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Unsigned/Signed comparison fix

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1195
This commit is contained in:
Sjoerd van der Berg 2003-08-22 08:10:53 +00:00
parent c2d6a1e2c4
commit 07abb99dce
1 changed files with 2 additions and 2 deletions
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4
src/ints/ems.cpp
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@ -33,7 +33,7 @@
#define EMM_PAGEFRAME 0xE000
#define EMM_PAGEFRAME4K ((EMM_PAGEFRAME*16)/4096)
#define EMM_MAX_HANDLES 50 /* 255 Max */
#define EMM_PAGE_SIZE (16*1024)
#define EMM_PAGE_SIZE (16*1024U)
#define EMM_MAX_PAGES (32 * 1024 / 16 )
#define EMM_MAX_PHYS 4 /* 4 16kb pages in pageframe */
@ -356,7 +356,7 @@ static Bit8u MemoryRegion(void) {
src_mem=region.src_page_seg*16+region.src_offset;
} else {
if (!ValidHandle(region.src_handle)) return EMM_INVALID_HANDLE;
if (emm_handles[region.src_handle].pages*EMM_PAGE_SIZE < (region.src_page_seg*EMM_PAGE_SIZE)+region.src_offset+region.bytes) return EMM_LOG_OUT_RANGE;
if ((emm_handles[region.src_handle].pages*EMM_PAGE_SIZE) < ((region.src_page_seg*EMM_PAGE_SIZE)+region.src_offset+region.bytes)) return EMM_LOG_OUT_RANGE;
src_handle=emm_handles[region.src_handle].mem;
Bitu pages=region.src_page_seg*4+(region.src_offset/MEM_PAGE_SIZE);
for (;pages>0;pages--) src_handle=MEM_NextHandle(src_handle);