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[NTVDM]: Fix INT 10h, AH=09h/0Ah by correctly advancing the write position (but scrolling is not supported in those functions), and make VidBiosDrawGlyph support using or not the attribute byte (for text modes only).
svn path=/trunk/; revision=68088
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07d842f6c6
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@ -2561,7 +2561,7 @@ static BOOLEAN VidBiosSetVideoPage(BYTE PageNumber)
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return TRUE;
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}
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static VOID VidBiosDrawGlyph(WORD CharData, BYTE Page, BYTE Row, BYTE Column)
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static VOID VidBiosDrawGlyph(WORD CharData, BOOLEAN UseAttr, BYTE Page, BYTE Row, BYTE Column)
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{
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switch (Bda->VideoMode)
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{
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@ -2576,8 +2576,7 @@ static VOID VidBiosDrawGlyph(WORD CharData, BYTE Page, BYTE Row, BYTE Column)
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Page * Bda->VideoPageSize +
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(Row * Bda->ScreenColumns + Column) * sizeof(WORD)),
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(LPVOID)&CharData,
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sizeof(WORD));
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UseAttr ? sizeof(WORD) : sizeof(BYTE));
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break;
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}
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@ -2831,7 +2830,7 @@ static VOID VidBiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page)
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/* Erase the existing character */
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CharData = MAKEWORD(' ', Attribute);
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VidBiosDrawGlyph(CharData, Page, Row, Column);
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VidBiosDrawGlyph(CharData, TRUE, Page, Row, Column);
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}
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else if (Character == '\t')
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{
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@ -2857,10 +2856,8 @@ static VOID VidBiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page)
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{
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/* Default character */
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/* Write the character */
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VidBiosDrawGlyph(CharData, Page, Row, Column);
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/* Advance the cursor */
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/* Write the character and advance the cursor */
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VidBiosDrawGlyph(CharData, TRUE, Page, Row, Column);
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Column++;
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}
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@ -2957,7 +2954,7 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
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/* Read Character and Attribute at Cursor Position */
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case 0x08:
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{
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WORD CharacterData;
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WORD CharData;
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BYTE Page = getBH();
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DWORD Offset;
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@ -2972,11 +2969,11 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
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/* Read from the video memory */
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EmulatorReadMemory(&EmulatorContext,
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TO_LINEAR(TEXT_VIDEO_SEG, Offset),
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(LPVOID)&CharacterData,
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(LPVOID)&CharData,
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sizeof(WORD));
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/* Return the character data in AX */
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setAX(CharacterData);
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setAX(CharData);
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break;
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}
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@ -2986,21 +2983,40 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
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/* Write Character only (PCjr: + Attribute) at Cursor Position */
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case 0x0A:
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{
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WORD CharacterData = MAKEWORD(getAL(), getBL());
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BYTE Page = getBH();
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DWORD Counter = getCX();
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WORD Counter = getCX();
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WORD CharData = MAKEWORD(getAL(), getBL());
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BOOLEAN UseAttr = (getAH() == 0x09);
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BYTE Page = getBH();
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BYTE Row, Column;
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/* Check if the page exists */
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if (Page >= BIOS_MAX_PAGES) break;
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/* Get the cursor location */
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// VidBiosGetCursorPosition(&Row, &Column, Page);
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Row = HIBYTE(Bda->CursorPosition[Page]);
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Column = LOBYTE(Bda->CursorPosition[Page]);
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/* Write to video memory a certain number of times */
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while (Counter > 0)
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while (Counter-- > 0)
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{
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VidBiosDrawGlyph(CharacterData,
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CharacterData,
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HIBYTE(Bda->CursorPosition[Page]),
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LOBYTE(Bda->CursorPosition[Page]));
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Counter--;
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/* Write the character and advance the position */
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VidBiosDrawGlyph(CharData, UseAttr, Page, Row, Column);
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Column++;
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/* Check if it passed the end of the row */
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if (Column >= Bda->ScreenColumns)
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{
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/* Return to the first column and go to the next line */
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Column = 0;
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Row++;
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}
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/* Contrary to the "Teletype Output" function, the screen is not scrolled */
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if (Row > Bda->ScreenRows)
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{
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Row = Bda->ScreenRows;
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}
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}
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break;
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