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25 lines
635 B
C
25 lines
635 B
C
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#include "pspmath.h"
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unsigned int vfpu_rand_8888(int min, int max) {
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unsigned int result;
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__asm__ volatile (
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"mtv %1, S020\n"
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"mtv %2, S021\n"
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"vmov.t C000, C020[x, x, x]\n"
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"vmov.t C010, C020[y, y, y]\n"
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"vi2f.t C000, C000, 0\n"
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"vi2f.t C010, C010, 0\n"
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"vsub.t C010, C010, C000\n"
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"vrndf1.t C020\n"
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"vsub.t C020, C020, C020[1, 1, 1]\n"
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"vmul.t C020, C020, C010\n"
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"vadd.t C020, C020, C000\n"
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"vf2iz.t C020, C020, 23\n"
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"viim.s S023, 255\n"
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"vf2iz.s S023, S023, 23\n"
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"vi2uc.q S000, C020\n"
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"mfv %0, S000\n"
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:"=r"(result): "r"(min), "r"(max));
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return result;
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}
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