al - Audio Library Functions gDP - DP GBI Macros gdSP - General GBI Macros gSP - SP GBI Macros gt - Turbo Microcode RDP gu - Graphics Utilities Math - Math Functions nuSys - NuSystem os - N64 Operating System sp - Sprite Library Functions uh - Host to Target IO 64DD - N64 Disk Drive
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guS2DEmuSetScissorFormatvoid guS2DEmuSetScissor (u32 ulx, u32 uly, u32 lrx, u32 lry, u8 bilerp);Arguments
This function sets the scissoring parameters and texture filter referenced by the guS2DEmuBgRect1Cyc function. It is one of the following two new emulation functions that came with the S2DEX microcode that you can use to have the CPU emulate the S2DEX microcode:
This function need only be called once before guS2DEmuBgRect1Cyc is called. As long as there is no change in the scissor box and texture filter, it need only be called once during game initialization. In other words, you don't need to call it every time a frame is drawn. For detailed information on S2DEX microcode GBI macros and data structures, please see the "S2DEX Microcode" area of the N64 Programming Manual. See Also guS2DInitBg
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