clarify PicoDrive's license

[picodrive.git] / pico / 32x / memory.c

diff --git a/pico/32x/memory.c b/pico/32x/memory.c
index ee33caa..170006d 100644 (file)
--- a/pico/32x/memory.c
+++ b/pico/32x/memory.c
@@ -1,4 +1,10 @@
 /*
+ * PicoDrive
+ * (C) notaz, 2009,2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ *
  * SH2 addr lines:
  * iii. .cc. ..xx *   // Internal, Cs, x
  *
@@ -352,7 +358,7 @@ static void p32x_vdp_write8(u32 a, u32 d)
       Pico32x.pending_fb = d;
       // if we are blanking and FS bit is changing
       if (((r[0x0a/2] & P32XV_VBLK) || (r[0] & P32XV_Mx) == 0) && ((r[0x0a/2] ^ d) & P32XV_FS)) {
-        r[0x0a/2] ^= 1;
+        r[0x0a/2] ^= P32XV_FS;
        Pico32xSwapDRAM(d ^ 1);
         elprintf(EL_32X, "VDP FS: %d", r[0x0a/2] & P32XV_FS);
       }
@@ -1329,7 +1335,7 @@ static void get_bios(void)
   // M68K ROM
   if (p32x_bios_g != NULL) {
     elprintf(EL_STATUS|EL_32X, "32x: using supplied 68k BIOS");
-    Byteswap(Pico32xMem->m68k_rom, p32x_bios_g, 0x100);
+    Byteswap(Pico32xMem->m68k_rom, p32x_bios_g, sizeof(Pico32xMem->m68k_rom));
   }
   else {
     // generate 68k ROM
@@ -1351,7 +1357,9 @@ static void get_bios(void)
 #endif
   }
   // fill remaining m68k_rom page with game ROM
-  memcpy(Pico32xMem->m68k_rom + 0x100, Pico.rom + 0x100, sizeof(Pico32xMem->m68k_rom) - 0x100);
+  memcpy(Pico32xMem->m68k_rom_bank + sizeof(Pico32xMem->m68k_rom),
+    Pico.rom + sizeof(Pico32xMem->m68k_rom),
+    sizeof(Pico32xMem->m68k_rom_bank) - sizeof(Pico32xMem->m68k_rom));
 
   // MSH2
   if (p32x_bios_m != NULL) {
@@ -1423,7 +1431,7 @@ void PicoMemSetup32x(void)
   unsigned int rs;
   int i;
 
-  Pico32xMem = plat_mmap(0x06000000, sizeof(*Pico32xMem));
+  Pico32xMem = plat_mmap(0x06000000, sizeof(*Pico32xMem), 0, 0);
   if (Pico32xMem == NULL) {
     elprintf(EL_STATUS, "OOM");
     return;
@@ -1439,9 +1447,9 @@ void PicoMemSetup32x(void)
   // m68k_map_unmap(0x000000, 0x3fffff);
 
   // MD ROM area
-  rs = sizeof(Pico32xMem->m68k_rom);
-  cpu68k_map_set(m68k_read8_map,   0x000000, rs - 1, Pico32xMem->m68k_rom, 0);
-  cpu68k_map_set(m68k_read16_map,  0x000000, rs - 1, Pico32xMem->m68k_rom, 0);
+  rs = sizeof(Pico32xMem->m68k_rom_bank);
+  cpu68k_map_set(m68k_read8_map,   0x000000, rs - 1, Pico32xMem->m68k_rom_bank, 0);
+  cpu68k_map_set(m68k_read16_map,  0x000000, rs - 1, Pico32xMem->m68k_rom_bank, 0);
   cpu68k_map_set(m68k_write8_map,  0x000000, rs - 1, PicoWrite8_hint, 1); // TODO verify
   cpu68k_map_set(m68k_write16_map, 0x000000, rs - 1, PicoWrite16_hint, 1);
 
@@ -1538,4 +1546,16 @@ void PicoMemSetup32x(void)
 #endif
 }
 
+void Pico32xStateLoaded(void)
+{
+  bank_switch(Pico32x.regs[4 / 2]);
+  Pico32xSwapDRAM((Pico32x.vdp_regs[0x0a / 2] & P32XV_FS) ^ P32XV_FS);
+  p32x_poll_event(3, 0);
+  Pico32x.dirty_pal = 1;
+  memset(Pico32xMem->pwm, 0, sizeof(Pico32xMem->pwm));
+#ifdef DRC_SH2
+  sh2_drc_flush_all();
+#endif
+}
+
 // vim:shiftwidth=2:expandtab