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AX = 8101h ES:DI -> buffer for application function table (see #00369) CX = length of buffer in bytes
Return:
AX = 1954h if installed BH = highest VFOSSIL application function supported
Note: The number of initialized pointers in the application function table will never exceed CX/4; if the buffer is large enough, BH+1 pointers will be initialized
See Also: AX=8102h
Format of VFOSSIL application function table: Offset Size Description (Table 00369) 00h DWORD -> function to query current video mode (VioGetMode)(see #00374) 04h DWORD -> function to set video mode (VioSetMode) (see #00375) 08h DWORD -> function to query hardware config (VioGetConfig) (see #00376) 0Ch DWORD -> function to write data in TTY mode (VioWrtTTY) (see #00377) 10h DWORD -> function to get current ANSI state (VioGetANSI) (see #00378) 14h DWORD -> function to set new ANSI state (VioSetANSI) (see #00379) 18h DWORD -> function to get curr cursor position (VioGetCurPos) (see #00380) 1Ch DWORD -> function to set cursor position (VioSetCurPos) (see #00381) 20h DWORD -> function to get cursor shape (VioGetCurType) (see #00382) 24h DWORD -> function to set cursor shape (VioSetCurType) (see #00383) 28h DWORD -> function to scroll screen up (VioScrollUp) (see #00384) 2Ch DWORD -> function to scroll screen down (VioScrollDn) (see #00385) 30h DWORD -> function to read cell string from screen (VioReadCellStr) (see #00386) 34h DWORD -> function to read char string from screen (VioReadCharStr) (see #00387) 38h DWORD -> function to write a cell string (VioWrtCellStr) (see #00388) 3Ch DWORD -> function to write char string, leaving attr (VioWrtCharStr) (see #00389) 40h DWORD -> function to write char string,const attr (VioWrtCharStrAttr) (see #00390) 44h DWORD -> function to replicate an attribute (VioWrtNAttr) (see #00391) 48h DWORD -> function to replicate a cell (VioWrtNCell) (see #00392) 4Ch DWORD -> function to replicate a character (VioWrtNChar) (see #00393)
Format of VFOSSIL video mode data structure: Offset Size Description (Table 00370) 00h WORD length of structure including this field 02h BYTE mode characteristics
bit 0:
Clear if MDA, set otherwisebit 1:
Graphics modebit 2:
Color disabled (black-and-white) 03h BYTE number of colors supported (1=2 colors, 4=16 colors, etc) 04h WORD number of text columns 06h WORD number of text rows 08h WORD reserved 0Ah WORD reserved 0Ch DWORD reserved
See Also: #00374 - #00375
Format of VFOSSIL video configuration data: Offset Size Description (Table 00371) 00h WORD structure length including this field 02h WORD adapter type 00h monochrome/printer 01h CGA 02h EGA 03h VGA 07h 8514/A 04h WORD display type 00h monochrome 01h color 02h enhanced color 09h 8514 06h DWORD adapter memory size
See Also: #00376
Format of VFOSSIL cursor type record: Offset Size Description (Table 00372) 00h WORD cursor start line 02h WORD cursor end line 04h WORD cursor width (always 01h) 06h WORD cursor attribute (FFFFh = hidden)
(Table 00373) Values for VFOSSIL error code: 0000h successful 0074h internal VIO failure 0163h unsupported mode 0166h invalid row value 0167h invalid column value 017Eh buffer too small 01A5h invalid VIO parameter 01B4h invalid VIO handle
(Table 00374) Call VioGetMode with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to video mode data structure (see #00370)
Return:
AX = error code (00h, 74h, 17Eh, 1B4h) (see #00373)
See Also: #00375
(Table 00375) Call VioSetMode with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to video mode data structure (see #00370)
Return:
AX = error code (00h, 74h, 163h, 17Eh, 1A5h, 1B4h) (see #00373)
See Also: #00374
(Table 00376) Call VioGetConfig with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to video configuration data buffer (see #00371)
Return:
AX = error code (00h, 74h, 17Eh, 1B4h) (see #00373)(Table 00377) Call VioWrtTTY with:.
STACK:
WORD VIO handle (must be 00h) WORD length of string DWORD pointer to character string to be written to screen
Return:
AX = error code (00h, 74h, 1B4h) (see #00373)
Notes: Write wraps at end of line and terminates if it reaches end of screen. In ANSI mode, ANSI control sequences are interpreted, and this func is not required to be reentrant; in non-ANSI mode, the function is reentrant and may be called from within an MS-DOS function call
(Table 00378) Call VioGetANSI with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to WORD which will be set to 00h if ANSI is off or 01h if ANSI is on
Return:
AX = error code (00h, 74h, 1B4h) (see #00373)
See Also: #00379
(Table 00379) Call VioSetANSI with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to WORD indicating new state of ANSI 00h off, 01h on
Return:
AX = error code (00h, 74h, 1A4h, 1B4h) (see #00373)
See Also: #00378
(Table 00380) Call VioGetCurPos with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to WORD to hold current cursor column (0-based) DWORD pointer to WORD to hold current cursor row (0-based)
Return:
AX = error code (00h, 74h, 1B4h) (see #00373)
See Also: #00381
(Table 00381) Call VioSetCurPos with:.
STACK:
WORD VIO handle (must be 00h) WORD cursor column WORD cursor row
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: If either coordinate is invalid, the cursor is not moved
See Also: #00380
(Table 00382) Call VioGetCurType with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to cursor type record (see #00372)
Return:
AX = error code (00h, 74h, 1B4h) (see #00373)
See Also: #00383
(Table 00383) Call VioSetCurType with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to cursor type record (see #00372)
Return:
AX = error code (00h, 74h, 1A4h, 1B4h) (see #00373)
See Also: #00384
(Table 00384) Call VioScrollUp with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to char/attr cell for filling emptied rows WORD number or rows to scroll (FFFFh = clear area) WORD right column of scroll area WORD bottom row of scroll area WORD left column of scroll area WORD top row of scroll area
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
See Also: #00385 - INT 10/AH=06h
(Table 00385) Call VioScrollDn with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to char/attr cell for filling emptied rows WORD number or rows to scroll (FFFFh = clear area) WORD right column of scroll area WORD bottom row of scroll area WORD left column of scroll area WORD top row of scroll area
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
See Also: #00384 - INT 10/AH=07h
(Table 00386) Call VioReadCellStr with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start reading WORD row at which to start reading DWORD pointer to WORD containing length of buffer in bytes on return, WORD contains number of bytes actually read DWORD pointer to buffer for cell string
Return:
AX = error code (00h, 74h, 166h ,167h, 1B4h) (see #00373)(Table 00387) Call VioReadCharStr with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start reading WORD row at which to start reading DWORD pointer to WORD containing length of buffer in bytes on return, WORD contains number of bytes actually read DWORD pointer to buffer for character string
Return:
AX = error code (00h, 74h, 166h ,167h, 1B4h) (see #00373)(Table 00388) Call VioWrtCellStr with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD length of cell string in bytes DWORD pointer to cell string to write
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
(Table 00389) Call VioWrtCharStr with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD length of character string DWORD pointer to character string to write
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
(Table 00390) Call VioWrtCharStrAttr with:.
STACK:
WORD VIO handle (must be 00h) DWORD pointer to attribute to be applied to each character WORD column at which to start writing WORD row at which to start writing WORD length of character string DWORD pointer to character string to write
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
(Table 00391) Call VioWrtNAttr with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write attribute DWORD pointer to display attribute to replicate
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
(Table 00392) Call VioWrtNCell with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write cell DWORD pointer to cell to replicate
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
(Table 00393) Call VioWrtNChar with:.
STACK:
WORD VIO handle (must be 00h) WORD column at which to start writing WORD row at which to start writing WORD number of times to write character DWORD pointer to character to replicate
Return:
AX = error code (00h, 74h, 166h, 167h, 1B4h) (see #00373)
Note: Write wraps at end of line and terminates if it reaches end of screen
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