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GBA game machine simulating method

A simulation method and game machine technology, applied in the field of simulators, can solve the problems of short running time and low efficiency, and achieve the effect of improving performance

Inactive Publication Date: 2006-07-12
徐靖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0039] Disadvantages of the existing technology: According to the above analysis, it can be seen that the existing technology completely uses software to interpret and execute GBA instructions, which can be applied to different hardware platforms, b

Method used

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  • GBA game machine simulating method
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  • GBA game machine simulating method

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Experimental program
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Embodiment Construction

[0072] Below in conjunction with the accompanying drawings, the preferred embodiments of the present invention are described in detail as follows:

[0073] The invention relates to a simulation method for improving the poor performance of GBA game software applied to other products by using a computer program. The technical solution of the present invention is a simulation method, which can be logically called a simulator.

[0074] The processing of the interrupt in the embodiment of the present invention is relatively simple. The interrupt vector of the GBA is at 0x3007FFC, and the interrupt processing program of the GBA can be called as a function. When the simulator generates an interrupt, first set the corresponding bit in the interrupt request flag register (IF), and then adjust the interrupt processing function.

[0075] 202h-IF-Interrupt Request Flags / IRQ Acknowledge (R / W, see below)

[0076] Bit Expl.

[0077] 0 LCD V-Blank (1=Request Interrupt)

[0078] 1 LCD H-Bl...

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PUM

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Abstract

The invention discloses an analog method of GBA game machine and emulator, which comprises the following steps: distributing and initiating internal memory; loading the GBA software into the address A of internal memory; initiating SDL; building window; initiating the input and output part; assembling SWI and abnormal disposal program of data abort; building a proc gba from address A; judging whether the analogy is over; analogizing GBA input and output to make proc gba gain operation opportunity; disposing SDL abnormal event to gain user input; refreshing program window to judge whether the analogy is over repeatedly if no; closing the program window and releasing the internal memory; unloading the abnormal disposal program if yes. The invention improves the GBA emulator property greatly, which is fit for cell phone, MP3 and PDA.

Description

technical field [0001] The invention relates to a simulator, in particular to a simulation method of a GBA game machine. Background technique [0002] GBA (GameBoy Advance) is a very successful handheld game console produced by Nintendo of Japan. It has a wealth of high-quality game software, and its software number is more than 1,000. This game console is very popular all over the world. The quantity is very large. The structure of GBA is described below. like figure 1 , figure 2 shown. [0003] GBA CPU [0004] 32-bit RISC type CPU (ARM7TDMI) / 16.78MHZ [0005] The ability to be backward compatible with GBC [0006] In order to be compatible with an 8-bit CISC type CPU [0007] (However, this CPU cannot work with GBA's CPU at the same time) [0008] Memory [0009] System ROM 16K bytes (including 2K bytes of GBC system ROM) [0010] Working RAM 32K bytes + CPU external 256K bytes (two clock cycles) [0011] VRAM 96K bytes [0012] OAM 64-bit*128 [0013] Pale...

Claims

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Application Information

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IPC IPC(8): G06F11/36A63F13/00A63F13/26A63F13/42
Inventor 徐靖
Owner 徐靖