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Added em_use

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1719 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2002-12-05 18:57:53 +00:00
parent e4d25caa56
commit f7244c4e19
12 changed files with 100 additions and 13 deletions
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9
include/em.h
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@@ -90,6 +90,15 @@ void* __fastcall__ em_map (unsigned page);
* em_commit, the old contents of the memory window may be lost!
*/
void* __fastcall__ em_use (unsigned page);
/* Tell the driver that the memory window is associated with a given page.
* This call is very similar to em_map. The difference is that the driver
* does not necessarily transfer the current contents of the extended
* memory into the returned window. If you're going to just write to the
* window and the current contents of the window are invalid or no longer
* use, this call may perform better than em_map.
*/
void __fastcall__ em_commit (void);
/* Commit changes in the memory window to extended storage. If the contents
* of the memory window have been changed, these changes may be lost if