X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcart.c;h=25a847d40a6b70acd5d2136cfafc0a81f3a799da;hb=925254c3fe875acc5d36cb9e5ac2a64851f011f6;hp=8d30a93b4a1bb613877f55299e0b0556f23a20e3;hpb=b081408f66662068a3d274f696bdabba5186b68e;p=picodrive.git

diff --git a/pico/cart.c b/pico/cart.c
index 8d30a93..25a847d 100644
--- a/pico/cart.c
+++ b/pico/cart.c
@@ -1,14 +1,15 @@
-// This is part of Pico Library
-
-// (c) Copyright 2004 Dave, All rights reserved.
-// (c) Copyright 2006-2007, Grazvydas "notaz" Ignotas
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
+/*
+ * PicoDrive
+ * (c) Copyright Dave, 2004
+ * (C) notaz, 2006-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 
 #include "pico_int.h"
 #include "../zlib/zlib.h"
+#include "../cpu/debug.h"
 #include "../unzip/unzip.h"
 #include "../unzip/unzip_stream.h"
 
@@ -22,6 +23,8 @@ void (*PicoCartMemSetup)(void);
 void (*PicoCartLoadProgressCB)(int percent) = NULL;
 void (*PicoCDLoadProgressCB)(const char *fname, int percent) = NULL; // handled in Pico/cd/cd_file.c
 
+int PicoGameLoaded;
+
 static void PicoCartDetect(const char *carthw_cfg);
 
 /* cso struct */
@@ -47,7 +50,7 @@ typedef struct _cso_struct
 }
 cso_struct;
 
-static int uncompress2(void *dest, int destLen, void *source, int sourceLen)
+static int uncompress_buf(void *dest, int destLen, void *source, int sourceLen)
 {
     z_stream stream;
     int err;
@@ -97,6 +100,7 @@ pm_file *pm_open(const char *path)
     return NULL;
 
   ext = get_ext(path);
+#ifndef NO_ZLIB
   if (strcasecmp(ext, "zip") == 0)
   {
     struct zipent *zipentry;
@@ -146,7 +150,9 @@ zip_failed:
       return NULL;
     }
   }
-  else if (strcasecmp(ext, "cso") == 0)
+  else
+#endif
+  if (strcasecmp(ext, "cso") == 0)
   {
     cso_struct *cso = NULL, *tmp = NULL;
     int size;
@@ -154,7 +160,7 @@ zip_failed:
     if (f == NULL)
       goto cso_failed;
 
-#ifndef __EPOC32__
+#ifdef __GP2X__
     /* we use our own buffering */
     setvbuf(f, NULL, _IONBF, 0);
 #endif
@@ -224,7 +230,7 @@ cso_failed:
   strncpy(file->ext, ext, sizeof(file->ext) - 1);
   fseek(f, 0, SEEK_SET);
 
-#ifndef __EPOC32__ // makes things worse on Symbian
+#ifdef __GP2X__
   if (file->size > 0x400000)
     /* we use our own buffering */
     setvbuf(f, NULL, _IONBF, 0);
@@ -241,6 +247,7 @@ size_t pm_read(void *ptr, size_t bytes, pm_file *stream)
   {
     ret = fread(ptr, 1, bytes, stream->file);
   }
+#ifndef NO_ZLIB
   else if (stream->type == PMT_ZIP)
   {
     gzFile gf = stream->param;
@@ -251,6 +258,7 @@ size_t pm_read(void *ptr, size_t bytes, pm_file *stream)
       /* we must reset stream pointer or else next seek/read fails */
       gzrewind(gf);
   }
+#endif
   else if (stream->type == PMT_CSO)
   {
     cso_struct *cso = stream->param;
@@ -290,7 +298,7 @@ size_t pm_read(void *ptr, size_t bytes, pm_file *stream)
           }
           cso->block_in_buff = block;
         }
-        rret = uncompress2(tmp_dst, 2048, cso->in_buff, read_len);
+        rret = uncompress_buf(tmp_dst, 2048, cso->in_buff, read_len);
         if (rret != 0) {
           elprintf(EL_STATUS, "cso: uncompress failed @ %08x with %i", read_pos, rret);
           break;
@@ -326,6 +334,7 @@ int pm_seek(pm_file *stream, long offset, int whence)
     fseek(stream->file, offset, whence);
     return ftell(stream->file);
   }
+#ifndef NO_ZLIB
   else if (stream->type == PMT_ZIP)
   {
     if (PicoMessage != NULL && offset > 6*1024*1024) {
@@ -335,6 +344,7 @@ int pm_seek(pm_file *stream, long offset, int whence)
     }
     return gzseek((gzFile) stream->param, offset, whence);
   }
+#endif
   else if (stream->type == PMT_CSO)
   {
     cso_struct *cso = stream->param;
@@ -360,6 +370,7 @@ int pm_close(pm_file *fp)
   {
     fclose(fp->file);
   }
+#ifndef NO_ZLIB
   else if (fp->type == PMT_ZIP)
   {
     ZIP *zipfile = fp->file;
@@ -367,6 +378,7 @@ int pm_close(pm_file *fp)
     zipfile->fp = NULL; // gzclose() closed it
     closezip(zipfile);
   }
+#endif
   else if (fp->type == PMT_CSO)
   {
     free(fp->param);
@@ -438,6 +450,9 @@ static unsigned char *PicoCartAlloc(int filesize, int is_sms)
     if (filesize > (1 << s))
       s++;
     rom_alloc_size = 1 << s;
+    // be sure we can cover all address space
+    if (rom_alloc_size < 0x10000)
+      rom_alloc_size = 0x10000;
   }
   else {
     // make alloc size at least sizeof(mcd_state),
@@ -454,7 +469,7 @@ static unsigned char *PicoCartAlloc(int filesize, int is_sms)
 
   // Allocate space for the rom plus padding
   // use special address for 32x dynarec
-  rom = plat_mmap(0x02000000, rom_alloc_size);
+  rom = plat_mmap(0x02000000, rom_alloc_size, 0, 0);
   return rom;
 }
 
@@ -555,6 +570,7 @@ int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_
     PicoCartUnloadHook();
     PicoCartUnloadHook = NULL;
   }
+  pdb_cleanup();
 
   PicoAHW &= PAHW_MCD|PAHW_SMS;
 
@@ -587,6 +603,18 @@ int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_
   else
     PicoPower();
 
+  PicoGameLoaded = 1;
+  return 0;
+}
+
+int PicoCartResize(int newsize)
+{
+  void *tmp = plat_mremap(Pico.rom, rom_alloc_size, newsize);
+  if (tmp == NULL)
+    return -1;
+
+  Pico.rom = tmp;
+  rom_alloc_size = newsize;
   return 0;
 }
 
@@ -605,6 +633,7 @@ void PicoCartUnload(void)
     plat_munmap(Pico.rom, rom_alloc_size);
     Pico.rom = NULL;
   }
+  PicoGameLoaded = 0;
 }
 
 static unsigned int rom_crc32(void)
@@ -623,6 +652,8 @@ static int rom_strcmp(int rom_offset, const char *s1)
 {
   int i, len = strlen(s1);
   const char *s_rom = (const char *)Pico.rom;
+  if (rom_offset + len > Pico.romsize)
+    return 0;
   for (i = 0; i < len; i++)
     if (s1[i] != s_rom[(i + rom_offset) ^ 1])
       return 1;
@@ -689,21 +720,45 @@ static int is_expr(const char *expr, char **pr)
   return 1;
 }
 
+#include "carthw_cfg.c"
+
 static void parse_carthw(const char *carthw_cfg, int *fill_sram)
 {
   int line = 0, any_checks_passed = 0, skip_sect = 0;
+  const char *s, *builtin = builtin_carthw_cfg;
   int tmp, rom_crc = 0;
   char buff[256], *p, *r;
   FILE *f;
 
   f = fopen(carthw_cfg, "r");
-  if (f == NULL) {
+  if (f == NULL)
+    f = fopen("pico/carthw.cfg", "r");
+  if (f == NULL)
     elprintf(EL_STATUS, "couldn't open carthw.cfg!");
-    return;
-  }
 
-  while ((p = fgets(buff, sizeof(buff), f)))
+  for (;;)
   {
+    if (f != NULL) {
+      p = fgets(buff, sizeof(buff), f);
+      if (p == NULL)
+        break;
+    }
+    else {
+      if (*builtin == 0)
+        break;
+      for (s = builtin; *s != 0 && *s != '\n'; s++)
+        ;
+      while (*s == '\n')
+        s++;
+      tmp = s - builtin;
+      if (tmp > sizeof(buff) - 1)
+        tmp = sizeof(buff) - 1;
+      memcpy(buff, builtin, tmp);
+      buff[tmp] = 0;
+      p = buff;
+      builtin = s;
+    }
+
     line++;
     p = sskip(p);
     if (*p == 0 || *p == '#')
@@ -807,6 +862,8 @@ static void parse_carthw(const char *carthw_cfg, int *fill_sram)
         carthw_realtec_startup();
       else if (strcmp(p, "radica_mapper") == 0)
         carthw_radica_startup();
+      else if (strcmp(p, "piersolar_mapper") == 0)
+        carthw_pier_startup();
       else if (strcmp(p, "prot_lk3") == 0)
         carthw_prot_lk3_startup();
       else {
@@ -851,10 +908,13 @@ static void parse_carthw(const char *carthw_cfg, int *fill_sram)
         SRam.flags &= ~SRF_EEPROM;
       else if (strcmp(p, "filled_sram") == 0)
         *fill_sram = 1;
+      else if (strcmp(p, "force_6btn") == 0)
+        PicoQuirks |= PQUIRK_FORCE_6BTN;
       else {
         elprintf(EL_STATUS, "carthw:%d: unsupported prop: %s", line, p);
         goto bad_nomsg;
       }
+      elprintf(EL_STATUS, "game prop: %s", p);
       continue;
     }
     else if (is_expr("eeprom_type", &p)) {
@@ -912,7 +972,9 @@ no_checks:
     skip_sect = 1;
     continue;
   }
-  fclose(f);
+
+  if (f != NULL)
+    fclose(f);
 }
 
 /*
@@ -977,3 +1039,4 @@ static void PicoCartDetect(const char *carthw_cfg)
     *(int *) (Pico.rom + 0x1f0) = 0x20204520;
 }
 
+// vim:shiftwidth=2:expandtab