windows

In the Microsoft Windows NT family starting with Windows 2000, a debugging feature can be enabled, that allows the user to manually crash the system, generating a memory dump for analysis of the current state of the operating system. The operating system, however, will temporarily suspend any automatic timeouts ( TIMEOUT=,) in CONFIG.SYS trace ( TRACE=ON|OFF) and F7/ F8 single-stepping modes for as long as Scroll Lock is active.

#Scr emulator usa mac drivers

Īctivating Scroll Lock during boot will enter a DIAG mode as well, wherein some special drivers may display more verbose messages, but in contrast to the situation under the Multiuser DOS family normal DOS drivers do not typically display additional information. ĭR-DOS 7.02 and higher provides a CONFIG.SYS directive named SCROLLOCK=ON|OFF to change the Scroll Lock status on the fly. Automatic scrolling is suspended for as long as Scroll Lock remains activated. In Multiuser DOS, System Manager, and REAL/32, activating Scroll Lock during boot will always enter a special diagnostic mode, where the operating system and loaded device drivers will display detailed status and debugging information about themselves and their interaction with the operating system, sometimes up to several screenfuls per loaded driver. The Linux console implements this behaviour by using ⇧ Shift+ Page Up and ⇧ Shift+ Page Down, not requiring Scroll Lock to be active. Pressing Scroll Lock again disables this mode and moves back to the bottom of the output. On the FreeBSD system console, the Scroll Lock key additionally enables scrolling: after pressing Scroll Lock, one can use Page Up and Page Down to scroll up or down. The behaviour must be distinguished from pressing the Pause key during POST or under DOS, which, by default, has the effect of temporarily halting the running process. This behaviour emulates the Hold Screen key or similar flow control mechanisms on computer terminals. If not configured otherwise, Ctrl+ S and Ctrl+ Q can be used instead of Scroll Lock in any terminal in Linux to freeze and unfreeze the terminal output respectively.

#Scr emulator usa mac driver

This allows the user to pause the display and read long messages that scroll through the screen too quickly to read, such as for example when the system is booting up (provided the keyboard driver has already been loaded). When Scroll Lock is pressed again, the screen is unfrozen and all text generated during the freeze is displayed at once. Pressing the Scroll Lock key in the Linux console while text is scrolling through the screen freezes the console output (but not input) during which no further text is sent to the screen, while the program continues running as usual. While the window scrolling behaviour with Caret navigation disabled (the default) is similar to that suggested for Scroll Lock, enabling Caret navigation will enable a cursor scrolling behaviour as if Scroll Lock were disabled. Some web browsers including Google Chrome, Firefox, and Internet Explorer support a Caret browsing mode which can be toggled by F7. Often, the middle or the wheel mouse button works as a toggle determining if mouse movements will move the mouse cursor or scroll the contents in scroll window. Most GUI environments neglect Scroll Lock, which means scrolling must be accomplished with a mouse, using means such as scrollbars or scroll wheels. Some text editors (such as Notepad++, Microsoft Visual Studio) exhibit similar behavior when the arrow keys are used with Ctrl pressed. Modern programs honoring this behavior include IBM Lotus Notes, Forté Agent, Image-Line FL Studio, Renoise, Microsoft Excel, Microsoft Project, LibreOffice Calc, and on occasions Microsoft Word. Today, this particular use of Scroll Lock is rare. In this usage, Scroll Lock is a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is released. When the Scroll Lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor. In the original design, Scroll Lock was intended to modify the behavior of the arrow keys.

#Scr emulator usa mac Pc

The Scroll Lock key was meant to lock all scrolling techniques, and is a vestige of the original IBM PC keyboard.