patch up some savestate issues

[pcsx_rearmed.git] / libpcsxcore / mdec.c

diff --git a/libpcsxcore/mdec.c b/libpcsxcore/mdec.c
index 167a1cf..612fe97 100644 (file)
--- a/libpcsxcore/mdec.c
+++ b/libpcsxcore/mdec.c
@@ -674,27 +674,26 @@ void mdec1Interrupt() {
 }
 
 int mdecFreeze(void *f, int Mode) {
-       u8 *base = (u8 *)&psxM[0x100000];
+       u8 *base = (u8 *)psxM;
        u32 v;
 
        gzfreeze(&mdec.reg0, sizeof(mdec.reg0));
        gzfreeze(&mdec.reg1, sizeof(mdec.reg1));
 
-       // old code used to save raw pointers..
        v = (u8 *)mdec.rl - base;
        gzfreeze(&v, sizeof(v));
-       mdec.rl = (u16 *)(base + (v & 0xffffe));
+       mdec.rl = (u16 *)(base + (v & 0x1ffffe));
        v = (u8 *)mdec.rl_end - base;
        gzfreeze(&v, sizeof(v));
-       mdec.rl_end = (u16 *)(base + (v & 0xffffe));
+       mdec.rl_end = (u16 *)(base + (v & 0x1ffffe));
 
        v = 0;
        if (mdec.block_buffer_pos)
-               v = mdec.block_buffer_pos - base;
+               v = mdec.block_buffer_pos - mdec.block_buffer;
        gzfreeze(&v, sizeof(v));
        mdec.block_buffer_pos = 0;
-       if (v)
-               mdec.block_buffer_pos = base + (v & 0xfffff);
+       if (v && v < sizeof(mdec.block_buffer))
+               mdec.block_buffer_pos = mdec.block_buffer;
 
        gzfreeze(&mdec.block_buffer, sizeof(mdec.block_buffer));
        gzfreeze(&mdec.pending_dma1, sizeof(mdec.pending_dma1));