摘要:
A method and apparatus utilizes information describing linear line segments in terms (1) the horizontal scan line scan at which the line segment originates, (2) the horizontal position within the line of the point of origin, (3) the direction of the line segment, and (4) the horizontal scan line at which the line segment terminates to generate line segment information on a raster-scan type video display. The line segments can be combined to form polygonal areas that are capable of movement and changes in size or shape on the display.
摘要:
A method and apparatus provides for the generation of a number of elliptical images on a raster scan video display screen by storing information indicative of a predetermined model image, and for each elliptical image to be displayed, storing data indicative of the vertical and horizontal eccentricity of each image, and its display location. During display time, the vertical eccentricity, horizontal eccentricity, and display location binary information for each elliptical is accessed and used to sequentially read selected portions of the model image information to produce therefrom address signals indicative of the location of individual horizontal display elements that make up the desired elliptical image. The address signals are applied to a random access memory to store marker information indicative of the elliptical image at memory locations corresponding to the position on the display screen that the image will take. The random access memory is sequentially scanned in synchronism with the scan of the electron beam used to form the raster, converted to video information and displayed.
摘要:
The resolution of relatively low resolution type information signals is enhanced by inserting black level signals between adjacent picture elements at predetermined positions in each odd horizontal scanning line, and inserting black level signals between adjacent picture elements at different predetermined positions in even horizontal scanning lines. The black level signals are inserted by extinguishing a CRT beam in accordance with phase displaced clock signal trains, preferably phase displaced by 180.degree..
摘要:
A microprocessor based data processing system including a microprocessor, a memory unit, and display unit is provided with a programmable graphics generator that transfers graphics information from the memory unit to the display unit in response to and control of a set of display instructions also stored in the memory unit. The graphics generator includes a first addressing unit for sequentially accessing the display instructions from the memory unit; a control unit for receiving, storing and decoding such instruction and for issuing supervisory and control signals in response to the binary state of each instruction; a second addressing unit for accessing graphics information from the memory unit in response to the supervisory signals from the control unit; and a third addressing unit for accessing movable object graphics stored in the memory unit.
摘要:
Apparatus for use in shooting an imaginary ball of an electronic pinball game which has score display means comprising a shaft or plunger which shifts longitudinally in a forward direction after being pulled rearwardly and released. Detecting means adjacent to the longitudinal path of travel generates electronic signals as a function of the movement of the shaft and the signals are used as a measure of the speed and direction of the shaft, and the signals are applied to circuitry which operates scoring and other devices controlling the display means. In one embodiment, the detecting means comprises a pair of Hall effect detectors which are longitudinally spaced apart and are actuated by magnets carried by the shaft. In a second embodiment, the detecting means includes a pair of spaced photocells, respective light sources for the photocells, and an opaque tab carried by the shaft for movement between each photocell and its light source. The time interval between the actuation of the first photocell and the actuation of the second photocell is a measure of the speed of the shaft and is proportional to the force exerted by the shaft on the imaginary ball. The circuitry which operates the scoring and other electronic devices associated with the display means can then provide the output to the display means in accordance with the magnitude of the generated signals.
摘要:
The present invention provides a spinning target which is accurately responsive to the force of impact of a pinball on the target. A generally flat target element is suspended above the playfield so that it is rotatable about an axis parallel to the playfield and sufficiently above the field so that the pinball can pass below when the target element is in a horizontal configuration. The target element has a principal axis of inertia generally coincident with the axis of rotation of the target element. The target element is biased so that it is maintained in a vertical configuration until impacted by the pinball. A pair of weights which have a mass density relatively greater than the mass density of the target element are embedded in the target element in its respective extremities. The weights are symmetrically disposed relative to and remote from the principal axis of the target element. The target element together with the weights has a relatively high moment of inertia to sustain rotation of the target element proportionate to the force of impact of the pinball on the target element. The number of revolutions of the target element are tabulated to provide a score which is proportional to the force of impact of the pinball on the target.
摘要:
An amusement game which includes a rotating column and viewport for simulating the periscope column at the conning station of a submarine. A video tube is mounted within the column and is operated to form a video display simulating periscope scenes projected along the line of sight of the viewport. An enclosure with transparent walls which confine a liquid is carried within the column and is disposed across the line of sight for creating a simulated water line which is superimposed together with a graticule on the video display. A speaker is carried on the column for simulating the audio environment at the conning station. A deck and railing are mounted about the column, and the railing supports a simulated overhead above the column. A cupola having a peripheral panel of transparent material is mounted on the overhead, and a backlighted drum displaying a panoramic scene is mounted within the cupola for rotation with the column.
摘要:
A method of operating a video game where a full screen memory map is utilized in conjunction with a microprocessor unit which operates on a clock cycle basis where during one portion of a clock cycle video data is latched into a shift register and during the other part of the clock cycle other necessary game functions are performed by the MPU, and during the entire clock cycle video data is shifted at the horizontal scan rate from the shift register to the display screen.