Flappo Mac OS

Posted on 5/11/2021 by admin

The GoF grouped some well-known design patterns under 3 categories. Under the structural patterns you can find The Decorator Pattern. A design pattern that allows us to change, or add, objects functionality at run-time, in a statically typed object-oriented programming languages.Naming aside, Python Decorators are a different thing. Even though we get some similar things, and some times we might feel that they are the same, I think that not many people stress this enough: Python Decorators are NOT an implementation of the decorator pattern.

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Mac startupkeys

Press the Joystick Fire button to start the game and then avoid as many obstacles as you can by pressing Fire to flap the little birds wings. Remember, in order to play Flappo Bird, you'll need a 2600 emulator.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.

[This document is obsolete: Please consultMagicalMacintosh Key Sequences by Dave Polaschek.]

When a Macintosh is powered-up or Restarted ('booted'),various pieces of Mac ROM and System software examine the keyboard,and take special actions if certain keys are held down. This pagesummarizes the actions.

The upshot being that if you happen to have 400KB Mac floppy disks formatted with MFS, then you need a system running Mac OS 7.6.1 or older to read them. And while MFS formatted disks may be rare, any and all Mac disks from 1984 to 1986 would be MFS formatted because it was the only option availabe.

Booting involves several phases; startup keys take effect atdifferent times depending upon the phase. Sometimes the same keyhas a different effect depending upon which phase it is sensed.Generally, you should hold the indicated keys down until the desiredaction takes place.

Boot ROM

Command-Option-P-R	Zap PRAM (double boot)
R	Force PowerBook to reset the screen
Command-Option-A-V	Reset AppleVision Display (1.5.2 or later)
Command-Option-T-V	Force Quadra AV (only) to use TV as a monitor
Command-Option-X-O	Force Mac Classic (only) to Boot from ROM
Mouse button	Eject Floppy, then boot from SCSI
Command-Option-Shift-Delete	Bypass the device that is selected in the Startup Disk control panel; boot from the first bootable device other than that.
Command-Option-Shift-Delete-#	Boot from a specific SCSI ID, where # is 0 through 6
C	Boot from internal CD-ROM (Most late model Macs)
N	Boot from network (iMac and later models)
D	Boot from the internal hard disk if the default boot device has been set to something else
Z	Boot from an internal Zip drive
O-F	Access Open Firmware (on G3 and later models)
T	Boot into FireWire Target Disk mode (on certain FireWire-equipped Macs)

Upon appearance of the happy face, let go of any boot keysyou may have needed, then immediately press any keys you needto control ...

Mac OS System startup

Control	Invoke MacsBug upon startup.
Option	In Mac OS 9.x, on a startup disk having multiple system folders, invoke dialog to choose System Folder.
Command	Boot with Virtual Memory off
Shift	Disable all Extensions and Control Panels. Release Shift when the message 'Extensions disabled' appears in the welcome box.
Space	Open extension manager before loading Extensions or Control Panels. Release the Space bar when the Extensions Manager displays its screen.

Holding the Shift key early in the boot sequence disables allExtensions and Control Panels. Individual Extensions and ControlPanels may disable themselves upon seeing the Shift key laterin the boot sequence, but the timing for this is difficult toachieve! Upon loading, an Extension or Control Panel is supposedto display its icon in the 'icon parade.' If the iconis displayed at boot time, but the Extension or Control Paneldisables itself because the Shift key is held or some error conditionis detected, it is conventional for a red X to be drawn over itsicon.

Immediately upon the appearance of the (blank) menu bar, pressany keys you need to control ...

Finder startup

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Command-Option	Rebuild Desktop
Option	Don't open Finder windows
Shift	Disable 'Startup Items'

After startup

Lots of Finder shortcuts are documented in the online FinderHelp. (p.s. Don't delete that file: Certain Apple installersrefuse to function unless that file is in its proper place.) Command-Shift-1 (or 2, or 0)Eject a Floppy Disk [FKEYs]Command-Option-ESCForce current app to quit.Command-POWERInvoke the debugger (if MacsBug is installed) - G to return to interrupted code

Restart, Sleep, Shutdown

If you have a Power key, it is at the top of your keyboard,at the center or on the right hand side; it carries an incusedtriangle symbol.

POWER	Present Restart, Sleep, Shutdown dialog - key R for Restart, S for Sleep, ESC for cancel, or Return for Shutdown.
Control-Command-Option-POWER	Fast Shutdown
Command-Option-POWER	Put late model PowerBooks & Desktops to sleep
Control-Command-POWER	Unconditional, forced reboot (the 'three-finger salute')

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