http://wiki.fx-world.org/ 2012-02-01T22:37:40+01:00 http://wiki.fx-world.org/ http://wiki.fx-world.org/lib/images/favicon.ico text/html 2011-08-06T00:16:19+01:00 JinaCurriere http://wiki.fx-world.org/doku.php?id=ops:vpfxd&amp;rev=1312582579&do=diff1312582579 vpfxd [] Alters the writing contents of a single precision float vector vd in the next non-prefix instruction. Can be used as a prefix instruction or as a postfix operand for vd. online casino Usage as prefix instruction: vpfxd ?0, ?1, ?2, ?3 text/html 2011-02-09T18:46:57+01:00 inamore http://wiki.fx-world.org/doku.php?id=start&amp;rev=1297273617&do=diff1297273617 This is the project page for the PSP VFPU documentation project. The original starter of this project was hlide. The original document creation thread can be found here: <http://forums.ps2dev.org/viewtopic.php?t=6929> Please visit the index for getting an overview of the currently documented VFPU ops. You can click this link online casino roulette text/html 2008-07-08T23:45:39+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:vhdp&amp;rev=1215553539&do=diff1215553539 vhdp.q/t/p Calculates the homogeneous dot product of vs and vt and stores the result in vd.s Usage: vhdp.q/t/p vd.s, vs, vt { vd.s = vt[|q/t/p|]; for (i = 0; i < |q/t/p|-1; ++i) vd.s += vs[i] * vt[i]; } clock ticks latency vhdp.q/t/p 1 7 text/html 2008-07-08T23:43:26+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:vdot&amp;rev=1215553406&do=diff1215553406 vdot.q/t/p Calculates the vector dot product of vs and vt and stores the result in vd.s Usage: vdot.q/t/p vd.s, vs, vt { vd.s = 0; for (i = 0; i < |q/t/p/s|; ++i) vd.s += vs[i] * vt[i]; } clock ticks latency vdot.q/t/p 1 7 text/html 2008-07-08T23:34:48+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:vpfxt&amp;rev=1215552888&do=diff1215552888 vpfxt [] Alters the reading contents of a single precision float vector vt in the next non-prefix instruction. Can be used as a prefix instruction or as a postfix operand for vt. Usage as prefix instruction: vpfxt ?0, ?1, ?2, ?3 Example as postfix operand: text/html 2008-07-08T23:32:20+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:vpfxs&amp;rev=1215552740&do=diff1215552740 vpfxs [] Alters the reading contents of a single precision float vector vs in the next non-prefix instruction. Can be used as a prefix instruction or as a postfix operand for vs. Usage as prefix instruction: vpfxs ?0, ?1, ?2, ?3 Example as postfix operand: text/html 2007-07-17T00:58:38+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:vcmp&amp;rev=1184626718&do=diff1184626718 vcmp.q/t/p/s Compare each component of the single precision float vector vd to the same component of vs and assigned VFPU_CC according to their comparison results. Type single-cycle instruction Description vcmp.q/t/p/s cn2, vd, vs (where cn2 = EQ/NE/LT/LE/GT/GE) { for (i = 0; i < 5; ++i) VFPU_CC[i] = 0; VFPU_CC[5] = 1; for (i = 0; i < |q/t/p|; ++i) VFPU_CC[i] = bcmp(cn2, vs[i], vt[i]); // cn2 = EQ/NE/LE/LT/GE/GT for (i = 0; i < |q/t/p|; ++i) { VFPU_CC[4] ||= VFPU… text/html 2007-07-17T00:52:27+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:lv_q&amp;rev=1184626347&do=diff1184626347 lv.q Loads a 16-byte long value from memory into a quad vfpu register. Type single-cycle instruction Description lv.q vd, offset(rm) { vd[0] = *((uint32 *)(rm + offset + 0)); vd[1] = *((uint32 *)(rm + offset + 4)); vd[2] = *((uint32 *)(rm + offset + 8)); vd[3] = *((uint32 *)(rm + offset + 12)); } text/html 2007-07-17T00:51:59+01:00 hlide http://wiki.fx-world.org/doku.php?id=ops:lv_s&amp;rev=1184626319&do=diff1184626319 lv.s Loads a 4-byte long value from memory into a single vfpu register. Type single-cycle instruction Description lv.s vd.s, offset(rm) { vd.s = *((uint32 *)(rm + offset)); } rm is a general purpose register holding a memory address. offset is optional.