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[iQue] Match libultra/mgu (#2406)
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3 changed files with 11 additions and 9 deletions
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@ -13,23 +13,23 @@ LEAF(guMtxF2L)
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addu t8, a1, MTX_FRACPART
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1:
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lwc1 ft0, 0(a0)
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lwc1 ft3, 4(a0)
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mul.s ft1, ft0, fv0
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mul.s ft4, ft3, fv0
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trunc.w.s ft2, ft1
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lwc1 ft3, 4(a0)
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mul.s ft4, ft3, fv0
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trunc.w.s ft5, ft4
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mfc1 t0, ft2
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mfc1 t1, ft5
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srl t3, t1, 0x10
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and t6, t1, 0xFFFF
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and t2, t0, t9
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sll t5, t0, 0x10
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srl t3, t1, 0x10
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or t4, t2, t3
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or t7, t5, t6
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sw t4, (MTX_INTPART)(a1)
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sll t5, t0, 0x10
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and t6, t1, 0xFFFF
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or t7, t5, t6
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sw t7, (MTX_FRACPART)(a1)
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addu a0, a0, 8
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addu a1, a1, 4
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addu a0, a0, 8
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bne a1, t8, 1b
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jr ra
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@ -8,8 +8,8 @@ LEAF(guNormalize)
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lwc1 ft0, (a0)
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lwc1 ft1, (a1)
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lwc1 ft2, (a2)
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li.s t0, 1.0
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mul.s ft3, ft0, ft0
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li.s t0, 1.0
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mul.s ft4, ft1, ft1
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add.s ft5, ft3, ft4
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mul.s ft4, ft2, ft2
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@ -18,7 +18,9 @@ LEAF(guNormalize)
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sqrt.s ft4, ft3
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div.s ft3, ft5, ft4
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mul.s ft4, ft0, ft3
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nop
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mul.s ft5, ft1, ft3
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nop
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mul.s ft0, ft2, ft3
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swc1 ft4, (a0)
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swc1 ft5, (a1)
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@ -23,8 +23,8 @@ LEAF(guTranslate)
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or t0, t0, t2
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sw t0, 0x18(a0)
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sll t2, t3, 0x10
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sll t0, t1, 0x10
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sll t2, t3, 0x10
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srl t2, t2, 0x10
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or t0, t0, t2
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sw t0, 0x38(a0)
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