loicloic
154 lines
4.7 KiB
C++
154 lines
4.7 KiB
C++
/*
|
|
www.freedo.org
|
|
The first and only working 3DO multiplayer emulator.
|
|
|
|
The FreeDO licensed under modified GNU LGPL, with following notes:
|
|
|
|
* The owners and original authors of the FreeDO have full right to develop closed source derivative work.
|
|
* Any non-commercial uses of the FreeDO sources or any knowledge obtained by studying or reverse engineering
|
|
of the sources, or any other material published by FreeDO have to be accompanied with full credits.
|
|
* Any commercial uses of FreeDO sources or any knowledge obtained by studying or reverse engineering of the sources,
|
|
or any other material published by FreeDO is strictly forbidden without owners approval.
|
|
|
|
The above notes are taking precedence over GNU LGPL in conflicting situations.
|
|
|
|
Project authors:
|
|
|
|
Alexander Troosh
|
|
Maxim Grishin
|
|
Allen Wright
|
|
John Sammons
|
|
Felix Lazarev
|
|
*/
|
|
|
|
// SPORT.cpp: implementation of the SPORT class.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#include "freedoconfig.h"
|
|
#include "SPORT.h"
|
|
#include "arm.h"
|
|
#include <memory.h>
|
|
|
|
#include "freedocore.h"
|
|
|
|
extern _ext_Interface io_interface;
|
|
|
|
static unsigned int gSPORTCOLOR;
|
|
static unsigned int gSPORTSOURCE=0;
|
|
static unsigned int gSPORTDESTINATION=0;
|
|
static unsigned char* VRAM;
|
|
|
|
unsigned int _sport_SaveSize()
|
|
{
|
|
return 12;
|
|
}
|
|
void _sport_Save(void *buff)
|
|
{
|
|
((unsigned int*)buff)[0]=gSPORTCOLOR;
|
|
((unsigned int*)buff)[1]=gSPORTSOURCE;
|
|
((unsigned int*)buff)[2]=gSPORTDESTINATION;
|
|
}
|
|
void _sport_Load(void *buff)
|
|
{
|
|
gSPORTCOLOR=((unsigned int*)buff)[0];
|
|
gSPORTSOURCE=((unsigned int*)buff)[1];
|
|
gSPORTDESTINATION=((unsigned int*)buff)[2];
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// Construction/Destruction
|
|
//////////////////////////////////////////////////////////////////////
|
|
//static AString str;
|
|
|
|
void _sport_Init(unsigned char *vmem)
|
|
{
|
|
VRAM=vmem;
|
|
}
|
|
|
|
int __fastcall _sport_SetSource(unsigned int index) //take source for SPORT
|
|
{
|
|
gSPORTSOURCE=(index<<7);
|
|
return 0;
|
|
}
|
|
|
|
|
|
void __fastcall _sport_WriteAccess(unsigned int index, unsigned int mask)
|
|
{
|
|
int i;
|
|
unsigned int tmp,ctmp;
|
|
|
|
|
|
|
|
if((index & ~0x1FFF)==0x4000) //SPORT flash write
|
|
{
|
|
index&=0x7ff;
|
|
index<<=7;
|
|
if(mask == 0xFFFFffff)
|
|
{
|
|
for(i=0;i<512;i++)
|
|
{
|
|
((unsigned int*)VRAM)[index+i]=gSPORTCOLOR;
|
|
}
|
|
}
|
|
else // mask is not 0xFFFFffff
|
|
{
|
|
for(i=0;i<512;i++)
|
|
{
|
|
tmp=((unsigned int*)VRAM)[index+i];
|
|
tmp=((tmp^gSPORTCOLOR)&mask)^gSPORTCOLOR;
|
|
((unsigned int*)VRAM)[index+i]=tmp;
|
|
}
|
|
}
|
|
if(!RESSCALE)return;
|
|
memcpy(&((unsigned int*)VRAM)[index+1024*256], &((unsigned int*)VRAM)[index], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[index+2*1024*256], &((unsigned int*)VRAM)[index], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[index+3*1024*256], &((unsigned int*)VRAM)[index], 2048);
|
|
return;
|
|
}
|
|
|
|
|
|
if(!(index & ~0x1FFF)) //SPORT copy page
|
|
{
|
|
gSPORTDESTINATION=(index &0x7ff)<<7;
|
|
if(mask == 0xFFFFffff)
|
|
{
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION],&((unsigned int*)VRAM)[gSPORTSOURCE],512*4);
|
|
if(!RESSCALE)return;
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+1024*256], &((unsigned int*)VRAM)[gSPORTSOURCE+1024*256], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+2*1024*256], &((unsigned int*)VRAM)[gSPORTSOURCE+2*1024*256], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+3*1024*256], &((unsigned int*)VRAM)[gSPORTSOURCE+3*1024*256], 2048);
|
|
}
|
|
else // mask != 0xFFFFffff
|
|
{
|
|
for(i=0;i<512;i++)
|
|
{
|
|
tmp=((unsigned int*)VRAM)[gSPORTDESTINATION+i];
|
|
ctmp=((unsigned int*)VRAM)[gSPORTSOURCE+i];
|
|
tmp=((tmp^ctmp)&mask)^ctmp;
|
|
((unsigned int*)VRAM)[gSPORTDESTINATION+i]=tmp;
|
|
}
|
|
if(!RESSCALE)return;
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+1024*256], &((unsigned int*)VRAM)[gSPORTDESTINATION], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+2*1024*256], &((unsigned int*)VRAM)[gSPORTDESTINATION], 2048);
|
|
memcpy(&((unsigned int*)VRAM)[gSPORTDESTINATION+3*1024*256], &((unsigned int*)VRAM)[gSPORTDESTINATION], 2048);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if((index & ~0x1FFF)==0x2000) //SPORT set color!!!
|
|
{
|
|
gSPORTCOLOR=mask;
|
|
return;
|
|
}
|
|
|
|
// io_interface(EXT_DEBUG_PRINT,(void*)str.print("::::SPORT:::: Unknown write, Index=0x%8.8X, Mask=0x%8.8X",index, mask).CStr());
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|