SBSPSS/source/PsxBoot/psxboot.cpp

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2000-08-29 21:54:22 +02:00
#include <sys\types.h>
#include <libapi.h>
#include <libetc.h>
#include <libgte.h>
#include <libgpu.h>
#include <libcd.h>
#include <kernel.h>
#include <libspu.h>
#include <memory.h>
#include <libsnd.h>
#include <stdio.h>
#include "psxboot\PsxBoot.H"
#include "fileio\filetab.h"
#include "fileio\filetab.cpp"
#define PiracyFilename "\\PIRACY.GFX;1"
#define LegalFilename "\\LEGAL.GFX;1"
#define ScreenDelay 50*(5-2)
#define ExeFilename "\\PRLSR.BIN;1"
#define CHUNKSIZE 2048
#define PrgAddr 0x80010000
#define SCRATCH_RAM 0x1f800000
//#define DBGMsg printf
#define DBGMsg
/*******************************************************************************/
DB *CurDBuf,DBuf[2];
/*****************************************************************************/
static volatile int cdread_status=0;
static u_char current_cd_mode;
static int cd_speed=-1;//,buf_sec=-1;
static void cdread_callback(u_char intr, u_char *result)
{
if (intr==CdlComplete)
{
cdread_status=0;
}
else
if (intr==CdlDiskError)
{
cdread_status=-1;
}
else
{
cdread_status=-2;
}
}
/*****************************************************************************/
static void set_cd_speed(int speed)
{
if (speed!=cd_speed)
{
current_cd_mode=speed?CdlModeSpeed:0;
do { // Yuk!
while (CdControl(CdlSetmode,&current_cd_mode,0)==0);
} while (CdSync(0,NULL)!=CdlComplete);
VSync(5);
cd_speed=speed;
}
}
/*******************************************************************************/
void LoadFile(char *Filename,char *Dst,long Length)
{
CdlFILE RetFile;
int Len;
DBGMsg("Load %s\n",Filename);
while ( !CdSearchFile(&RetFile,(char *)Filename) ) DBGMsg("Not Found\n");
if(!Length)
Len=(RetFile.size);
else
Len=Length;
unsigned char mode=CdlModeSpeed;
DBGMsg("Found\n");
while (1)
{
set_cd_speed(1);
CdReadCallback(cdread_callback);
while ( (CdControlB(CdlSetloc,(u_char *)&RetFile.pos,NULL)==0) );
const unsigned long NumSectors=(unsigned long) (Len / CHUNKSIZE)+1;
cdread_status=1;
int OK=CdRead(NumSectors,(u_long *)Dst,current_cd_mode);
if (OK)
{
int C=0;
while(cdread_status>0)
{
C++;
}
if (cdread_status==0) break;
}
}
DrawSync(0);
CdReadCallback(0);
}
/*****************************************************************************/
/*** System Stuff ************************************************************/
/*****************************************************************************/
void InitSys(void)
{
int Count;
ResetCallback();
ResetGraph(0);
SetGraphDebug(0);
while (!CdInit());
// InitGeom();
CdSetDebug(0);
// SpuInit();
SsInit();
#if defined(__TERRITORY_USA__)
SetVideoMode(MODE_NTSC);
#else
SetVideoMode(MODE_PAL);
#endif
SetDefDrawEnv(&DBuf[0].draw, 0,0, FRAME_X, FRAME_Y);
SetDefDispEnv(&DBuf[0].disp, 0,0, FRAME_X, FRAME_Y);
SetDefDrawEnv(&DBuf[1].draw, 0,0, FRAME_X, FRAME_Y);
SetDefDispEnv(&DBuf[1].disp, 0,0, FRAME_X, FRAME_Y);
setRECT(&DBuf[0].disp.screen, SCREEN_X, SCREEN_Y, 0, FRAME_Y);
setRECT(&DBuf[1].disp.screen, SCREEN_X, SCREEN_Y, 0, FRAME_Y);
DBuf[0].disp.isrgb24=DBuf[1].disp.isrgb24=0;
DBuf[0].draw.isbg = DBuf[1].draw.isbg = 1;
CurDBuf=DBuf;
#if !defined(__TERRITORY_USA__)
DBuf[0].disp.screen.y=24;
DBuf[1].disp.screen.y=24;
#endif
// Stop flicker!!
Count=2;
while(Count--)
{
PutDrawEnv(&CurDBuf->draw);
PutDispEnv(&CurDBuf->disp);
DrawSync(0);
}
DBuf[0].draw.isbg = DBuf[1].draw.isbg = 0;
SetDispMask(1);
}
/*****************************************************************************/
void ShowScreen(char *Filename,int Delay,int FadeOutOnly)
{
u_long Count;
char Fade;
RECT PicRect;
POLY_FT4 fp,*Poly=&fp;
int *Ptr;
// Set up shade polys
// SetPolyFT4(Poly);
// setXYWH(Poly,0,0,SCR_WIDTH,SCR_HEIGHT);
// Poly->tpage=GetTPage(2,0,512,0);
// if (!FadeOutOnly)
{
setRECT(&PicRect,0,0,1024,512);
ClearImage(&PicRect,0,0,0);
// load Screen
LoadFile(Filename,(char*)LoadBuffer,FRAME_X * FRAME_Y*2);
setRECT(&PicRect,0,0,FRAME_X,FRAME_Y);
LoadImage(&PicRect,(u_long*)LoadBuffer);
// Fade in
Fade=0;
// while(Fade<128)
// {
// setRGB0(Poly,Fade,Fade,Fade);
// Fade+=2;
// DrawPrim(Poly);
// DrawSync(0);
// VSync(0);
// }
// Wait a while
// if (Delay<0) return;
// Count=Delay;
// while(Count--)
// {
// DrawSync(0);
// }
}
// Fade Out
// Fade=128;
// while(Fade>0)
// {
// setRGB0(&Poly[0],Fade,Fade,Fade);
// Fade-=2;
// DrawPrim(&Poly[0]);
// DrawPrim(&Poly[1]);
// DrawSync(0);
// }
//
DrawSync(0);
}
/*****************************************************************************/
void (*Func)()=(void (*)())0x80010000;
int main()
{
InitSys();
ShowScreen(LegalFilename,-1,0);
CalcFilePos((int*)SCRATCH_RAM);
int *Ptr=(int*)SCRATCH_RAM;
while (1)
{
int count = VSync( -1 );
LoadFile(ExeFilename,(char *)PrgAddr,0);
while ((VSync( -1 ) - count) < ScreenDelay);
RECT clearRect;
setRECT(&clearRect,0,0,1024,512);
// ClearImage(&clearRect,0,0,0);
// DrawSync(0);
// SetDispMask(0);
EnterCriticalSection();
FlushCache();
ExitCriticalSection();
StopCallback();
Func();
(((void(**)(void))PrgAddr)[0])();
}
return(0);
}