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palmport.c
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//bugs: fskip impares causan perdida de setcolors en emulacion
#include "palmdep.h"
#include "ljPRsc.h"
#include "App_Cst.h"
#include "Z\Z_good.h"
#include "palmport.h"
#include "Z\resource.h"
#include "Z\bg.h"
#include "Z\Z_window.h"
#include "Z\Z_good.h"
//#include "stdio.h"
//#include "stdlib.h"
#include "zlib.h"
#include "unzip.h"
/*************
/*tinus*/
#include "filters.h"
/*********/
#include "font.h"
#include "defs.h"
#include "regs.h"
#include "lcd.h"
#include "fb.h"
#include "input.h"
#include "rc.h"
#include "pcm.h"
#include "mem.h"
#include "hw.h"
#include "rtc.h"
#include "sound.h"
#include "save.h"
#include "PNOMain.h"
//#include "zodiac.h"
//#include "stat.h"
/*****************/
#include "LJZmenu.h"
/**************************/
extern UInt32 mStopEmulation;
extern UInt32 device_type;
UInt16 *fgbZ_zodvram;
uint16 *fgbZ_curRenderingScreenPtr;
uint32 fgbZ_curRenderingScreenIndex;
uint32 fgbZ_enabledSound,fgbZ_sndfreq;
uint32 fgbZ_renderingmode,fgbZ_smoothmode;
uint32 fgbZ_padState;
uint32 fgbZ_mGBPal=0;
int32 fgbZ_frameskipped,fgbZ_frameskip,fgbZ_fastforward;
int32 fgbZ_frameBeginTime;
int32 fgbZ_speedpct;
int32 fgbZ_autofireA,fgbZ_autofireB;
int32 fgbZ_flipping;
int32 fgbZ_framecount;
char CurrentROMFile[256];
char fgbZ_curVolume;
char shortrom_filename[256];
unsigned long fgbZ_romCrc;
int emu_running;
int framelimit_delay;
void state_save(int n);
int state_load(int n,int only_check);
char str_month[12][4]=
{"Jan","Feb","Mar","Apr","May","Jun",
"Jul","Aug","Sep","Oct","Nov","Dec"};
#define BLACK_COLOR 255
char g_string[255];
char szRomName[255];
extern UInt32 ljp_isLowRes,ljp_confirmOW,ljp_confirmSL;
extern char ljp_RomPath[256];
// Assertion Support
static void
assert_check(int error, const char* message)
{
if (error) {
ErrDisplayFileLineMsg("PalmOS", (UInt16) error, message);
}
}
#define xassert(error) {assert_check(error, #error);}
static void showError(const char* aWhat, Err aError) {
ErrDisplayFileLineMsg("oink", (UInt16) aError, aWhat);
}
#include "SoundMgr.h"
static SndStreamRef snd_stream=NULL;
Int32 snd_stream_vol;
typedef struct {uint32 __r9;uint32 __r10;} reg_sys_t;
static reg_sys_t reg_sys;
void fgbZ_pause(int pause);
int Z_KeyGet(void)
{
return fgbZ_padState;
}
void emu_resettimer(void) {
fgbZ_frameBeginTime=GetTickCount()+17*100/fgbZ_speedpct;
}
void fgbZ_togglesound(void) {
char tmp[64];
int i;
fgbZ_pause(1);
fgbZ_enabledSound++;
if (fgbZ_enabledSound>2) fgbZ_enabledSound=0;
if (fgbZ_enabledSound==0) strcpy(tmp,"Sound : OFF");
else if (fgbZ_enabledSound==1) strcpy(tmp,"Sound : SIM");
else if (fgbZ_enabledSound==2) strcpy(tmp,"Sound : ON");
menu_message(tmp);
LJP_WAIT(300);
emu_resettimer();
fgbZ_pause(0);
}
char fgbZ_reset(void) {
fgbZ_pause(1);
if (menu_confirm("Reset GB ?")) emu_reset();
emu_resettimer();
fgbZ_pause(0);
}
void fgbZ_quicksave(void) {
fgbZ_pause(1);
if (CONFIRM_SAVE) state_save(0);
emu_resettimer();
ClearScreen();
fgbZ_pause(0);
}
void fgbZ_quickload(void) {
fgbZ_pause(1);
if (state_load(0,1))
{
if (CONFIRM_LOAD) state_load(0,0);
emu_resettimer();
ClearScreen();
}
fgbZ_pause(0);
}
int init_video(void)
{
//Init vid
signed long val1,val2,val;
fgbZ_curRenderingScreenPtr=(uint16*)ljz_malloc(256*144*2);
memset(fgbZ_curRenderingScreenPtr,0,256*144*2);
FtrGet(CREATORID,FTR_OPT_SCREENMODE_ID,(unsigned long*)&val1);
FtrGet(CREATORID,FTR_OPT_SMOOTHING_ID,(unsigned long*)&val2);
fgbZ_renderingmode=val1;
fgbZ_smoothmode=val2;
/* if (val1==1) fgbZ_renderingmode=(val2?2:1);
else
if (val1==2) fgbZ_renderingmode=(val2?4:3);
else
fgbZ_renderingmode=(val2?6:5);*/
fgbZ_fastforward=0;
fgbZ_frameskipped=0;
FtrGet(CREATORID,FTR_OPT_FSKIP_ID,(unsigned long*)&val);
fgbZ_frameskip=val;
FtrGet(CREATORID,FTR_OPT_SOUNDVOLUME_ID,(unsigned long*)&val);
snd_stream_vol=val;
if (snd_stream_vol<0) snd_stream_vol=0;
if (snd_stream_vol>128) snd_stream_vol=128;
snd_stream_vol*=16;
//tinnus
filters_init();
return 0;
}
struct fb fb;
int dummy_align1;
byte dummy_hq2x_stuff1[160*3*2];
byte vidram[160*144*2];
byte dummy_hq2x_stuff2[160*3*2];
void vid_preinit(void) {}
void vid_init(void)
{
fb.w = 160;
fb.h = 144;
fb.pelsize = 2;
fb.pitch = 160*2;
fb.ptr = (unsigned char *)&vidram[0]; //0x0C7B4000;
fb.enabled = 1;
fb.dirty = 1; ///1????
fb.yuv = 0;
fb.indexed = 0;
fb.cc[0].l = 11; fb.cc[0].r = 3;
fb.cc[1].l = 5; fb.cc[1].r = 2;
fb.cc[2].l = 0; fb.cc[2].r = 3;
}
void vid_begin(void)
{
fgbZ_framecount++;
}
int tick=0;
int frames_rendered=0,frames_displayed=0;
char fps_string[64];
void fgbZ_asmfastrender(byte *screen,byte *source,UInt32 offset_pitch)
{
__asm{
stmfd r13!,{r3-r12}
mov r3,#144
bic r0,r0,#3
bic r1,r1,#3
loopY:
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r4-r12}
stmia r0!,{r4-r12}
ldmia r1!,{r5-r12}
stmia r0!,{r5-r12}
add r0,r0,r2 //(256-160) * 2
subs r3,r3,#1
bne loopY
ldmfd r13!,{r3-r12}
}
}
void fgbZ_asmfastrenderx2(byte *screen,byte *source,UInt32 offset_pitch)
{
__asm{
#define asm_mac() \
mov r5,r4,lsr #16;\
mov r4,r4,lsl #16;\
orr r5,r5,r5,lsl #16;\
orr r4,r4,r4,lsr #16;\
mov r7,r6,lsr #16;\
mov r6,r6,lsl #16;\
orr r7,r7,r7,lsl #16;\
orr r6,r6,r6,lsr #16;\
mov r9,r8,lsr #16;\
mov r8,r8,lsl #16;\
orr r9,r9,r9,lsl #16;\
orr r8,r8,r8,lsr #16;\
mov r11,r10,lsr #16;\
mov r10,r10,lsl #16;\
orr r11,r11,r11,lsl #16;\
orr r10,r10,r10,lsr #16;
stmfd r13!,{r3-r12}
mov r3,#144
bic r0,r0,#3
bic r1,r1,#3
add r12,r0,r2
mov r2,r2,lsl #1
sub r2,r2,#640
loopY:
ldmia r1!,{r4,r6,r8,r10} //read 4*4/2=8pixels
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
ldmia r1!,{r4,r6,r8,r10}
asm_mac()
stmia r0!,{r4-r11}
stmia r12!,{r4-r11}
#undef asm_mac
add r0,r0,r2 //(256-160) * 2
add r12,r12,r2 //(256-160) * 2
subs r3,r3,#1
bne loopY
ldmfd r13!,{r3-r12}
}
}
int Do_Nothing(void)
{
int j=0;
j+=1;
return j;
}
void vid_end(void)
{
if (fb.enabled)
{
UInt16 *fline, *tline;
UInt16 *f, *t, *tline2, *t2;
int x,y;
Int32 offset;
fline = (UInt16*)vidram;
/* for ( y = 0; y < 144; y++ )
{
f = fline;
t = tline;
for ( x = 0; x < 160; x++ )
{
*t++ = *f++;
}
fline += 160;
tline += display_pitch;
}*/
switch (fgbZ_renderingmode)
{
case 3:
case 1:
offset = ( ((display_height-288-(fgbZ_renderingmode<2?BELTBAR_SIZE:0))>>1) * display_pitch ) + ((display_width-320)>>1);
if (offset < 0) offset = 0; else if (offset >= (display_height * display_pitch)) offset = (display_height - 1) * display_pitch + ((display_width-320)>>1);
tline = ((UInt16*) g_pnobridge -> vram) + offset;
switch (fgbZ_smoothmode&_SMOOTH_MASK_){
case 8:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,SCANLINES_TV,160,144,320,288);
break;
case 7:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,SCALE_2XSAI,160,144,320,288);
break;
case 6:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,SUPER_EAGLE,160,144,320,288);
break;
case 5:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,SUPER_2XSAI,160,144,320,288);
break;
case 4:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,_2XSAI,160,144,320,288);
break;
case 3:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,HQ2X,160,144,320,288);
break;
case 2:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,LQ2X,160,144,320,288);
break;
case 1:fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,ADVMAME2X,160,144,320,288);
break;
case 0:
if (device_type&BF_ZODIAC){
if (fgbZ_smoothmode&_ZOD_SMOOTHING_) {
tline = ((UInt16*) fgbZ_zodvram);
fgbZ_asmfastrender((uint8*)tline,(uint8*)fline,(480-160)<<1);
stubzodiacblit(3,160,144,6);
break;
}
else if (!fgbZ_smoothmode) {
tline = ((UInt16*) fgbZ_zodvram);
fgbZ_asmfastrender((uint8*)tline,(uint8*)fline,(480-160)<<1);
stubzodiacblit(3,160,144,2);
break;
}
}
else fgbZ_asmfastrenderx2((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1));
break;
}
break;
case 2:
case 0:
offset = ( ((display_height-144-(fgbZ_renderingmode<2?BELTBAR_SIZE:0))>>1) * display_pitch ) + ((display_width-160)>>1);
if (offset < 0) offset = 0; else if (offset >= (display_height * display_pitch)) offset = (display_height - 1) * display_pitch + ((display_width-160)>>1);
tline = ((UInt16*) g_pnobridge -> vram) + offset;
fgbZ_asmfastrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch-160)<<1));
break;
case 4:
if (device_type&BF_ZODIAC){
if (fgbZ_smoothmode&_ZOD_SMOOTHING_) {
tline = ((UInt16*) fgbZ_zodvram);
fgbZ_asmfastrender((uint8*)tline,(uint8*)fline,(480-160)<<1);
stubzodiacblit(3,160,144,5);
break;
}
else if (!fgbZ_smoothmode) {
tline = ((UInt16*) fgbZ_zodvram);
fgbZ_asmfastrender((uint8*)tline,(uint8*)fline,(480-160)<<1);
stubzodiacblit(3,160,144,1);
break;
}
}
if (device_type&BF_HIRESPLUS)
{
offset = ( ((display_height-320)>>1) * display_pitch ) + ((display_width-480)>>1);
if (offset < 0) offset = 0; else if (offset >= (display_height * display_pitch)) offset = (display_height - 1) * display_pitch + ((display_width-480)>>1);
tline = ((UInt16*) g_pnobridge -> vram) + offset;
if (fgbZ_smoothmode) fgbZ_filterrender((UInt8*)tline,(UInt8*)fline,(UInt32)((display_pitch)<<1),160*2,SCALE_2XSAI,160,144,480,320/*-BELTBAR_SIZE*/);
}
else
{
Sys_PrintF2("Wrong Screenmode!!!");
}
break;
}
}
frames_displayed++;
fgbZ_frameBeginTime+=17*100/fgbZ_speedpct; //60Hz
if ((fgbZ_frameskip==AUTO_FSKIP)&&(!fgbZ_fastforward))
{
int i,haswaited=0;
//do avoid issue when Tick is looping
if ((int32)(fgbZ_frameBeginTime-GetTickCount())>=(int32)(10*17))
fgbZ_frameBeginTime=GetTickCount()+17;
while (GetTickCount()<=fgbZ_frameBeginTime) haswaited=1;
// i=fgbZ_frameBeginTime-GetTickCount()+1;
// if (i>0) {haswaited=1; SysTaskDelay(i);}
if (haswaited||(fgbZ_frameskipped>=MAX_FRAME_SKIPPED))
{
fb.enabled=1;
fgbZ_frameskipped=0;
}
else
{
fb.enabled=0;
fgbZ_frameskipped++;
}
}
else
{
if (fgbZ_frameskip==SKEEZIX_FSKIP) fgbZ_frameskipped=SKEEZIX_FSKIP;
fgbZ_frameskipped++;
if (fgbZ_fastforward)
{
if (fgbZ_frameskipped>FGBZ_TURBOFSKIP)
{
fgbZ_frameskipped=0;
fb.enabled=1;
}
else fb.enabled=0;
}
else
{
if (fgbZ_frameskipped>fgbZ_frameskip)
{
fgbZ_frameskipped=0;
fb.enabled=1;
int i,haswaited;
//do avoid issue when Tick is looping
if ((int32)(fgbZ_frameBeginTime-GetTickCount())>=(int32)(10*17))
fgbZ_frameBeginTime=GetTickCount()+17;
while (GetTickCount()<=fgbZ_frameBeginTime) haswaited=1;
// i=fgbZ_frameBeginTime-GetTickCount()+1;
// if (i>0) {SysTaskDelay(i);}
}
else
{
int i;
fb.enabled=0;
if ((int32)(fgbZ_frameBeginTime-GetTickCount())>=(int32)(10*17))
fgbZ_frameBeginTime=GetTickCount()+17;
if (fgbZ_enabledSound==2)
{
while (GetTickCount()<=fgbZ_frameBeginTime) ;
// i=fgbZ_frameBeginTime-GetTickCount()+1;
// if (i>0) {SysTaskDelay(i);}
}
}
}
}
}
void vid_close(void) {}
void vid_settitle(void) {}
int monopal_backup[256];
void vid_setpal(int i, int r, int g, int b)
{
/*if (i>=253) return;
if (hw.cgb) SetColor(i,r,g,b);
else {
switch(fgbZ_mGBPal)
{
case 0: SetColor(i,g/2,g,0);break; //green
case 1: SetColor(i,g*3/4,g,0);break; //lime
case 2: SetColor(i,g,g,0);break; //yellow
case 3: SetColor(i,g,g,g);break; //gray
case 4: SetColor(i,0,g*3/4,g);break; //indigo
}
monopal_backup[i]=g;
}*/
}
void ev_poll(void)
{
int Key=Z_KeyGet();
hw.pad=0;
if(Key&KEY_UP) hw.pad|=PAD_UP;
if(Key&KEY_DOWN) hw.pad|=PAD_DOWN;
if(Key&KEY_LEFT) hw.pad|=PAD_LEFT;
if(Key&KEY_RIGHT) hw.pad|=PAD_RIGHT;
if(Key&KEY_A)
{
switch (fgbZ_autofireA)
{
case 0:hw.pad|=PAD_A; break;
case 1:
if ((fgbZ_framecount&31)>15) hw.pad|=PAD_A;
break;
case 2:
if ((fgbZ_framecount&15)>7) hw.pad|=PAD_A;
break;
case 3:
if ((fgbZ_framecount&7)>3) hw.pad|=PAD_A;
break;
}
}
if(Key&KEY_B)
{
switch (fgbZ_autofireB)
{
case 0:hw.pad|=PAD_B; break;
case 1:
if ((fgbZ_framecount&31)>15) hw.pad|=PAD_B;
break;
case 2:
if ((fgbZ_framecount&15)>7) hw.pad|=PAD_B;
break;
case 3:
if ((fgbZ_framecount&7)>3) hw.pad|=PAD_B;
break;
}
}
if(Key&KEY_SELECT) hw.pad|=PAD_SELECT;
if(Key&KEY_START) hw.pad|=PAD_START;
pad_refresh();
}
void GetInfo(byte *header)
{
}
rcvar_t vid_exports[] =
{
RCV_END
};
rcvar_t joy_exports[] =
{
RCV_END
};
struct pcm pcm;
rcvar_t pcm_exports[] =
{
RCV_END
};
static Err fgbZ_sndCallBack (void *userData,SndStreamRef stream, void *bufferZ,UInt32 frameCountZ)
{
__asm
{
stmfd r13!,{r9,r10}
ldr r9,[r0]
ldr r10,[r0,#4]
}
sound_mix(bufferZ,frameCountZ);
__asm
{
ldmfd r13!,{r9,r10}
}
return errNone;
}
void pcm_init(void)
{
__asm
{
ldr r0, = reg_sys
add r0,r0,r10
str r9,[r0]
str r10,[r0,#4]
}
/*if (fgbZ_enabledSound) */
pcm.hz = fgbZ_sndfreq;
pcm.stereo = 1;
pcm.len = 512;//22050/60;
pcm.buf = NULL;//ljz_malloc(pcm.len);
pcm.pos = 0;
//memset(pcm.buf, 0, pcm.len);
/* sndbuf.freq=PCM_M22;
sndbuf.format=PCM_8BIT;
sndbuf.samples=22050/60;
sndbuf.userdata=NULL;
sndbuf.callback=audio_callback;
sndbuf.pollfreq=100;*/
}
int pcm_submit()
{
if (!pcm.buf) return 0;
if (pcm.pos < pcm.len) return 1;
pcm.pos = 0;
return 1;
}
void pcm_close(void)
{
fgbZ_pause(1);
}
extern char *romfile;
byte *loadfile(FILE *fp, int *len)
{
byte *d;
long romsize;
char str[256];
FILE *f;
char gb_file[256];
char ext[5];
int err_code;
unzFile zip_file = 0;
unz_file_info unzinfo;
char *pext;
char *p,*pp;
pext = (char*)strchr(romfile, '.');
while (p = (char *)strchr(pext+1, '.'))
{
pext=p;
}
if (pext) strncpy(ext, pext, sizeof(ext));
strlwr(ext);
if (StrCompare(ext, ".zip") == 0)
{
zip_file = unzOpen(romfile);
if (!zip_file) return NULL;
unzGoToFirstFile (zip_file);
for (;;)
{
if (unzGetCurrentFileInfo(zip_file, &unzinfo, gb_file, sizeof(gb_file), NULL, NULL, NULL, NULL) != UNZ_OK) return NULL;
strlwr(gb_file);
p = (char *)strchr(gb_file, '.');
while (pp = (char *)strchr(p+1, '.'))
{
p=pp;
}
if (strcmp(p, ".gb") == 0) break;
if (strcmp(p, ".gbc") == 0) break;
if (strcmp(p, ".sgb") == 0) break;
if (unzGoToNextFile(zip_file) != UNZ_OK) return NULL;
}
unzOpenCurrentFile (zip_file);
romsize = unzinfo.uncompressed_size;
/*d=(uint8 *)ljz_malloc(romsize);*/
FtrPtrNew(CREATORID, FTR_ROM_ID, romsize , (void **)&d);
/*unzReadCurrentFile(zip_file, d, romsize); */
if (d)
{
uint8 *ptmp;
ptmp=(uint8*)ljz_malloc(65536);
uint32 l=romsize;
uint32 o=0;
while (l)
{
if (l>65536)
{
unzReadCurrentFile(zip_file,(void*)(ptmp), 65536);
DmWrite(d,o,ptmp,65536);
l-=65536;
o+=65536;
}
else
{
unzReadCurrentFile(zip_file,(void*)(ptmp), l);
DmWrite(d,o,ptmp,l);
l=0;
}
}
ljz_free(ptmp);
}
unzCloseCurrentFile (zip_file);
unzClose (zip_file);
}
else
{
f=fopen(romfile,"rb");
if (!f) {
//GpTextOut(NULL,&gpDraw[nflip],160,10,(char*)"File access error",0xe0);
// DrawMessage("error at opening",1);
menu_message("error at opening");menu_waitPen(NULL,NULL,1);
return NULL;
}
fseek(f,0,SEEK_END); //bug in palmos until now...
romsize=ftell(f);
fseek(f,0,SEEK_SET);
//d=(byte *)ljz_malloc(romsize);
FtrPtrNew(CREATORID, FTR_ROM_ID, romsize , (void **)&d);
if (d)
{
/* Read file data */
uint8 *ptmp;
ptmp=(uint8*)ljz_malloc(65536);
int32 l,FileSize=0;
while (1)
{
l=fread (ptmp, 1, 65536, f);
if (l>=0)
{
DmWrite(d,FileSize,ptmp,l);
FileSize+=l;
}
if (l<65536) break;
}
ljz_free(ptmp);
}
else
{
fclose(f);
return NULL;
}
fclose(f);
}
*len=romsize;
return d;
}
int sram_load()
{
if (!mbc.batt) return -1;
/* Consider sram loaded at this point, even if file doesn't exist */
ram.loaded = 1;
char savename[255],result[256];
byte i=0,j=255,k=255,l=255;
char chaine[256];
FILE *f;
i=0;
j=255;
k=-1;
while (CurrentROMFile[i]!=0)
{
if (CurrentROMFile[i]=='.') j=i;
if (CurrentROMFile[i]=='/') k=i;
if (CurrentROMFile[i]=='\\') k=i;
i++;
}
if (j==255) j=i; //pas d'extension
memcpy(result,CurrentROMFile+k+1,j+1-k-1);
result[j+1-k-1]=0;
strcat(result,"srm");
sprintf(savename,"%02d:%s%s", fgbZ_curVolume, FGBZ_SAVESDIR, result);
/*
strcpy(savename,FGBZ_SAVESDIR);
strcat(savename,result);
savename[0]=fgbZ_curVolume+'0';
*/
f=fopen(savename,"rb");
if (f)
{
fread((void *)&ram.sbank[0],8192*mbc.ramsize,1,f);
fclose(f);
// DEBUGS("sram loaded");
}
else
{
//sprintf(chaine,"Cannot open %s for loading\n",savename);
// DEBUGS("cannot open");
// DEBUGS(savename);
// DrawMessage(chaine,1);
//menu_message(chaine);menu_waitPen(NULL,NULL,1);
}
return 0;
}
int sram_save()
{
/* If we crash before we ever loaded sram, DO NOT SAVE! */
if (!mbc.batt || !ram.loaded || !mbc.ramsize) return -1;
if (!mbc.batt) return -1;
/* Consider sram loaded at this point, even if file doesn't exist */
ram.loaded = 1;
char savename[255],result[256];
byte i=0,j=255,k=255,l=255;
char chaine[256];
FILE *f;
i=0;
j=255;
k=-1;
while (CurrentROMFile[i]!=0)
{
if (CurrentROMFile[i]=='.') j=i;
if (CurrentROMFile[i]=='/') k=i;
if (CurrentROMFile[i]=='\\') k=i;
i++;
}
if (j==255) j=i; //pas d'extension
memcpy(result,CurrentROMFile+k+1,j+1-k-1);
result[j+1-k-1]=0;
strcat(result,"srm");
sprintf(savename,"%02d:%s%s", fgbZ_curVolume, FGBZ_SAVESDIR, result);
/*
strcpy(savename,FGBZ_SAVESDIR);
strcat(savename,result);
savename[0]=fgbZ_curVolume+'0';
*/
f=fopen(savename,"w+b");
if (f)
{