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RSP: Add method to get element specifier index from the Vector

This commit is contained in:
zilmar 2023-07-18 07:55:06 +09:30
parent 97fccb1c36
commit 6e03d6ad7b
3 changed files with 19 additions and 5 deletions
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7
Source/Project64-rsp/Interpreter Ops.cpp
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@ -1262,19 +1262,16 @@ void RSP_Vector_VSUB(void)
void RSP_Vector_VABS(void)
{
uint8_t del;
RSPVector Result;
for (uint8_t el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.e].B[el];
if (RSP_Vect[RSPOpC.vs].s16(el) > 0)
{
Result.s16(el) = RSP_Vect[RSPOpC.vt].u16(del);
Result.s16(el) = RSP_Vect[RSPOpC.vt].ue(el, RSPOpC.e);
}
else if (RSP_Vect[RSPOpC.vs].s16(el) < 0)
{
Result.u16(el) = RSP_Vect[RSPOpC.vt].u16(del) == 0x8000 ? 0x7FFF : RSP_Vect[RSPOpC.vt].s16(del) * -1;
Result.u16(el) = RSP_Vect[RSPOpC.vt].ue(el, RSPOpC.e) == 0x8000 ? 0x7FFF : RSP_Vect[RSPOpC.vt].se(el, RSPOpC.e) * -1;
}
else
{

14
Source/Project64-rsp/cpu/RspTypes.cpp
View File

@ -1,11 +1,25 @@
#include "RspTypes.h"
extern UDWORD EleSpec[16];
RSPVector::RSPVector()
{
m_Reg[0] = 0;
m_Reg[1] = 0;
}
uint16_t & RSPVector::ue(uint8_t Index, uint8_t Element)
{
Index = EleSpec[Element].B[Index];
return ((uint16_t*)&m_Reg)[7 - Index];
}
int16_t & RSPVector::se(uint8_t Index, uint8_t Element)
{
Index = EleSpec[Element].B[Index];
return ((int16_t*)&m_Reg)[7 - Index];
}
int8_t & RSPVector::s8(uint8_t Index)
{
return ((int8_t*)&m_Reg)[15 - Index];

3
Source/Project64-rsp/cpu/RspTypes.h
View File

@ -29,6 +29,9 @@ class RSPVector
public:
RSPVector();
uint16_t & ue(uint8_t Index, uint8_t Element);
int16_t & se(uint8_t Index, uint8_t Element);
int8_t & s8(uint8_t Index);
uint8_t & u8(uint8_t Index);
int16_t & s16(uint8_t Index);