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VIF: Implement SET instructions

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This commit is contained in:
hch12907 2018-11-19 22:16:14 +08:00
parent afcde2166d
commit db74f7dd49
1 changed files with 28 additions and 7 deletions
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35
liborbum/src/Controller/Ee/Vpu/Vif/CVif_SET.cpp
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@ -7,7 +7,7 @@
void CVif::STCYCL(VifUnit_Base* unit, const VifcodeInstruction inst)
{
// Writes CODE.IMMEDIATE to CYCLE
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->cycle.write_uword(immediate);
}
@ -25,7 +25,7 @@ void CVif::OFFSET(VifUnit_Base* unit, const VifcodeInstruction inst)
unit->stat.insert_field(VifUnitRegister_Stat::DBF, 0);
// Writes the lower 10 bits of CODE.IMMEDIATE to OFST
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->ofst.insert_field(VifUnitRegister_Ofst::OFFSET, immediate);
// Transfer BASE to TOPS
@ -43,26 +43,28 @@ void CVif::BASE(VifUnit_Base* unit, const VifcodeInstruction inst)
}
// Writes the lower 10 bits of CODE.IMMEDIATE to BASE
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->base.insert_field(VifUnitRegister_Base::BASE, immediate);
}
// Refer to EE Users Manual pg 107.
void CVif::ITOP(VifUnit_Base* unit, const VifcodeInstruction inst)
{
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->itops.insert_field(VifUnitRegister_Itops::ITOPS, immediate);
}
// Refer to EE Users Manual pg 108.
void CVif::STMOD(VifUnit_Base* unit, const VifcodeInstruction inst)
{
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->mode.insert_field(VifUnitRegister_Mode::MOD, immediate);
}
void CVif::MSKPATH3(VifUnit_Base* unit, const VifcodeInstruction inst)
{
RResources& r = core->get_resources();
// VIF1 only
if (unit->core_id != 1)
{
@ -70,23 +72,42 @@ void CVif::MSKPATH3(VifUnit_Base* unit, const VifcodeInstruction inst)
return;
}
// TODO: Implement this when GIF is implemented
const uword immediate = inst.imm();
const bool should_mask = immediate >> 15;
r.ee.gif.stat.insert_field(GifRegister_Stat::M3P, should_mask);
}
void CVif::MARK(VifUnit_Base* unit, const VifcodeInstruction inst)
{
uword immediate = inst.imm();
const uword immediate = inst.imm();
unit->mark.insert_field(VifUnitRegister_Mark::MARK, immediate);
}
void CVif::STMASK(VifUnit_Base* unit, const VifcodeInstruction inst)
{
if (unit->packets_left)
return;
unit->mask.write_uword(unit->processing_data);
}
void CVif::STROW(VifUnit_Base* unit, const VifcodeInstruction inst)
{
if (unit->packets_left >= 4)
return;
SizedWordRegister* row_regs[4] = { &unit->r3, &unit->r2, &unit->r1, &unit->r0 };
row_regs[unit->packets_left]->write_uword(unit->processing_data);
}
void CVif::STCOL(VifUnit_Base* unit, const VifcodeInstruction inst)
{
if (unit->packets_left >= 4)
return;
SizedWordRegister* col_regs[4] = { &unit->c3, &unit->c2, &unit->c1, &unit->c0 };
col_regs[unit->packets_left]->write_uword(unit->processing_data);
}