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[NTVDM]

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Simplify the code

svn path=/branches/ntvdm/; revision=59730
This commit is contained in:
Hermès Bélusca-Maïto 2013-08-13 20:15:24 +00:00
parent 0c3e20ab89
commit 738d02adf2
1 changed files with 4 additions and 9 deletions
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13
subsystems/ntvdm/bios.c
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@ -429,8 +429,12 @@ BOOLEAN BiosSetVideoMode(BYTE ModeNumber)
BOOLEAN BiosSetVideoPage(BYTE PageNumber)
{
/* Check if the page exists */
if (PageNumber >= BIOS_MAX_PAGES) return FALSE;
/* Check if this is the same page */
if (PageNumber == Bda->VideoPage) return TRUE;
/* Set the values in the BDA */
Bda->VideoPage = PageNumber;
Bda->VideoPageSize = BIOS_PAGE_SIZE;
@ -744,7 +748,6 @@ VOID BiosVideoService(LPWORD Stack)
{
BiosSetVideoMode(LOBYTE(Eax));
VgaClearMemory();
break;
}
@ -800,15 +803,7 @@ VOID BiosVideoService(LPWORD Stack)
/* Select Active Display Page */
case 0x05:
{
/* Check if the page exists */
if (LOBYTE(Eax) >= BIOS_MAX_PAGES) break;
/* Check if this is the same page */
if (LOBYTE(Eax) == Bda->VideoPage) break;
/* Change the video page */
BiosSetVideoPage(LOBYTE(Eax));
break;
}