Fix memcard2 still detected by games when its supposed to be disabled

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 7eb8480..838e449 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -819,7 +819,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
        // cheat funcs are destructive, need a copy..
        strncpy(buf, code, sizeof(buf));
        buf[sizeof(buf) - 1] = 0;
-       
+
        //Prepare buffered cheat for PCSX's AddCheat fucntion.
        int cursor=0;
        int nonhexdec=0;
@@ -833,7 +833,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
                }
                cursor++;
        }
-       
+
 
        if (index < NumCheats)
                ret = EditCheat(index, "", buf);
@@ -1581,7 +1581,7 @@ static void update_variables(bool in_flight)
    }
    else{
       //not yet running
-      
+
       //bootlogo display hack
       if (found_bios) {
          var.value = "NULL";
@@ -1881,9 +1881,12 @@ static int init_memcards(void)
        struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
        static const char CARD2_FILE[] = "pcsx-card2.mcd";
 
-       McdDisable[0] = 0;
-       // Disable memcard 2 by default
-       McdDisable[1] = 1;
+       // Memcard2 will be handled and is re-enabled if needed using core
+       // operations.
+       // Memcard1 is handled by libretro, doing this will set core to
+       // skip file io operations for memcard1 like SaveMcd
+       snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
+       snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
        init_memcard(Mcd1Data);
        // Memcard 2 is managed by the emulator on the filesystem,
        // There is no need to initialize Mcd2Data like Mcd1Data.
@@ -1987,7 +1990,7 @@ void retro_init(void)
    psxUnmapHook = pl_vita_munmap;
 #endif
        ret = emu_core_preinit();
-#ifdef _3DS 
+#ifdef _3DS
    /* emu_core_preinit sets the cpu to dynarec */
    if(!__ctr_svchax)
       Config.Cpu = CPU_INTERPRETER;
@@ -2007,7 +2010,7 @@ void retro_init(void)
 #else
        vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
 #endif
-  
+
        vout_buf_ptr = vout_buf;
 
        loadPSXBios();

diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c
index d5ed725..a684601 100644 (file)
--- a/libpcsxcore/psxbios.c
+++ b/libpcsxcore/psxbios.c
@@ -26,6 +26,7 @@
 #include "psxbios.h"
 #include "psxhw.h"
 #include "gpu.h"
+#include "sio.h"
 #include <zlib.h>
 
 #undef SysPrintf
@@ -261,7 +262,7 @@ static int CardState = -1;
 static TCB Thread[8];
 static int CurThread = 0;
 static FileDesc FDesc[32];
-static u32 card_active_chan;
+static u32 card_active_chan = 0;
 
 boolean hleSoftCall = FALSE;
 
@@ -1271,14 +1272,35 @@ void psxBios_SetMem() { // 9f
 }
 
 void psxBios__card_info() { // ab
+       u8 ret, port;
 #ifdef PSXBIOS_LOG
        PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
 #endif
 
        card_active_chan = a0;
+       port = card_active_chan >> 4;
+
+       switch (port) {
+       case 0x0:
+       case 0x1:
+               ret = 0x2;
+               if (McdDisable[port & 1])
+                       ret = 0x8;
+               break;
+       default:
+#ifdef PSXBIOS_LOG
+               PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
+#endif
+               ret = 0x11;
+               break;
+       }
+
+       if (McdDisable[0] && McdDisable[1])
+               ret = 0x8;
 
 //     DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
-       DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
+//     DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
+       DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
 
        v0 = 1; pc0 = ra;
 }
@@ -2643,6 +2665,7 @@ void psxBiosInit() {
        CardState = -1;
        CurThread = 0;
        memset(FDesc, 0, sizeof(FDesc));
+       card_active_chan = 0;
 
        psxMu32ref(0x0150) = SWAPu32(0x160);
        psxMu32ref(0x0154) = SWAPu32(0x320);

diff --git a/libpcsxcore/sio.c b/libpcsxcore/sio.c
index d251fa7..c2390bf 100644 (file)
--- a/libpcsxcore/sio.c
+++ b/libpcsxcore/sio.c
@@ -423,6 +423,12 @@ void LoadMcd(int mcd, char *str) {
        }
 
        McdDisable[mcd - 1] = 0;
+#ifdef HAVE_LIBRETRO
+       // memcard1 is handled by libretro
+       if (mcd == 1)
+               return;
+#endif
+
        if (str == NULL || strcmp(str, "none") == 0) {
                McdDisable[mcd - 1] = 1;
                return;

diff --git a/libpcsxcore/sio.h b/libpcsxcore/sio.h
index eff1746..a554c2b 100644 (file)
--- a/libpcsxcore/sio.h
+++ b/libpcsxcore/sio.h
@@ -34,6 +34,7 @@ extern "C" {
 #define MCD_SIZE       (1024 * 8 * 16)
 
 extern char Mcd1Data[MCD_SIZE], Mcd2Data[MCD_SIZE];
+extern char McdDisable[2];
 
 void sioWrite8(unsigned char value);
 void sioWriteStat16(unsigned short value);