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-rw-r--r--source/apu.cpp16
-rw-r--r--source/c4emu.cpp1
-rw-r--r--source/cheats.cpp3
-rw-r--r--source/cheats2.cpp1
-rw-r--r--source/clip.cpp12
-rw-r--r--source/gfx.cpp17
-rw-r--r--source/loadzip.cpp8
-rw-r--r--source/memmap.cpp81
-rw-r--r--source/sa1.cpp4
-rw-r--r--source/snaporig.cpp6
-rw-r--r--source/snapshot.cpp14
-rw-r--r--source/srtc.cpp12
12 files changed, 125 insertions, 50 deletions
diff --git a/source/apu.cpp b/source/apu.cpp
index 3c1a5d3..d60cc75 100644
--- a/source/apu.cpp
+++ b/source/apu.cpp
@@ -177,8 +177,12 @@ void S9xResetAPU ()
ZeroMemory (IAPU.CachedSamples, 0x40000);
ZeroMemory (APU.OutPorts, 4);
IAPU.DirectPage = IAPU.RAM;
- memmove (&IAPU.RAM [0xffc0], APUROM, sizeof (APUROM));
- memmove (APU.ExtraRAM, APUROM, sizeof (APUROM));
+ // memmove converted: Different mallocs [Neb]
+ // DS2 DMA notes: The APU ROM is not 32-byte aligned [Neb]
+ memcpy (&IAPU.RAM [0xffc0], APUROM, sizeof (APUROM));
+ // memmove converted: Different mallocs [Neb]
+ // DS2 DMA notes: The APU ROM is not 32-byte aligned [Neb]
+ memcpy (APU.ExtraRAM, APUROM, sizeof (APUROM));
IAPU.PC = IAPU.RAM + IAPU.RAM [0xfffe] + (IAPU.RAM [0xffff] << 8);
APU.Cycles = 0;
IAPU.Registers.YA.W = 0;
@@ -874,7 +878,9 @@ void S9xSetAPUControl (uint8 byte)
{
if (!APU.ShowROM)
{
- memmove (&IAPU.RAM [0xffc0], APUROM, sizeof (APUROM));
+ // memmove converted: Different mallocs [Neb]
+ // DS2 DMA notes: The APU ROM is not 32-byte aligned [Neb]
+ memcpy (&IAPU.RAM [0xffc0], APUROM, sizeof (APUROM));
APU.ShowROM = TRUE;
}
}
@@ -883,7 +889,9 @@ void S9xSetAPUControl (uint8 byte)
if (APU.ShowROM)
{
APU.ShowROM = FALSE;
- memmove (&IAPU.RAM [0xffc0], APU.ExtraRAM, sizeof (APUROM));
+ // memmove converted: Different mallocs [Neb]
+ // DS2 DMA notes: The APU ROM is not 32-byte aligned [Neb]
+ memcpy (&IAPU.RAM [0xffc0], APU.ExtraRAM, sizeof (APUROM));
}
}
IAPU.RAM [0xf1] = byte;
diff --git a/source/c4emu.cpp b/source/c4emu.cpp
index a8fcce9..be08f07 100644
--- a/source/c4emu.cpp
+++ b/source/c4emu.cpp
@@ -878,6 +878,7 @@ void S9xSetC4 (uint8 byte, uint16 Address)
if(byte != 0) printf("C4 load: non-0 written to $7f47! Wrote %02x\n", byte);
if(READ_WORD(Memory.C4RAM+0x1f45) < 0x6000 || (READ_WORD(Memory.C4RAM+0x1f45) + READ_WORD(Memory.C4RAM+0x1f43)) > 0x6c00) printf("C4 load: Dest unusual! It's %04x\n", READ_WORD(Memory.C4RAM+0x1f45));
#endif
+ // memmove required: Can overlap arbitrarily [Neb]
memmove(Memory.C4RAM+(READ_WORD(Memory.C4RAM+0x1f45)&0x1fff),
S9xGetMemPointer(READ_3WORD(Memory.C4RAM+0x1f40)),
READ_WORD(Memory.C4RAM+0x1f43));
diff --git a/source/cheats.cpp b/source/cheats.cpp
index dc388d2..9c4a8f2 100644
--- a/source/cheats.cpp
+++ b/source/cheats.cpp
@@ -190,8 +190,11 @@ const char *S9xGameGenieToRaw (const char *code, uint32 *address, uint8 *byte)
void S9xStartCheatSearch (SCheatData *d)
{
+ // memmove may be required: Source is usually a different malloc, but could be pointed to d->CWRAM [Neb]
memmove (d->CWRAM, d->RAM, 0x20000);
+ // memmove may be required: Source is usually a different malloc, but could be pointed to d->CSRAM [Neb]
memmove (d->CSRAM, d->SRAM, 0x10000);
+ // memmove may be required: Source is usually a different malloc, but could be pointed to d->CIRAM [Neb]
memmove (d->CIRAM, &d->FillRAM [0x3000], 0x2000);
memset ((char *) d->WRAM_BITS, 0xff, 0x20000 >> 3);
memset ((char *) d->SRAM_BITS, 0xff, 0x10000 >> 3);
diff --git a/source/cheats2.cpp b/source/cheats2.cpp
index e5a7b0f..59855b9 100644
--- a/source/cheats2.cpp
+++ b/source/cheats2.cpp
@@ -128,6 +128,7 @@ void S9xDeleteCheat (uint32 which1)
if (Cheat.c [which1].enabled)
S9xRemoveCheat (which1);
+ // memmove required: Overlapping addresses [Neb]
memmove (&Cheat.c [which1], &Cheat.c [which1 + 1],
sizeof (Cheat.c [0]) * (Cheat.num_cheats - which1 - 1));
Cheat.num_cheats--; //MK: This used to set it to 0??
diff --git a/source/clip.cpp b/source/clip.cpp
index 57204ac..7147abf 100644
--- a/source/clip.cpp
+++ b/source/clip.cpp
@@ -291,7 +291,8 @@ void ComputeClipWindows ()
if (BAND_EMPTY(Win1[0]))
{
B = Window2Enabled;
- memmove (Bands, Win2,
+ // memmove converted: Different stack allocations [Neb]
+ memcpy (Bands, Win2,
sizeof(Win2[0]) * Window2Enabled);
}
else
@@ -355,7 +356,8 @@ void ComputeClipWindows ()
// use window 1 as the clipping (which
// could also be empty).
B = Window1Enabled;
- memmove (Bands, Win1,
+ // memmove converted: Different stack allocations [Neb]
+ memcpy (Bands, Win1,
sizeof(Win1[0]) * Window1Enabled);
}
else
@@ -468,14 +470,16 @@ void ComputeClipWindows ()
if (Window1Enabled == 1 && BAND_EMPTY(Win1[0]))
{
B = Window2Enabled;
- memmove (Bands, Win2,
+ // memmove converted: Different stack allocations [Neb]
+ memcpy (Bands, Win2,
sizeof(Win2[0]) * Window2Enabled);
}
else
if (Window2Enabled == 1 && BAND_EMPTY(Win2[0]))
{
B = Window1Enabled;
- memmove (Bands, Win1,
+ // memmove converted: Different stack allocations [Neb]
+ memcpy (Bands, Win1,
sizeof(Win1[0]) * Window1Enabled);
}
else
diff --git a/source/gfx.cpp b/source/gfx.cpp
index d2b8b6e..1b429c6 100644
--- a/source/gfx.cpp
+++ b/source/gfx.cpp
@@ -154,10 +154,12 @@ extern uint8 Mode7Depths [2];
if (IPPU.DoubleHeightPixels && ((PPU.BGMode != 5 && PPU.BGMode != 6) || !IPPU.Interlace)) \
for (uint32 y = GFX.StartY; y <= GFX.EndY; y++) \
{ \
- memmove (SCREEN + (y * 2 + 1) * GFX.Pitch2, \
- SCREEN + y * 2 * GFX.Pitch2, \
- GFX.Pitch2); \
+ /* memmove converted: Same malloc, non-overlapping addresses [Neb] */ \
+ memcpy (SCREEN + (y * 2 + 1) * GFX.Pitch2, \
+ SCREEN + y * 2 * GFX.Pitch2, \
+ GFX.Pitch2); \
if(DO_DEPTH){ \
+ /* memmove required: Same malloc, potentially overlapping addresses [Neb] */ \
memmove (DEPTH + (y * 2 + 1) * (GFX.PPLx2>>1), \
DEPTH + y * GFX.PPL, \
GFX.PPLx2>>1); \
@@ -1207,6 +1209,7 @@ static void DrawOBJS (bool8 OnMain = FALSE, uint8 D = 0)
if(j<i && Windows[j].Pos==GFX.pCurrentClip->Left[clip][4]){
Windows[j].Value = TRUE;
} else {
+ // memmove required: Overlapping addresses [Neb]
if(j<i) memmove(&Windows[j+1], &Windows[j], sizeof(Windows[0])*(i-j));
Windows[j].Pos = GFX.pCurrentClip->Left[clip][4];
Windows[j].Value = TRUE;
@@ -1214,6 +1217,7 @@ static void DrawOBJS (bool8 OnMain = FALSE, uint8 D = 0)
}
for(j=0; j<i && Windows[j].Pos<GFX.pCurrentClip->Right[clip][4]; j++);
if(j>=i || Windows[j].Pos!=GFX.pCurrentClip->Right[clip][4]){
+ // memmove required: Overlapping addresses [Neb]
if(j<i) memmove(&Windows[j+1], &Windows[j], sizeof(Windows[0])*(i-j));
Windows[j].Pos = GFX.pCurrentClip->Right[clip][4];
Windows[j].Value = FALSE;
@@ -3723,10 +3727,13 @@ void S9xUpdateScreen ()
// part way down the screen. Scale everything.
for (register int32 y = (int32) GFX.StartY - 1; y >= 0; y--)
{
- memmove (GFX.Screen + y * 2 * GFX.Pitch2,
+ // memmove converted: Same malloc, different addresses, and identical addresses at line 0 [Neb]
+ // DS2 DMA notes: This code path is unused [Neb]
+ memcpy (GFX.Screen + y * 2 * GFX.Pitch2,
GFX.Screen + y * GFX.Pitch2,
GFX.Pitch2);
- memmove (GFX.Screen + (y * 2 + 1) * GFX.Pitch2,
+ // memmove converted: Same malloc, different addresses [Neb]
+ memcpy (GFX.Screen + (y * 2 + 1) * GFX.Pitch2,
GFX.Screen + y * GFX.Pitch2,
GFX.Pitch2);
}
diff --git a/source/loadzip.cpp b/source/loadzip.cpp
index 4ee3bcb..d3e24a1 100644
--- a/source/loadzip.cpp
+++ b/source/loadzip.cpp
@@ -132,8 +132,7 @@ bool8 LoadZip(const char* zipname,
char name[132];
unzGetCurrentFileInfo(file, &info, name,128, NULL,0, NULL,0);
- int calc_size = info.uncompressed_size / 0x2000;
- calc_size *= 0x2000;
+ int calc_size = info.uncompressed_size & ~0x1FFF; // round to lower 0x2000
if(!(info.uncompressed_size - calc_size == 512 || info.uncompressed_size == calc_size))
{
port = unzGoToNextFile(file);
@@ -190,8 +189,7 @@ bool8 LoadZip(const char* zipname,
// assert(info.uncompressed_size <= CMemory::MAX_ROM_SIZE + 512);
int FileSize = info.uncompressed_size;
- int calc_size = FileSize / 0x2000;
- calc_size *= 0x2000;
+ int calc_size = FileSize & ~0x1FFF; // round to lower 0x2000
int l = unzReadCurrentFile(file,ptr,FileSize);
if(unzCloseCurrentFile(file) == UNZ_CRCERROR)
@@ -224,6 +222,8 @@ bool8 LoadZip(const char* zipname,
if ((FileSize - calc_size == 512 && !Settings.ForceNoHeader) ||
Settings.ForceHeader)
{
+ // memmove required: Overlapping addresses [Neb]
+ // DS2 DMA notes: Can be split into 512-byte DMA blocks [Neb]
memmove (ptr, ptr + 512, calc_size);
(*headers)++;
FileSize -= 512;
diff --git a/source/memmap.cpp b/source/memmap.cpp
index 04bc621..c1546b1 100644
--- a/source/memmap.cpp
+++ b/source/memmap.cpp
@@ -214,6 +214,7 @@ void S9xDeinterleaveType1(int TotalFileSize, uint8 * base)
blocks [i * 2] = i + nblocks;
blocks [i * 2 + 1] = i;
}
+ // DS2 DMA notes: base may or may not be 32-byte aligned
uint8 *tmp = (uint8 *) malloc (0x8000);
if (tmp)
{
@@ -223,10 +224,14 @@ void S9xDeinterleaveType1(int TotalFileSize, uint8 * base)
{
if (blocks [j] == i)
{
- memmove (tmp, &base [blocks [j] * 0x8000], 0x8000);
- memmove (&base [blocks [j] * 0x8000],
+ // memmove converted: Different mallocs [Neb]
+ memcpy (tmp, &base [blocks [j] * 0x8000], 0x8000);
+ // memmove converted: Different addresses, or identical for blocks[i] == blocks[j] [Neb]
+ // DS2 DMA notes: Don't do DMA at all if blocks[i] == blocks[j]
+ memcpy (&base [blocks [j] * 0x8000],
&base [blocks [i] * 0x8000], 0x8000);
- memmove (&base [blocks [i] * 0x8000], tmp, 0x8000);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (&base [blocks [i] * 0x8000], tmp, 0x8000);
uint8 b = blocks [j];
blocks [j] = blocks [i];
blocks [i] = b;
@@ -250,13 +255,18 @@ void S9xDeinterleaveGD24(int TotalFileSize, uint8 * base)
SET_UI_COLOR(0,255,255);
}
+ // DS2 DMA notes: base may or may not be 32-byte aligned
uint8 *tmp = (uint8 *) malloc (0x80000);
if (tmp)
{
- memmove(tmp, &base[0x180000], 0x80000);
- memmove(&base[0x180000], &base[0x200000], 0x80000);
- memmove(&base[0x200000], &base[0x280000], 0x80000);
- memmove(&base[0x280000], tmp, 0x80000);
+ // memmove converted: Different mallocs [Neb]
+ memcpy(tmp, &base[0x180000], 0x80000);
+ // memmove converted: Different addresses [Neb]
+ memcpy(&base[0x180000], &base[0x200000], 0x80000);
+ // memmove converted: Different addresses [Neb]
+ memcpy(&base[0x200000], &base[0x280000], 0x80000);
+ // memmove converted: Different mallocs [Neb]
+ memcpy(&base[0x280000], tmp, 0x80000);
free ((char *) tmp);
S9xDeinterleaveType1(TotalFileSize, base);
@@ -399,10 +409,13 @@ char *CMemory::Safe (const char *s)
/**********************************************************************************************/
bool8 CMemory::Init ()
{
+ // DS2 DMA notes: These would do well to be allocated with 32 extra bytes
+ // so they can be 32-byte aligned. [Neb]
RAM = (uint8 *) malloc (0x20000);
SRAM = (uint8 *) malloc (0x20000);
VRAM = (uint8 *) malloc (0x10000);
ROM = (uint8 *) malloc (MAX_ROM_SIZE + 0x200 + 0x8000);
+ // DS2 DMA notes: Can this be sped up with DMA from a block of zeroes? [Neb]
memset (RAM, 0, 0x20000);
memset (SRAM, 0, 0x20000);
memset (VRAM, 0, 0x10000);
@@ -453,7 +466,8 @@ bool8 CMemory::Init ()
SuperFX.nRomBanks = (2 * 1024 * 1024) / (32 * 1024);
SuperFX.pvRom = (uint8 *) ROM;
#endif
-
+
+ // DS2 DMA notes: Can this be sped up with DMA from a block of zeroes? [Neb]
ZeroMemory (IPPU.TileCache [TILE_2BIT], MAX_2BIT_TILES * 128);
ZeroMemory (IPPU.TileCache [TILE_4BIT], MAX_4BIT_TILES * 128);
ZeroMemory (IPPU.TileCache [TILE_8BIT], MAX_8BIT_TILES * 128);
@@ -627,6 +641,8 @@ again:
((hi_score > lo_score && ScoreHiROM (TRUE) > hi_score) ||
(hi_score <= lo_score && ScoreLoROM (TRUE) > lo_score)))
{
+ // memmove required: Overlapping addresses [Neb]
+ // DS2 DMA notes: Can be split into 512-byte DMA blocks [Neb]
memmove (Memory.ROM, Memory.ROM + 512, TotalFileSize - 512);
TotalFileSize -= 512;
S9xMessage (S9X_INFO, S9X_HEADER_WARNING,
@@ -871,6 +887,7 @@ uint32 CMemory::FileLoader (uint8* buffer, const char* filename, int32 maxsize)
_makepath (fname, drive, dir, name, ext);
#ifdef __WIN32__
+ // memmove required: Overlapping addresses [Neb]
memmove (&ext [0], &ext[1], 4);
#endif
@@ -936,11 +953,13 @@ uint32 CMemory::FileLoader (uint8* buffer, const char* filename, int32 maxsize)
FileSize = fread (ptr, 1, maxsize + 0x200 - (ptr - ROM), ROMFile);
fclose (ROMFile);
- int calc_size = (FileSize / 0x2000) * 0x2000;
+ int calc_size = FileSize & ~0x1FFF; // round to the lower 0x2000
if ((FileSize - calc_size == 512 && !Settings.ForceNoHeader) ||
Settings.ForceHeader)
{
+ // memmove required: Overlapping addresses [Neb]
+ // DS2 DMA notes: Can be split into 512-byte DMA blocks [Neb]
memmove (ptr, ptr + 512, calc_size);
HeaderCount++;
FileSize -= 512;
@@ -958,6 +977,7 @@ uint32 CMemory::FileLoader (uint8* buffer, const char* filename, int32 maxsize)
more = TRUE;
ext [0]++;
#ifdef __WIN32__
+ // memmove required: Overlapping addresses [Neb]
memmove (&ext [1], &ext [0], 4);
ext [0] = '.';
#endif
@@ -972,6 +992,7 @@ uint32 CMemory::FileLoader (uint8* buffer, const char* filename, int32 maxsize)
more = TRUE;
name [len - 1]++;
#ifdef __WIN32__
+ // memmove required: Overlapping addresses [Neb]
memmove (&ext [1], &ext [0], 4);
ext [0] = '.';
#endif
@@ -1180,7 +1201,8 @@ void S9xDeinterleaveType2 (bool8 reset)
blocks [i] = (i & ~0xF) | ((i & 3) << 2) |
((i & 12) >> 2);
}
-
+
+ // DS2 DMA notes: ROM needs to be 32-byte aligned [Neb]
uint8 *tmp = (uint8 *) malloc (0x10000);
if (tmp)
@@ -1191,10 +1213,14 @@ void S9xDeinterleaveType2 (bool8 reset)
{
if (blocks [j] == i)
{
- memmove (tmp, &Memory.ROM [blocks [j] * 0x10000], 0x10000);
- memmove (&Memory.ROM [blocks [j] * 0x10000],
+ // memmove converted: Different mallocs [Neb]
+ memcpy (tmp, &Memory.ROM [blocks [j] * 0x10000], 0x10000);
+ // memmove converted: Different addresses, or identical if blocks[i] == blocks[j] [Neb]
+ // DS2 DMA notes: Don't do DMA at all if blocks[i] == blocks[j] [Neb]
+ memcpy (&Memory.ROM [blocks [j] * 0x10000],
&Memory.ROM [blocks [i] * 0x10000], 0x10000);
- memmove (&Memory.ROM [blocks [i] * 0x10000], tmp, 0x10000);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (&Memory.ROM [blocks [i] * 0x10000], tmp, 0x10000);
uint8 b = blocks [j];
blocks [j] = blocks [i];
blocks [i] = b;
@@ -1605,6 +1631,8 @@ bool8 CMemory::LoadSRAM (const char *filename)
if (len - size == 512)
{
// S-RAM file has a header - remove it
+ // memmove required: Overlapping addresses [Neb]
+ // DS2 DMA notes: Can be split into 512-byte DMA blocks [Neb]
memmove (::SRAM, ::SRAM + 512, size);
}
if (len == size + SRTC_SRAM_PAD)
@@ -1705,7 +1733,8 @@ void CMemory::ResetSpeedMap()
void CMemory::WriteProtectROM ()
{
- memmove ((void *) WriteMap, (void *) Map, sizeof (Map));
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((void *) WriteMap, (void *) Map, sizeof (Map));
for (int c = 0; c < 0x1000; c++)
{
if (BlockIsROM [c])
@@ -2545,8 +2574,10 @@ void CMemory::SuperFXROMMap ()
// block is repeated twice in each 64K block.
for (c = 0; c < 64; c++)
{
- memmove (&ROM [0x200000 + c * 0x10000], &ROM [c * 0x8000], 0x8000);
- memmove (&ROM [0x208000 + c * 0x10000], &ROM [c * 0x8000], 0x8000);
+ // memmove converted: Different addresses [Neb]
+ memcpy (&ROM [0x200000 + c * 0x10000], &ROM [c * 0x8000], 0x8000);
+ // memmove converted: Different addresses [Neb]
+ memcpy (&ROM [0x208000 + c * 0x10000], &ROM [c * 0x8000], 0x8000);
}
WriteProtectROM ();
@@ -2612,8 +2643,10 @@ void CMemory::SA1ROMMap ()
WriteProtectROM ();
// Now copy the map and correct it for the SA1 CPU.
- memmove ((void *) SA1.WriteMap, (void *) WriteMap, sizeof (WriteMap));
- memmove ((void *) SA1.Map, (void *) Map, sizeof (Map));
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((void *) SA1.WriteMap, (void *) WriteMap, sizeof (WriteMap));
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((void *) SA1.Map, (void *) Map, sizeof (Map));
// Banks 00->3f and 80->bf
for (c = 0; c < 0x400; c += 16)
@@ -3025,8 +3058,10 @@ void CMemory::GNextROMMap ()
WriteProtectROM ();
// Now copy the map and correct it for the SA1 CPU.
- memmove ((void *) SA1.WriteMap, (void *) WriteMap, sizeof (WriteMap));
- memmove ((void *) SA1.Map, (void *) Map, sizeof (Map));
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((void *) SA1.WriteMap, (void *) WriteMap, sizeof (WriteMap));
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((void *) SA1.Map, (void *) Map, sizeof (Map));
// Banks 00->3f and 80->bf
for (c = 0; c < 0x400; c += 16)
@@ -4385,9 +4420,11 @@ void CMemory::ParseSNESHeader(uint8* RomHeader)
ROMChecksum = RomHeader [0x2e] + (RomHeader [0x2f] << 8);
ROMComplementChecksum = RomHeader [0x2c] + (RomHeader [0x2d] << 8);
ROMRegion= RomHeader[0x29];
- memmove (ROMId, &RomHeader [0x2], 4);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (ROMId, &RomHeader [0x2], 4);
if(RomHeader[0x2A]==0x33)
- memmove (CompanyId, &RomHeader [0], 2);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (CompanyId, &RomHeader [0], 2);
else sprintf(CompanyId, "%02X", RomHeader[0x2A]);
}
diff --git a/source/sa1.cpp b/source/sa1.cpp
index 4dbf9b0..addeed7 100644
--- a/source/sa1.cpp
+++ b/source/sa1.cpp
@@ -742,7 +742,8 @@ void S9xSetSA1 (uint8 byte, uint32 address)
if ((Memory.FillRAM [0x2230] & 0xb0) == 0xa0)
{
// Char conversion 2 DMA enabled
- memmove (&Memory.ROM [CMemory::MAX_ROM_SIZE - 0x10000] + SA1.in_char_dma * 16,
+ // memmove converted: Same malloc but constant non-overlapping addresses [Neb]
+ memcpy (&Memory.ROM [CMemory::MAX_ROM_SIZE - 0x10000] + SA1.in_char_dma * 16,
&Memory.FillRAM [0x2240], 16);
SA1.in_char_dma = (SA1.in_char_dma + 1) & 7;
if ((SA1.in_char_dma & 3) == 0)
@@ -895,6 +896,7 @@ static void S9xSA1DMA ()
len &= 0x3ff;
d = &Memory.FillRAM [0x3000] + dst;
}
+ // memmove required: Can overlap arbitrarily [Neb]
memmove (d, s, len);
Memory.FillRAM [0x2301] |= 0x20;
diff --git a/source/snaporig.cpp b/source/snaporig.cpp
index ac2045c..62674f2 100644
--- a/source/snaporig.cpp
+++ b/source/snaporig.cpp
@@ -313,12 +313,14 @@ static int ReadOrigSnapshot (STREAM snap)
PPU.OBJSizeSelect = OrigPPU.OBJSizeSelect;
PPU.OBJNameBase = OrigPPU.OBJNameBase;
PPU.OAMReadFlip = OrigPPU.OAMReadFlip;
- memmove (PPU.OAMData, OrigPPU.OAMData, sizeof (PPU.OAMData));
+ // memmove converted: Different data segments [Neb]
+ memcpy (PPU.OAMData, OrigPPU.OAMData, sizeof (PPU.OAMData));
PPU.VTimerEnabled = OrigPPU.VTimerEnabled;
PPU.HTimerEnabled = OrigPPU.HTimerEnabled;
PPU.HTimerPosition = OrigPPU.HTimerPosition;
PPU.Mosaic = OrigPPU.Mosaic;
- memmove (PPU.BGMosaic, OrigPPU.BGMosaic, sizeof (PPU.BGMosaic));
+ // memmove converted: Different data segments [Neb]
+ memcpy (PPU.BGMosaic, OrigPPU.BGMosaic, sizeof (PPU.BGMosaic));
PPU.Mode7HFlip = OrigPPU.Mode7HFlip;
PPU.Mode7VFlip = OrigPPU.Mode7VFlip;
PPU.Mode7Repeat = OrigPPU.Mode7Repeat;
diff --git a/source/snapshot.cpp b/source/snapshot.cpp
index ad9b131..c414dc2 100644
--- a/source/snapshot.cpp
+++ b/source/snapshot.cpp
@@ -1036,7 +1036,8 @@ void FreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
}
break;
case uint8_ARRAY_V:
- memmove (ptr, (uint8 *) base + fields [i].offset, fields [i].size);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (ptr, (uint8 *) base + fields [i].offset, fields [i].size);
ptr += fields [i].size;
break;
case uint16_ARRAY_V:
@@ -1139,7 +1140,8 @@ int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
}
break;
case uint8_ARRAY_V:
- memmove ((uint8 *) base + fields [i].offset, ptr, fields [i].size);
+ // memmove converted: Different mallocs [Neb]
+ memcpy ((uint8 *) base + fields [i].offset, ptr, fields [i].size);
ptr += fields [i].size;
break;
case uint16_ARRAY_V:
@@ -1264,6 +1266,7 @@ void UnfreezeStructFromCopy (void *base, FreezeData *fields, int num_fields, uin
}
break;
case uint8_ARRAY_V:
+ // memmove required: Source could point within dest [Neb]
memmove ((uint8 *) base + fields [i].offset, ptr, fields [i].size);
ptr += fields [i].size;
break;
@@ -1581,7 +1584,8 @@ bool8 S9xUnfreezeZSNES (const char *filename)
APU.Timer [1] = t [45];
APU.Timer [2] = t [46];
- memmove (APU.ExtraRAM, &t [48], 64);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (APU.ExtraRAM, &t [48], 64);
// Internal ZSNES sound DSP state
fread (t, 1, 1068, fs);
@@ -1657,7 +1661,9 @@ bool8 S9xUnfreezeZSNES (const char *filename)
SA1.Registers.PC = READ_DWORD (&t [636]);
SA1.Registers.P.W = t [620] | (t [624] << 8);
- memmove (&Memory.FillRAM [0x3000], t + 692, 2 * 1024);
+ // memmove converted: Different mallocs [Neb]
+ // DS2 DMA notes: This code path is not used [Neb]
+ memcpy (&Memory.FillRAM [0x3000], t + 692, 2 * 1024);
fread (::SRAM, 1, 64 * 1024, fs);
fseek (fs, 64 * 1024, SEEK_CUR);
diff --git a/source/srtc.cpp b/source/srtc.cpp
index 48add97..0e6f30e 100644
--- a/source/srtc.cpp
+++ b/source/srtc.cpp
@@ -525,12 +525,14 @@ void S9xSRTCPreSaveState ()
SRAM [s + 0] = rtc.needs_init;
SRAM [s + 1] = rtc.count_enable;
- memmove (&SRAM [s + 2], rtc.data, MAX_RTC_INDEX + 1);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (&SRAM [s + 2], rtc.data, MAX_RTC_INDEX + 1);
SRAM [s + 3 + MAX_RTC_INDEX] = rtc.index;
SRAM [s + 4 + MAX_RTC_INDEX] = rtc.mode;
#ifdef LSB_FIRST
- memmove (&SRAM [s + 5 + MAX_RTC_INDEX], &rtc.system_timestamp, 8);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (&SRAM [s + 5 + MAX_RTC_INDEX], &rtc.system_timestamp, 8);
#else
SRAM [s + 5 + MAX_RTC_INDEX] = (uint8) (rtc.system_timestamp >> 0);
SRAM [s + 6 + MAX_RTC_INDEX] = (uint8) (rtc.system_timestamp >> 8);
@@ -555,12 +557,14 @@ void S9xSRTCPostLoadState ()
rtc.needs_init = SRAM [s + 0];
rtc.count_enable = SRAM [s + 1];
- memmove (rtc.data, &SRAM [s + 2], MAX_RTC_INDEX + 1);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (rtc.data, &SRAM [s + 2], MAX_RTC_INDEX + 1);
rtc.index = SRAM [s + 3 + MAX_RTC_INDEX];
rtc.mode = SRAM [s + 4 + MAX_RTC_INDEX];
#ifdef LSB_FIRST
- memmove (&rtc.system_timestamp, &SRAM [s + 5 + MAX_RTC_INDEX], 8);
+ // memmove converted: Different mallocs [Neb]
+ memcpy (&rtc.system_timestamp, &SRAM [s + 5 + MAX_RTC_INDEX], 8);
#else
rtc.system_timestamp |= (SRAM [s + 5 + MAX_RTC_INDEX] << 0);
rtc.system_timestamp |= (SRAM [s + 6 + MAX_RTC_INDEX] << 8);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 02:34:43 +0000