how do i change the mac start up to verbose in mame emulator

For trackballs, the input is practically identical to a mouse. Hardware for Emulatorsīecause mouse input is ubiquitous on modern computers, spinners and trackballs translate nicely to emulators that can accept input from a mouse. In this respect, a spinner is also like a mouse that only moves in a straight line (left/right or up/down). By rolling a ball that is in direct contact with the spindles, trackballs can provide two-dimensional input like a mouse. Trackballs are essentially the same but they have two spindles oriented perpendicular to one another. Optical sensors detect the movement of the encoder wheel and forward the speed and rotational direction to the arcade game. Spinners operate by rotating a spindle which turns an encoder wheel. Spinners, Trackballs, and Lightguns are often described together because they are seen as mouse devices by the operating system. Although RetroPie is often able to accommodate the use of a joystick instead, many popular titles are best played with their native controls. Lightguns were common accessories for both arcade and console games. Spinners and Trackballs appear on the control panels of many arcade classics.

How do i change the mac start up to verbose in mame emulator