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https://github.com/hch12907/orbum.git
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95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
#include <boost/format.hpp>
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#include "Controller/Ee/Vpu/Vu/Interpreter/CVuInterpreter.hpp"
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#include "Core.hpp"
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// All instructions here are related to the flags.
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// Mostly straightforward.
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void CVuInterpreter::FSAND(VuUnit_Base* unit, const VuInstruction inst)
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{
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const uword status = unit->status.read_uword();
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SizedHwordRegister& vi = unit->vi[inst.it()];
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vi.write_uhword(status & inst.imm12());
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}
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void CVuInterpreter::FSEQ(VuUnit_Base* unit, const VuInstruction inst)
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{
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const uword status = unit->status.read_uword();
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SizedHwordRegister& vi = unit->vi[inst.it()];
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vi.write_uhword((uhword)(status == inst.imm12()));
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}
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void CVuInterpreter::FSOR(VuUnit_Base* unit, const VuInstruction inst)
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{
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const uword status = unit->status.read_uword();
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SizedHwordRegister& vi = unit->vi[inst.it()];
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vi.write_uhword(status | inst.imm12());
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}
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void CVuInterpreter::FSSET(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedWordRegister& status = unit->status;
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// Set the sticky flags
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// 0xFC0 == 0b111111000000
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status.write_uhword(0, status.read_uhword(0) | (inst.imm12() & 0xFC0));
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}
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void CVuInterpreter::FMAND(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& it = unit->vi[inst.it()];
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const uword mac = unit->mac.read_uword();
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const uhword is = unit->vi[inst.is()].read_uhword();
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it.write_uhword(mac & is);
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}
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void CVuInterpreter::FMEQ(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& it = unit->vi[inst.it()];
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const uword mac = unit->mac.read_uword();
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const uhword is = unit->vi[inst.is()].read_uhword();
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it.write_uhword(mac == is);
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}
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void CVuInterpreter::FMOR(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& it = unit->vi[inst.it()];
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const uword mac = unit->mac.read_uword();
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const uhword is = unit->vi[inst.is()].read_uhword();
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it.write_uhword(mac | is);
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}
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void CVuInterpreter::FCAND(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& vi01 = unit->vi[1];
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const uword clipping = unit->clipping.read_uword();
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vi01.write_uhword((clipping & inst.imm24()) > 0);
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}
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void CVuInterpreter::FCEQ(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& vi01 = unit->vi[1];
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const uword clipping = unit->clipping.read_uword();
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vi01.write_uhword(clipping == inst.imm24());
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}
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void CVuInterpreter::FCOR(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& vi01 = unit->vi[1];
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const uword clipping = unit->clipping.read_uword();
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vi01.write_uhword((clipping | inst.imm24()) == 0xFFFFFF);
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}
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void CVuInterpreter::FCSET(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedWordRegister& clipping = unit->clipping;
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clipping.write_uword(inst.imm24());
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}
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void CVuInterpreter::FCGET(VuUnit_Base* unit, const VuInstruction inst)
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{
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SizedHwordRegister& it = unit->vi[inst.it()];
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const uhword clipping = unit->clipping.read_uword();
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it.write_uhword(clipping & 0xFFF);
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}
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