X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fstate.c;h=f9a7f839f63177aedd80bde33df692746b92d1dc;hb=cfae1ae17956a94d7deae336ce6b9571b3f825f1;hp=cb340695eaa1e7724d28c7482b7fe79d92d03ef3;hpb=cff531af94bd9c9c89ae162e80f48ddc26a4e504;p=picodrive.git

diff --git a/pico/state.c b/pico/state.c
index cb34069..f9a7f83 100644
--- a/pico/state.c
+++ b/pico/state.c
@@ -11,15 +11,11 @@
 
 #include "../cpu/sh2/sh2.h"
 #include "sound/ym2612.h"
+#include "state.h"
 
 // sn76496
 extern int *sn76496_regs;
 
-typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);
-typedef size_t (areaeof)(void *file);
-typedef int    (areaseek)(void *file, long offset, int whence);
-typedef int    (areaclose)(void *file);
-
 static arearw    *areaRead;
 static arearw    *areaWrite;
 static areaeof   *areaEof;
@@ -174,12 +170,17 @@ typedef enum {
   CHUNK_SDRAM,
   CHUNK_DRAM,
   CHUNK_32XPAL,
+  CHUNK_32X_EVT,
+  CHUNK_32X_FIRST = CHUNK_MSH2,
+  CHUNK_32X_LAST = CHUNK_32X_EVT,
+  // add new stuff here
+  CHUNK_CD_EVT = 50,
   //
   CHUNK_DEFAULT_COUNT,
-  CHUNK_CARTHW_ = CHUNK_CARTHW,  // defined in PicoInt
+  CHUNK_CARTHW_ = CHUNK_CARTHW,  // 64 (defined in PicoInt)
 } chunk_name_e;
 
-static const char * const chunk_names[] = {
+static const char * const chunk_names[CHUNK_DEFAULT_COUNT] = {
   "INVALID!",
   "M68K state",
   "RAM",
@@ -222,6 +223,7 @@ static const char * const chunk_names[] = {
   "SDRAM",
   "DRAM",
   "PAL",
+  "events",
 };
 
 static int write_chunk(chunk_name_e name, int len, void *data, void *file)
@@ -235,7 +237,7 @@ static int write_chunk(chunk_name_e name, int len, void *data, void *file)
 }
 
 #define CHECKED_WRITE(name,len,data) { \
-  if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) { \
+  if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT && chunk_names[name]) { \
     strncpy(sbuff + 9, chunk_names[name], sizeof(sbuff) - 9); \
     PicoStateProgressCB(sbuff); \
   } \
@@ -243,7 +245,7 @@ static int write_chunk(chunk_name_e name, int len, void *data, void *file)
 }
 
 #define CHECKED_WRITE_BUFF(name,buff) { \
-  if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) { \
+  if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT && chunk_names[name]) { \
     strncpy(sbuff + 9, chunk_names[name], sizeof(sbuff) - 9); \
     PicoStateProgressCB(sbuff); \
   } \
@@ -290,7 +292,8 @@ static int state_save(void *file)
     SekPackCpu(buff, 1);
     if (Pico_mcd->s68k_regs[3] & 4) // 1M mode?
       wram_1M_to_2M(Pico_mcd->word_ram2M);
-    Pico_mcd->m.hint_vector = *(unsigned short *)(Pico_mcd->bios + 0x72);
+    memcpy(&Pico_mcd->m.hint_vector, Pico_mcd->bios + 0x72,
+      sizeof(Pico_mcd->m.hint_vector));
 
     CHECKED_WRITE_BUFF(CHUNK_S68K,     buff);
     CHECKED_WRITE_BUFF(CHUNK_PRG_RAM,  Pico_mcd->prg_ram);
@@ -304,6 +307,9 @@ static int state_save(void *file)
     CHECKED_WRITE_BUFF(CHUNK_SCD,      Pico_mcd->scd);
     CHECKED_WRITE_BUFF(CHUNK_RC,       Pico_mcd->rot_comp);
     CHECKED_WRITE_BUFF(CHUNK_MISC_CD,  Pico_mcd->m);
+    memset(buff, 0, 0x40);
+    memcpy(buff, pcd_event_times, sizeof(pcd_event_times));
+    CHECKED_WRITE(CHUNK_CD_EVT, 0x40, buff);
 
     if (Pico_mcd->s68k_regs[3] & 4) // convert back
       wram_2M_to_1M(Pico_mcd->word_ram2M);
@@ -318,13 +324,13 @@ static int state_save(void *file)
 
     sh2_pack(&sh2s[0], cpubuff);
     CHECKED_WRITE_BUFF(CHUNK_MSH2,      cpubuff);
-    CHECKED_WRITE_BUFF(CHUNK_MSH2_DATA, Pico32xMem->data_array[0]);
-    CHECKED_WRITE_BUFF(CHUNK_MSH2_PERI, Pico32xMem->sh2_peri_regs[0]);
+    CHECKED_WRITE_BUFF(CHUNK_MSH2_DATA, sh2s[0].data_array);
+    CHECKED_WRITE_BUFF(CHUNK_MSH2_PERI, sh2s[0].peri_regs);
 
     sh2_pack(&sh2s[1], cpubuff);
     CHECKED_WRITE_BUFF(CHUNK_SSH2,      cpubuff);
-    CHECKED_WRITE_BUFF(CHUNK_SSH2_DATA, Pico32xMem->data_array[1]);
-    CHECKED_WRITE_BUFF(CHUNK_SSH2_PERI, Pico32xMem->sh2_peri_regs[1]);
+    CHECKED_WRITE_BUFF(CHUNK_SSH2_DATA, sh2s[1].data_array);
+    CHECKED_WRITE_BUFF(CHUNK_SSH2_PERI, sh2s[1].peri_regs);
 
     CHECKED_WRITE_BUFF(CHUNK_32XSYS,    Pico32x);
     CHECKED_WRITE_BUFF(CHUNK_M68K_BIOS, Pico32xMem->m68k_rom);
@@ -333,6 +339,10 @@ static int state_save(void *file)
     CHECKED_WRITE_BUFF(CHUNK_SDRAM,     Pico32xMem->sdram);
     CHECKED_WRITE_BUFF(CHUNK_DRAM,      Pico32xMem->dram);
     CHECKED_WRITE_BUFF(CHUNK_32XPAL,    Pico32xMem->pal);
+
+    memset(buff, 0, 0x40);
+    memcpy(buff, p32x_event_times, sizeof(p32x_event_times));
+    CHECKED_WRITE(CHUNK_32X_EVT, 0x40, buff);
   }
 #endif
 
@@ -382,6 +392,7 @@ static int state_load(void *file)
   unsigned char buff_m68k[0x60], buff_s68k[0x60];
   unsigned char buff_z80[Z80_STATE_SIZE];
   unsigned char buff_sh2[SH2_STATE_SIZE];
+  unsigned char buff[0x40];
   unsigned char chunk;
   void *ym2612_regs;
   char header[8];
@@ -397,6 +408,9 @@ static int state_load(void *file)
     R_ERROR_RETURN("bad header");
   CHECKED_READ(4, &ver);
 
+  memset(pcd_event_times, 0, sizeof(pcd_event_times));
+  memset(p32x_event_times, 0, sizeof(p32x_event_times));
+
   while (!areaEof(file))
   {
     CHECKED_READ(1, &chunk);
@@ -404,8 +418,8 @@ static int state_load(void *file)
     if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length");
     if (CHUNK_S68K <= chunk && chunk <= CHUNK_MISC_CD && !(PicoAHW & PAHW_MCD))
       R_ERROR_RETURN("cd chunk in non CD state?");
-    if (CHUNK_MSH2 <= chunk && chunk <= CHUNK_32XPAL && !(PicoAHW & PAHW_32X))
-      R_ERROR_RETURN("32x chunk in non 32x state?");
+    if (CHUNK_32X_FIRST <= chunk && chunk <= CHUNK_32X_LAST && !(PicoAHW & PAHW_32X))
+      Pico32xStartup();
 
     switch (chunk)
     {
@@ -453,6 +467,11 @@ static int state_load(void *file)
       case CHUNK_RC:       CHECKED_READ_BUFF(Pico_mcd->rot_comp); break;
       case CHUNK_MISC_CD:  CHECKED_READ_BUFF(Pico_mcd->m); break;
 
+      case CHUNK_CD_EVT:
+        CHECKED_READ_BUFF(buff);
+        memcpy(pcd_event_times, buff, sizeof(pcd_event_times));
+        break;
+
       // 32x stuff
 #ifndef NO_32X
       case CHUNK_MSH2:
@@ -465,10 +484,10 @@ static int state_load(void *file)
         sh2_unpack(&sh2s[1], buff_sh2);
         break;
 
-      case CHUNK_MSH2_DATA:   CHECKED_READ_BUFF(Pico32xMem->data_array[0]); break;
-      case CHUNK_MSH2_PERI:   CHECKED_READ_BUFF(Pico32xMem->sh2_peri_regs[0]); break;
-      case CHUNK_SSH2_DATA:   CHECKED_READ_BUFF(Pico32xMem->data_array[1]); break;
-      case CHUNK_SSH2_PERI:   CHECKED_READ_BUFF(Pico32xMem->sh2_peri_regs[1]); break;
+      case CHUNK_MSH2_DATA:   CHECKED_READ_BUFF(sh2s[0].data_array); break;
+      case CHUNK_MSH2_PERI:   CHECKED_READ_BUFF(sh2s[0].peri_regs); break;
+      case CHUNK_SSH2_DATA:   CHECKED_READ_BUFF(sh2s[1].data_array); break;
+      case CHUNK_SSH2_PERI:   CHECKED_READ_BUFF(sh2s[1].peri_regs); break;
       case CHUNK_32XSYS:      CHECKED_READ_BUFF(Pico32x); break;
       case CHUNK_M68K_BIOS:   CHECKED_READ_BUFF(Pico32xMem->m68k_rom); break;
       case CHUNK_MSH2_BIOS:   CHECKED_READ_BUFF(Pico32xMem->sh2_rom_m); break;
@@ -476,6 +495,11 @@ static int state_load(void *file)
       case CHUNK_SDRAM:       CHECKED_READ_BUFF(Pico32xMem->sdram); break;
       case CHUNK_DRAM:        CHECKED_READ_BUFF(Pico32xMem->dram); break;
       case CHUNK_32XPAL:      CHECKED_READ_BUFF(Pico32xMem->pal); break;
+
+      case CHUNK_32X_EVT:
+        CHECKED_READ_BUFF(buff);
+        memcpy(p32x_event_times, buff, sizeof(p32x_event_times));
+        break;
 #endif
       default:
         if (carthw_chunks != NULL)
@@ -499,24 +523,29 @@ readend:
   if (PicoAHW & PAHW_SMS)
     PicoStateLoadedMS();
 
-  if (PicoAHW & PAHW_MCD)
-  {
-    PicoMemStateLoaded();
-
-    if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))
-      cdda_start_play();
-
-    SekUnpackCpu(buff_s68k, 1);
-  }
+  if (PicoAHW & PAHW_32X)
+    Pico32xStateLoaded(1);
 
   // must unpack 68k and z80 after banks are set up
   if (!(PicoAHW & PAHW_SMS))
     SekUnpackCpu(buff_m68k, 0);
+  if (PicoAHW & PAHW_MCD)
+    SekUnpackCpu(buff_s68k, 1);
 
   z80_unpack(buff_z80);
 
+  // due to dep from 68k cycles..
+  SekCycleAim = SekCycleCnt;
   if (PicoAHW & PAHW_32X)
-    Pico32xStateLoaded();
+    Pico32xStateLoaded(0);
+  if (PicoAHW & PAHW_MCD)
+  {
+    SekCycleAimS68k = SekCycleCntS68k;
+    pcd_state_loaded();
+
+    if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))
+      cdda_start_play();
+  }
 
   return 0;
 }
@@ -576,15 +605,10 @@ readend:
   return 0;
 }
 
-int PicoState(const char *fname, int is_save)
+static int pico_state_internal(void *afile, int is_save)
 {
-  void *afile = NULL;
   int ret;
 
-  afile = open_save_file(fname, is_save);
-  if (afile == NULL)
-    return -1;
-
   if (is_save)
     ret = state_save(afile);
   else {
@@ -599,10 +623,35 @@ int PicoState(const char *fname, int is_save)
     Pico.m.dirtyPal = 1;
   }
 
+  return ret;
+}
+
+int PicoState(const char *fname, int is_save)
+{
+  void *afile = NULL;
+  int ret;
+
+  afile = open_save_file(fname, is_save);
+  if (afile == NULL)
+    return -1;
+
+  ret = pico_state_internal(afile, is_save);
   areaClose(afile);
   return ret;
 }
 
+int PicoStateFP(void *afile, int is_save,
+  arearw *read, arearw *write, areaeof *eof, areaseek *seek)
+{
+  areaRead  = read;
+  areaWrite = write;
+  areaEof   = eof;
+  areaSeek  = seek;
+  areaClose = NULL;
+
+  return pico_state_internal(afile, is_save);
+}
+
 int PicoStateLoadGfx(const char *fname)
 {
   void *afile;
@@ -690,4 +739,4 @@ void PicoTmpStateRestore(void *data)
 #endif
 }
 
-// vim:shiftwidth=2:expandtab
+// vim:shiftwidth=2:ts=2:expandtab