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Fix: 80-column video mode wasn't being detected as needing an update, when FLASH chars only existed in AUX text pages.

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This commit is contained in:
tomcw 2014-09-15 22:47:50 +01:00
parent 8c019bcd35
commit efd2e4405a
1 changed files with 10 additions and 9 deletions
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19
source/Video.cpp
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@ -1940,12 +1940,12 @@ BOOL VideoApparentlyDirty ()
//
bool bCharFlashing = false;
// Scan visible text page for any flashing chars
if((SW_TEXT || SW_MIXED) && (g_nAltCharSetOffset == 0))
{
BYTE* pnMemText = MemGetMainPtr(0x400 << (SW_PAGE2 ? 1 : 0));
BYTE* pTextBank0 = MemGetMainPtr(0x400 << (SW_PAGE2 ? 1 : 0));
BYTE* pTextBank1 = MemGetAuxPtr (0x400 << (SW_PAGE2 ? 1 : 0));
const bool b80Col = SW_80COL;
// Scan 8 long-lines of 120 chars (at 128 char offsets):
// . Skip 8-char holes in TEXT
@ -1953,19 +1953,20 @@ BOOL VideoApparentlyDirty ()
{
for(UINT x=0; x<40*3; x++)
{
BYTE ch = pnMemText[y*128+x];
BYTE ch = pTextBank0[y*128+x];
if((ch >= 0x40) && (ch <= 0x7F))
return 1;
if (b80Col)
{
bCharFlashing = true;
break;
ch = pTextBank1[y*128+x];
if((ch >= 0x40) && (ch <= 0x7F))
return 1;
}
}
}
}
if(bCharFlashing)
return 1;
return 0;
}