static void C68k_Load_State(c68k_struc *mcpu, FILE * fp)
{
IOCheck_struct check = { 0, 0 };
int i = 0;
u32 pc = 0;
for (i = 0; i < 8; i++)
yread(&check, (void *)&mcpu->D[i], sizeof(u32), 1, fp);
for (i = 0; i < 8; i++)
yread(&check, (void *)&mcpu->A[i], sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_C, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_V, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_notZ, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_N, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_X, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_I, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->flag_S, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->USP, sizeof(u32), 1, fp);
yread(&check, (void *)&pc, sizeof(u32), 1, fp);
C68k_Set_PC(&C68K, pc);
yread(&check, (void *)&mcpu->Status, sizeof(u32), 1, fp);
yread(&check, (void *)&mcpu->IRQLine, sizeof(s32), 1, fp);
yread(&check, (void *)&mcpu->CycleToDo, sizeof(s32), 1, fp);
yread(&check, (void *)&mcpu->CycleIO, sizeof(s32), 1, fp);
yread(&check, (void *)&mcpu->CycleSup, sizeof(s32), 1, fp);
yread(&check, (void *)&mcpu->dirty1, sizeof(u32), 1, fp);
}
int YabLoadStateStream(FILE *fp)
{
char id[3];
u8 endian;
int headerversion, version, size, chunksize, headersize;
IOCheck_struct check;
u8* buf;
int totalsize;
int outputwidth;
int outputheight;
int curroutputwidth;
int curroutputheight;
int movieposition;
int temp;
u32 temp32;
headersize = 0xC;
check.done = 0;
check.size = 0;
// Read signature
yread(&check, (void *)id, 1, 3, fp);
if (strncmp(id, "YSS", 3) != 0)
{
return -2;
}
// Read header
yread(&check, (void *)&endian, 1, 1, fp);
yread(&check, (void *)&headerversion, 4, 1, fp);
yread(&check, (void *)&size, 4, 1, fp);
switch(headerversion)
{
case 1:
/* This is the "original" version of the format */
break;
case 2:
/* version 2 adds video recording */
yread(&check, (void *)&framecounter, 4, 1, fp);
movieposition=ftell(fp);
yread(&check, (void *)&movieposition, 4, 1, fp);
headersize = 0x14;
break;
default:
/* we're trying to open a save state using a future version
* of the YSS format, that won't work, sorry :) */
return -3;
break;
}
#ifdef WORDS_BIGENDIAN
if (endian == 1)
#else
if (endian == 0)
#endif
{
// should setup reading so it's byte-swapped
YabSetError(YAB_ERR_OTHER, (void *)"Load State byteswapping not supported");
return -3;
}
// Make sure size variable matches actual size minus header
fseek(fp, 0, SEEK_END);
if (size != (ftell(fp) - headersize))
{
return -2;
}
fseek(fp, headersize, SEEK_SET);
// Verify version here
ScspMuteAudio(SCSP_MUTE_SYSTEM);
if (StateCheckRetrieveHeader(fp, "CART", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
CartLoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "CS2 ", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
Cs2LoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "MSH2", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
SH2LoadState(MSH2, fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "SSH2", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
SH2LoadState(SSH2, fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "SCSP", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
SoundLoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "SCU ", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
ScuLoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "SMPC", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
SmpcLoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "VDP1", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
Vdp1LoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "VDP2", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
Vdp2LoadState(fp, version, chunksize);
if (StateCheckRetrieveHeader(fp, "OTHR", &version, &chunksize) != 0)
{
// Revert back to old state here
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
return -3;
}
// Other data
yread(&check, (void *)BupRam, 0x10000, 1, fp);
yread(&check, (void *)HighWram, 0x100000, 1, fp);
yread(&check, (void *)LowWram, 0x100000, 1, fp);
yread(&check, (void *)&yabsys.DecilineCount, sizeof(int), 1, fp);
yread(&check, (void *)&yabsys.LineCount, sizeof(int), 1, fp);
yread(&check, (void *)&yabsys.VBlankLineCount, sizeof(int), 1, fp);
yread(&check, (void *)&yabsys.MaxLineCount, sizeof(int), 1, fp);
yread(&check, (void *)&temp, sizeof(int), 1, fp);
yread(&check, (void *)&temp, sizeof(int), 1, fp);
yread(&check, (void *)&temp32, sizeof(u32), 1, fp);
yread(&check, (void *)&yabsys.CurSH2FreqType, sizeof(int), 1, fp);
yread(&check, (void *)&yabsys.IsPal, sizeof(int), 1, fp);
YabauseChangeTiming(yabsys.CurSH2FreqType);
yabsys.UsecFrac = (temp32 << YABSYS_TIMING_BITS) * temp / 10;
if (headerversion > 1) {
yread(&check, (void *)&outputwidth, sizeof(outputwidth), 1, fp);
yread(&check, (void *)&outputheight, sizeof(outputheight), 1, fp);
totalsize=outputwidth * outputheight * sizeof(u32);
if ((buf = (u8 *)malloc(totalsize)) == NULL)
{
return -2;
}
yread(&check, (void *)buf, totalsize, 1, fp);
YuiSwapBuffers();
#ifdef USE_OPENGL
if(VIDCore->id == VIDCORE_SOFT)
glRasterPos2i(0, outputheight);
if(VIDCore->id == VIDCORE_OGL)
glRasterPos2i(0, outputheight/2);
#endif
VIDCore->GetGlSize(&curroutputwidth, &curroutputheight);
#ifdef USE_OPENGL
glPixelZoom((float)curroutputwidth / (float)outputwidth, ((float)curroutputheight / (float)outputheight));
glDrawPixels(outputwidth, outputheight, GL_RGBA, GL_UNSIGNED_BYTE, buf);
#endif
YuiSwapBuffers();
free(buf);
fseek(fp, movieposition, SEEK_SET);
MovieReadState(fp);
}
ScspUnMuteAudio(SCSP_MUTE_SYSTEM);
OSDPushMessage(OSDMSG_STATUS, 150, "STATE LOADED");
return 0;
}
