merge mappers from FCEU-mm

[fceu.git] / fce.c

diff --git a/fce.c b/fce.c
index eafba11..282a264 100644 (file)
--- a/fce.c
+++ b/fce.c
@@ -49,14 +49,15 @@
 #include       "file.h"
 #include       "crc32.h"
 #include        "ppu.h"
+#include        "ppu098.h"
 
 #include        "palette.h"
 #include        "movie.h"
 
 #include        "dprintf.h"
 
-#ifdef GP2X
-#include       "drivers/gp2x/asmutils.h"
+#ifdef __arm__
+#include       "drivers/arm/asmutils.h"
 #endif
 
 #define Pal     (PALRAM)
@@ -97,6 +98,7 @@ static uint8 deemp=0;
 static int deempcnt[8];
 
 FCEUGI FCEUGameInfo;
+FCEUGI *GameInfo = &FCEUGameInfo;
 void (*GameInterface)(int h, void *param);
 
 void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
@@ -111,7 +113,9 @@ static writefunc *BWriteG;
 static int RWWrap=0;
 
 #ifdef ASM_6502
-#ifndef DEBUG_ASM_6502
+#ifdef DEBUG_ASM_6502
+extern uint8  nes_internal_ram[0x800];
+#else
 static void asmcpu_update(int32 cycles)
 {
  // some code from x6502.c
@@ -157,6 +161,10 @@ void asmcpu_unpack(void)
        nes_registers[4]|= X.P & 0x5d;
        nes_registers[5] = X.P << 24; // N
        if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
+
+#ifdef DEBUG_ASM_6502
+       memcpy(nes_internal_ram, RAM, 0x800);
+#endif
 }
 
 void asmcpu_pack(void)
@@ -183,6 +191,7 @@ DECLFW(BNull)
 
 DECLFR(ANull)
 {
+ //printf("open [%04x] %02x @ %04x (%04x)\n", A, X.DB, X.PC, X.PC&0x7ff);
  return(X.DB);
 }
 
@@ -623,7 +632,14 @@ static void LineUpdate(uint8 *target)
         return;
        }
 
-       if(scanline < FSettings.FirstSLine || scanline > FSettings.LastSLine)
+       if(!ScreenON)
+       {
+         tem=Pal[0]|0x40;
+         tem|=tem << 8;
+         tem|=tem << 16;
+         FCEU_dwmemset(target,tem,256);
+       }
+       else if(scanline < FSettings.FirstSLine || scanline > FSettings.LastSLine)
        {
           if(PPU_hook)
            PRefreshLine();
@@ -632,17 +648,7 @@ static void LineUpdate(uint8 *target)
        }
        else
        {
-        if(ScreenON)
-        {
-          BGRender(target);
-        }
-        else
-        {
-          tem=Pal[0]|0x40;
-          tem|=tem << 8;
-          tem|=tem << 16;
-          FCEU_dwmemset(target,tem,256);
-        }
+        BGRender(target);
        }
 
         if(InputScanlineHook)
@@ -652,7 +658,7 @@ static void LineUpdate(uint8 *target)
 
 static void LineUpdateEnd(uint8 *target)
 {
-#ifdef GP2X
+#ifdef __arm__
  if(ScreenON || SpriteON)  // Yes, very el-cheapo.
  {
   if(PPU[1]&0x01)
@@ -1109,7 +1115,7 @@ void ResetGameLoaded(void)
 char lastLoadedGameName [2048];
 int LoadGameLastError = 0;
 int UNIFLoad(const char *name, int fp);
-int iNESLoad(const char *name, int fp);
+int iNESLoad(const char *name, int fp, int OverwriteVidMode);
 int FDSLoad(const char *name, int fp);
 int NSFLoad(int fp);
 
@@ -1170,7 +1176,7 @@ FCEUGI *FCEUI_LoadGame(char *name)
        }
 
         GetFileBase(name2);
-        if(iNESLoad(name2,fp))
+        if(iNESLoad(name2,fp,1))
          goto endlseq;
         if(NSFLoad(fp))
          goto endlseq;
@@ -1269,7 +1275,6 @@ static void EmLoop(void);
 
 int use098code = 0;
 void (*ResetNES)(void) = 0;
-void (*PowerNES)(void) = 0;
 void (*FCEUI_Emulate)(void) = 0;
 
 void FCEUI_SetEmuMode(int is_new)
@@ -1278,13 +1283,11 @@ void FCEUI_SetEmuMode(int is_new)
    if (is_new)
    {
     ResetNES=ResetNES098;
-    PowerNES=PowerNES098;
     FCEUI_Emulate=FCEUI_Emulate098;
    }
    else
    {
     ResetNES=ResetNES081;
-    PowerNES=PowerNES081;
     FCEUI_Emulate=EmLoop;
    }
 }
@@ -1516,9 +1519,9 @@ void ResetNES081(void)
         X6502_Reset();
 }
 
-#ifndef DEBUG_ASM_6502
-static void FCEU_MemoryRand(uint8 *ptr, uint32 size)
+void FCEU_MemoryRand(uint8 *ptr, uint32 size)
 {
+#ifndef DEBUG_ASM_6502
  int x=0;
  while(size)
  {
@@ -1527,10 +1530,10 @@ static void FCEU_MemoryRand(uint8 *ptr, uint32 size)
   size--;
   ptr++;
  }
-}
 #endif
+}
 
-void PowerNES081(void)
+void PowerNES(void)
 {
         if(!GameLoaded) return;
 
@@ -1539,14 +1542,21 @@ void PowerNES081(void)
 
         GeniePower();
 
-#ifndef DEBUG_ASM_6502
         FCEU_MemoryRand(RAM,0x800);
-#else
+#ifdef DEBUG_ASM_6502
         memset(RAM,0x00,0x800);
+       memset(nes_internal_ram,0x00,0x800);
 #endif
         ResetMapping();
         PowerSound();
        PowerPPU();
+
+       if (use098code)
+        FCEUPPU_Power();
+
+       /* Have the external game hardware "powered" after the internal NES stuff.
+          Needed for the NSF code and VS System code.
+       */
        GameInterface(GI_POWER, 0);
         if(FCEUGameInfo.type==GIT_VSUNI)
          FCEU_VSUniPower();