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Entertainment apparatus and loading method for digital information

A technology for digital information and entertainment equipment, applied in the direction of electrical digital data processing, digital recording/reproduction, digital data processing components, etc., and can solve problems such as insufficient execution of CPU processing

Inactive Publication Date: 2008-10-08
SONY COMPUTER ENTERTAINMENT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, there may be a disadvantage that, if the CPU is made to perform additional processing, the processing that the CPU should have performed will not be sufficiently performed.

Method used

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  • Entertainment apparatus and loading method for digital information
  • Entertainment apparatus and loading method for digital information

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Embodiment Construction

[0030] Hereinafter, a preferred embodiment of an entertainment device according to the present invention will be described in detail with reference to the accompanying drawings.

[0031] (Configuration of entertainment equipment)

[0032] figure 1 A configuration example of an entertainment device according to this embodiment is explained.

[0033] This entertainment device is, for example, a computer that can be used as a game device. The entertainment system comprises a main bus MB and a sub bus SB, which are interconnected via a central bus CB with queues 1 . Then, various function realizing units are connected to the main bus MB and the sub bus SB, thereby constituting the entertainment device.

[0034] CPU2, memory 3, image processor 4 and DMAC5 are connected to main bus MB. A disk drive 6, an I / O processor 7, a sound processor 8, a security module 9, a controller 11, a memory card 12, and a ROM 13 are connected to a sub bus SB.

[0035] CPU2 is a semiconductor devic...

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PUM

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Abstract

The entertainment apparatus comprises a main bus and a subbus, which are connected to each other via a center bus having a queue. A CPU, a memory, an image processor and a DMAC are connected to the main bus. A disk drive, an I / O processor, a sound processor, and a security module are connected to the subbus. A program code, which is compressed and partially encrypted, is recorded on a secondary recording medium. The I / O processor obtains a decryption key from the security module. The I / O processor decrypts digital information read from the secondary recording medium based on the decryption key and decompresses the digital information. The decompressed digital information is written into the memory via the queue using a DMA transfer.

Description

[0001] Related application reference [0002] This application is based on and enjoys priority from prior Japanese Patent Application No. 2000-058045 filed on March 2, 2000 and No. 2001-052360 filed on February 27, 2001, all of which The content is here for reference. technical field [0003] The present invention relates to an entertainment device that can execute a game based on digital information recorded on a recording medium such as CD-ROM (Compact Disc Read Only Memory) or DVD-ROM (Compact Disc Read Only Memory) , or can produce predetermined music and images. In particular, the present invention relates to a loading mechanism for loading digital information from an external recording medium into an internal memory of an entertainment device. Background technique [0004] Conventional entertainment devices implemented as computers dedicated to entertainment such as games do not have large-capacity recording media, which are generally implemented with hard disks. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/00G06F12/14G06F3/08G11B20/10
CPCA63F13/10A63F2300/206A63F2300/201A63F13/45G06F9/06A63F13/73A63F13/95
Inventor 畠山明之堀川勉
Owner SONY COMPUTER ENTERTAINMENT INC
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