flycast/core/hw/pvr/pvr_regs.cpp

124 lines
2.2 KiB
C++

#include "pvr_regs.h"
#include "pvr_mem.h"
#include "Renderer_if.h"
#include "ta.h"
#include "spg.h"
u32 palette_ram[1024];
bool pal_needs_update=true;
bool fog_needs_update=true;
u32 _pal_rev_256[4]={0};
u32 _pal_rev_16[64]={0};
u32 pal_rev_256[4]={0};
u32 pal_rev_16[64]={0};
u8 pvr_regs[pvr_RegSize];
u32 pvr_ReadReg(u32 addr)
{
return PvrReg(addr,u32);
}
void pvr_WriteReg(u32 paddr,u32 data)
{
u32 addr=paddr&pvr_RegMask;
if (addr==ID_addr)
return;//read only
if (addr==REVISION_addr)
return;//read only
if (addr==TA_YUV_TEX_CNT_addr)
return;//read only
if (addr==STARTRENDER_addr)
{
//start render
rend_start_render();
return;
}
if (addr==TA_LIST_INIT_addr)
{
if (data>>31)
{
ta_vtx_ListInit();
data=0;
}
}
if (addr==SOFTRESET_addr)
{
if (data!=0)
{
if (data&1)
ta_vtx_SoftReset();
data=0;
}
}
if (addr==TA_LIST_CONT_addr)
{
//a write of anything works ?
ta_vtx_ListCont();
}
if (addr == FB_R_CTRL_addr ||
addr == SPG_CONTROL_addr ||
addr == SPG_LOAD_addr)
{
PvrReg(addr,u32)=data;
CalculateSync();
return;
}
if (addr == TA_YUV_TEX_BASE_addr)
{
PvrReg(addr, u32) = data;
YUV_init();
return;
}
if (addr>=PALETTE_RAM_START_addr)
{
if (PvrReg(addr,u32)!=data)
{
u32 pal=(addr/4)&1023;
pal_needs_update=true;
_pal_rev_256[pal>>8]++;
_pal_rev_16[pal>>4]++;
}
}
if (addr>=FOG_TABLE_START_addr && addr<=FOG_TABLE_END_addr && PvrReg(addr,u32)!=data)
{
fog_needs_update=true;
}
PvrReg(addr,u32)=data;
}
void Regs_Reset(bool Manual)
{
ID = 0x17FD11DB;
REVISION = 0x00000011;
SOFTRESET = 0x00000007;
SPG_HBLANK_INT.full = 0x031D0000;
SPG_VBLANK_INT.full = 0x01500104;
FPU_PARAM_CFG = 0x0007DF77;
HALF_OFFSET = 0x00000007;
ISP_FEED_CFG = 0x00402000;
SDRAM_REFRESH = 0x00000020;
SDRAM_ARB_CFG = 0x0000001F;
SDRAM_CFG = 0x15F28997;
SPG_HBLANK.full = 0x007E0345;
SPG_LOAD.full = 0x01060359;
SPG_VBLANK.full = 0x01500104;
SPG_WIDTH.full = 0x07F1933F;
VO_CONTROL.full = 0x00000108;
VO_STARTX.full = 0x0000009D;
VO_STARTY.full = 0x00000015;
SCALER_CTL.full = 0x00000400;
FB_BURSTCTRL = 0x00090639;
PT_ALPHA_REF = 0x000000FF;
}