95 lines
1.9 KiB
Plaintext
95 lines
1.9 KiB
Plaintext
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; Ambient light:
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NOP LQ VF26, ambientLight(VI00)
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NOP XITOP VI01
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NOP IADDIU VI03, VI12, 2
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Ambloop:
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NOP LQ VF03, 0(VI03) ; output color
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NOP NOP
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NOP NOP
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NOP NOP
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ITOF0 VF03, VF03 NOP
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NOP NOP
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NOP NOP
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NOP NOP
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ADD.xyz VF03, VF03, VF26 NOP
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NOP NOP
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NOP NOP
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NOP NOP
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FTOI0 VF03, VF03 NOP
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NOP IADDI VI01, VI01, -1
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NOP IADDIU VI03, VI03, numOutAttribs
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NOP IBNE VI01, VI00, Ambloop
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NOP SQ VF03, -numOutAttribs(VI03)
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; end amblight
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; Direct Light
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NOP LQ VF26, lightDir(VI00)
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NOP XITOP VI01
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NOP XTOP VI02
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NOP IADDIU VI03, VI12, 2
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SUB.xyz VF26, VF00, VF26 NOP
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Dirloop:
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NOP LQ VF01, 3(VI02); ; normal
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NOP LQ VF02, 0(VI03); ; output color
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NOP NOP
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NOP NOP
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MUL VF03, VF01, VF26 NOP
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ITOF0 VF02, VF02 NOP
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NOP NOP
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NOP NOP
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ADDy.x VF03, VF03, VF03y NOP
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NOP NOP
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NOP NOP
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NOP NOP
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ADDz.x VF03, VF03, VF03z NOP
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NOP NOP
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NOP NOP
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NOP NOP
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MAX.x VF03, VF00, VF03 NOP ; clamp to 0
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NOP[I] LOI 255
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NOP NOP
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NOP NOP
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MULi.x VF03, VF03, I NOP
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NOP NOP
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NOP NOP
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NOP NOP
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ADDx.xyz VF02, VF02, VF03x NOP
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NOP NOP
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NOP NOP
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NOP NOP
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FTOI0 VF02, VF02 NOP
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NOP IADDI VI01, VI01, -1
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NOP IADDIU VI02, VI02, numInAttribs
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NOP IADDIU VI03, VI03, numOutAttribs
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NOP IBNE VI01, VI00, Dirloop
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NOP SQ VF02, -numOutAttribs(VI03)
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; end dirlight
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; Material color and clamp
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NOP LQ VF27, matColor(VI00)
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NOP XITOP VI01
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NOP IADDIU VI03, VI12, 2
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Colorloop:
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NOP LQ VF03, 0(VI03)
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NOP NOP
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NOP NOP
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NOP NOP
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ITOF0 VF03, VF03 NOP
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NOP NOP
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NOP NOP
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NOP NOP
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MUL VF03, VF03, VF27 NOP
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NOP[I] LOI 255
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NOP NOP
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NOP NOP
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MINIi VF03, VF03, I NOP
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NOP NOP
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NOP NOP
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NOP NOP
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FTOI0 VF03, VF03 NOP
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NOP IADDI VI01, VI01, -1
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NOP IADDIU VI03, VI03, numOutAttribs
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NOP IBNE VI01, VI00, Colorloop
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NOP SQ VF03, -numOutAttribs(VI03)
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; end material color
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