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Diffstat (limited to 'src/frontend/mame/luaengine.cpp')
-rw-r--r--src/frontend/mame/luaengine.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/frontend/mame/luaengine.cpp b/src/frontend/mame/luaengine.cpp
index 8e7ad2665be..4f44c3ad9d4 100644
--- a/src/frontend/mame/luaengine.cpp
+++ b/src/frontend/mame/luaengine.cpp
@@ -1171,7 +1171,7 @@ void lua_engine::initialize()
item_type.set("read", [this](save_item &item, int offset) -> sol::object {
if(!item.base || (offset >= item.count))
return sol::make_object(sol(), sol::nil);
- const void *const data = reinterpret_cast<const uint8_t *>(item.base) + (item.size * item.stride * (offset / item.valcount));
+ const void *const data = reinterpret_cast<const uint8_t *>(item.base) + (item.stride * (offset / item.valcount));
uint64_t ret = 0;
switch(item.size)
{
@@ -1199,7 +1199,6 @@ void lua_engine::initialize()
else
{
const uint32_t blocksize = item.size * item.valcount;
- const uint32_t bytestride = item.size * item.stride;
uint32_t remaining = buff->get_len();
uint8_t *dest = reinterpret_cast<uint8_t *>(buff->get_ptr());
while(remaining)
@@ -1207,7 +1206,7 @@ void lua_engine::initialize()
const uint32_t blockno = offset / blocksize;
const uint32_t available = blocksize - (offset % blocksize);
const uint32_t chunk = (available < remaining) ? available : remaining;
- const void *const source = reinterpret_cast<const uint8_t *>(item.base) + (blockno * bytestride) + (offset % blocksize);
+ const void *const source = reinterpret_cast<const uint8_t *>(item.base) + (blockno * item.stride) + (offset % blocksize);
std::memcpy(dest, source, chunk);
offset += chunk;
remaining -= chunk;
@@ -1219,7 +1218,7 @@ void lua_engine::initialize()
item_type.set("write", [](save_item &item, int offset, uint64_t value) {
if(!item.base || (offset >= item.count))
return;
- void *const data = reinterpret_cast<uint8_t *>(item.base) + (item.size * item.stride * (offset / item.valcount));
+ void *const data = reinterpret_cast<uint8_t *>(item.base) + (item.stride * (offset / item.valcount));
switch(item.size)
{
case 1: