mirror of
https://github.com/thug1src/thug.git
synced 2025-01-22 05:43:47 +00:00
102 lines
1.8 KiB
C++
102 lines
1.8 KiB
C++
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#include <core/defines.h>
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#include "vu1code.h"
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#include "dma.h"
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#include "vif.h"
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#include "vu1.h"
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#include "gif.h"
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#include "gs.h"
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namespace NxPs2
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{
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//--------------------------------------------------
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// G S P R I M C O N S T R U C T I O N
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//--------------------------------------------------
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// begin
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void gs::BeginPrim(uint FLG, uint Prim, uint Pre)
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{
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vif::STCYCL(1,1);
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vif::UNPACK(0, V4_32, 1, FLG, UNSIGNED, 0);
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gif::BeginTag1(gs::A_D, 1, PACKED, Prim, Pre, VU1_ADDR(GSPrim));
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vif::BeginUNPACK(0, V3_32, FLG, UNSIGNED, 1);
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}
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// end
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void gs::EndPrim(uint Eop)
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{
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vif::EndUNPACK();
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gif::EndTag1(Eop);
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}
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// output 1 GS register DIRECT via PATH2, V4_32 format
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void gs::Reg2(eReg Reg, uint64 Data)
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{
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dma::Store64(Data);
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dma::Store64((uint64)Reg);
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}
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// version returning address of data
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uint32 *gs::Reg2_pData(eReg Reg, uint64 Data)
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{
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uint32 *p_ret = (uint32 *) dma::pLoc;
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dma::Store64(Data);
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dma::Store64((uint64)Reg);
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return p_ret;
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}
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// Modify the TBPs of GS registers
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void gs::ModifyTBP(eReg Reg, uint32 *p_reg_ptr, sint16 tbp1, sint16 tbp2, sint16 tbp3)
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{
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switch (Reg)
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{
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case BITBLTBUF: // only modifies DBP
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*(++p_reg_ptr) &= ~(M14); // DBP
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*( p_reg_ptr) |= (tbp1 & M14);
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break;
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case TEX0_1:
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case TEX0_2:
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*( p_reg_ptr) &= ~(M14); // TBP
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*( p_reg_ptr) |= (tbp1 & M14);
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if (tbp2 >= 0)
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{
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*(++p_reg_ptr) &= ~(M14 << 5); // CBP
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*( p_reg_ptr) |= (tbp2 & M14) << 5;
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}
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break;
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case TEX2_1:
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case TEX2_2:
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*(++p_reg_ptr) &= ~(M14 << 5); // CBP
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*( p_reg_ptr) |= (tbp1 & M14) << 5;
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break;
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case MIPTBP1_1:
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case MIPTBP1_2:
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case MIPTBP2_1:
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case MIPTBP2_2:
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default:
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#ifdef __PLAT_NGPS__
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Dbg_MsgAssert(0, ("gs::ModifyTBP(): Can't modify register %x", Reg));
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#endif
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break;
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}
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}
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} // namespace NxPs2
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