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MSU ECE 3724 - Functions available for Writing to the Video Display

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Functions available for Writing to the Video DisplayIrvine32 Library Video FunctionDOS Video Functions (INT 21h) Place function number in ah before calling INT21hBIOS Functions (INT 10h) Place function number in ah before calling INT10hWhere to Find the DetailsFunctions available for Writing to the Video Display•Three different ways to write to the display–Irvine library functions–DOS Video Functions (Interrupt 21h)–BIOS Video Functions (Interrupt 10h)Irvine32 Library Video Function•Clrscr •Crlf•DumpMem•DumpRegs•GotoXY•SetTextColor•WriteBin•WriteChar•WriteDec•WriteHex•WriteInt•WriteStringDOS Video Functions (INT 21h)Place function number in ah before calling INT21h•02- Display char in DL•06- Direct console I/O •If DL = FF, read a waiting character from standard input•If DL = any other value, write the character in DL to standard output.•09- Display string pointed to by DS:DXBIOS Functions (INT 10h)Place function number in ah before calling INT10h•00- Set video mode•0F- Get current video mode•02- Set Cursor Position•03- Get Cursor Position•05- Select video page•06- Scroll window up•07- Scroll window down•08- Read char at current cursor position•09- Display char and attribute at current position •0A- Display char-no attribute•0E- Display char-advance cursor•0B- Set color palette•0C-Write graphics pixel•0D- Read graphics pixelWhere to Find the Details•Irvine32 library functions–Table 5.1 (page 140 – details listed after table)– Slide with listings •DOS Video Functions–Table C-2 (page 652)–Slides with listings •BIOS Video Functions–Table C-3 (page 657)–Section 15.3 of Irvine


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MSU ECE 3724 - Functions available for Writing to the Video Display

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