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Values for MODE 00h (set or display values) "WINDOW STREAM" opcodes

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Opcode Arguments
Size Description

00h

 display 20h blanks with the default attribute

01h - 1Fh

 display OPCODE blanks with the default attribute

20h

 display char with default attribute 20h times

BYTE

 char to repeat

21h - 3Fh

 display char with default attribute OPCODE-20h times

BYTE

 char to repeat

40h

 display 20h blanks with specified attribute

BYTE

attribute of blanks

41h - 5Fh

 display OPCODE-40h blanks with specified attribute

BYTE

 attribute of blanks

60h

 display next 20h characters

20h BYTEs

 characters to display

61h - 7Fh

 display next OPCODE-60h characters

N BYTEs

 characters to display

80h - 87h

 display N blanks with default attribute

BYTE

 low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE) [000h means 800h]

88h - 8Fh

 display N copies of the character

BYTE

 low 8 bits of 11-bit count (high 3 in low 3 bits of OPCODE) [000h means 800h]

BYTE

 character to repeat

90h - 97h

 display N blanks with specified attribute

BYTE

 low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE) [000h means 800h]

BYTE

 attribute

98h - 9Fh

 display string at logical cursor pos

BYTE

 low 8 bits of 11-bit length (high 3 in low 3 bits of OPCODE) [000h means 800h]

N BYTEs

 string to display

A0h

 set logical cursor row

BYTE

 row number (0 is top)

A1h

 set logical cursor column

BYTE

 column number (0 is leftmost)

A2h

 set top edge of scrolling region

BYTE

 row

A3h

 set left edge of scrolling region

BYTE

 column

A4h

 set row of physical window position

BYTE

 line

A5h

 set column of physical window position

BYTE

 column

A6h

 set height of physical window

BYTE

 number of rows

A7h

 set width of physical window

BYTE

 number of columns

A8h

 set viewport row

BYTE

 row

A9h

 set viewport column

BYTE

 column

AAh

 set virtual screen height [contents of window unpredictable after]

BYTE

 rows

ABh

 set virtual screen width [contents of window unpredictable after]

BYTE

 columns

ACh - AEh

 unused

AFh

 set compatible/preferred video modes

BYTE

 compatibility/preference mask
bit 7 - compatible with monochrome
bit 6 - compatible with color text, EGA/VGA graphics
bit 5 - compatible with medium-resolution CGA graphics
bit 4 - compatible with high-resolution CGA graphics
bit 3 - prefer monochrome
bit 2 - prefer color text, EGA/VGA graphics
bit 1 - prefer medium-resolution CGA graphics
bit 0 - prefer high-resolution CGA graphics

B0h

 move logical cursor down

BYTE

 number of rows (signed, negative values move up) [if rows=0 and hardware cursor owner, update hardware cursor]

B1h

 move logical cursor right

BYTE

 number of columns (signed, negative values move left) [if cols=0 and hardware cursor owner, update hardware cursor]

B2h

 shift top edge of scrolling region

BYTE

 number of rows (signed)

B3h

 shift left edge of scrolling region

BYTE

 number of columns (signed)

B4h

 shift physical window down

BYTE

 number of lines (signed)

B5h

 shift physical window right

BYTE

 number of columns (signed)

B6h

 expand physical window vertically

BYTE

 number of lines (signed)

B7h

 expand physical window horizontally

BYTE

 number of columns (signed)

B8h

 adjust viewport row

BYTE

 number of rows (signed)
B9h adjust viewport column

BYTE

number of columns (signed)

BAh

 adjust virtual screen height [contents of window unpredict after]

BYTE

 number of rows to increase (signed)

BBh

 adjust virtual screen width [contents of window unpredictbl after]

BYTE

 number of columns to increase (signed)

BCh - BFh

 reserved (currently unused)

C0h

 set logical cursor position

BYTE

 row number (0 is top border)

BYTE

 column number (0 is left border)

C1h

 set top left corner of scrolling region

BYTE

 row

BYTE

 column

C2h

 set physical window pos

BYTE

 upper left row (no top border if 0)

BYTE

 upper left column (no left border if 0)

C3h

 set current window size

BYTE

 number of rows

BYTE

 number of columns

C4h

 set upper left corner of viewport (portion of virtual screen displayed in window)

BYTE

 row

BYTE

 column

C5h

 set size of virtual screen [contents unpredictable afterwards]

BYTE

 number of rows

BYTE

 number of columns

C6h

 unused

C7h

 unused

C8h

 set logical cursor relative to current position

BYTE

 number of rows to move down (signed)

BYTE

 number of columns to move right (signed) [if rows=cols=0 and hardware cursor owner, update hardw cursor]

C9h

 shift top left corner of scrolling region

BYTE

 number of rows (signed)

BYTE

 number of columns (signed)

CAh

 set window pos relative to current position

BYTE

 number of rows to shift down (signed)

BYTE

 number of columns to shift right (signed)

CBh

 set window size relative to current size

BYTE

 number of rows to expand (signed)

BYTE

 number of cols to expand (signed)

CCh

 shift viewport relative to current position

BYTE

 rows to shift (signed)

BYTE

 cols to shift (signed)

CDh

 resize virtual screen

BYTE

 number of rows to expand (signed)

BYTE

 number of columns to expand (signed)

CEh

 scroll text when using E8h-EBh/F8h-FBh opcodes (default)

CFh

 scroll attributes when using E8h-EBh/F8h-FBh opcodes

D0h

 allow window frame to extend beyond screen

D1h

 always display a complete frame, even if window extends beyond edge of screen

D2h

 allow DV to change logical colors on video mode switch (default)

D3h

 application changes logical attributes

D4h

 window is visible [must redraw to actually make visible]

D5h

 window is hidden [must redraw to actually remove]

D6h

 window has frame (default)

D7h

 window unframed [must redraw to actually remove frame]

D8h

 READ/READN will read characters from window (default)

D9h

 READ/READN will read attributes from window

DAh

 use logical attributes, which may be remapped (see #00441)

DBh

 use physical attributes for characters

DCh

 enable special actions for control characters (default)

DDh

 disable special control char handling, all chars displayable by BIOS TTY call

DEh

 write both character and attribute (default)

DFh

 write character only, leave attribute untouched

E0h

 repeat following commands through E1h opcode

BYTE

 number of times to repeat (00h means 256 times)

E1h

 end of commands to repeat, start repeating them

E2h

 set current output color

BYTE

 color

E3h

 clear virtual screen from scroll origin to end using current color

E4h

 redraw window

E5h

 select menu style

BYTE

 style (normally 18h)
bits 5, 4 = 01 use two-letter menu entries for remainder of this stream

E5h

 (panel file only)

BYTE

 modifier
bit 7, 6 = 11 panel stream creates new window
= 10 panel defines new field table for existing window
= 01 panel stream uses existing window & field table
bit 5 = 1 stream contains a field table (create kyboard object)
bit 4 = 1 stream defines input fields (create keyboard object)
bit 3 = 1 stream defines select fields but not input fields
bit 2 = 1 stream defines exclusive input window (DV 2.2)
bit 1 - reserved
bit 0 - reserved

E6h

 create new window and perform rest of manipulations in new window

BYTE

 number of rows

BYTE

 number of columns

Return:

 DWORD object handle of new window returned on stack at end

Note:

 the window is created with a physical size of 0x0 at the same position as the window to which this stream was sent

E7h

 no operation

E8h

 scroll area up (top left corner defined by opcode C1h)

BYTE

 height

BYTE

 width

E9h

 scroll area down (top left corner defined by opcode C1h)

BYTE

 height

BYTE

 width

EAh

 scroll area left (top left corner defined by opcode C1h)

BYTE

 height

BYTE

 width

EBh

 scroll area right (top left corner defined by opcode C1h)

BYTE

 height

BYTE

 width

ECh

 set logical attributes for window contents

BYTE

 video modes command applies to
bit 7 - monochrome
bit 6 - color text, EGA/VGA graphics
bit 5 - medium-resolution CGA graphics
bit 4 - high-resolution CGA graphics

BYTE

 which attributes to set
bit 7 - if set, copy single following byte to indicated attribs
bit 4 - 6 - number of first attribute to change - 1
bit 0 - 3 - number of consecutive attributes to change

N BYTEs

 new attributes

EDh

 set logical attributes for window frame

BYTE

 video modes command applies to (also see opcode ECh)

BYTE

 which attributes to set
bit 7 - if set, copy single following byte to indicated attribs
bit 4 - 6 - number of first attribute to change - 1
bit 0 - 3 - number of consecutive attributes to change

N BYTEs

 new attributes
1 = top left corner
2 = top right corner
3 = bottom left corner
4 = bottom right corner
5 = top edge
6 = bottom edge
7 = left edge
8 = right edge

EEh

 set characters for window frame

BYTE

 video modes command applies to (also see opcode ECh)

BYTE

 which characters to set
bit 7 - if set, copy single following byte to indicated chars
bit 4 - 6 - number of first character to change - 1
bit 0 - 3 - number of consecutive characters to change

N BYTEs

 new chars (same relative position as attributes above)

EFh

 set window name

BYTE

 length of name (should be in range 0 to logical screen width)

N BYTEs

 name

F0h

 clear input field to blanks

BYTE

 field number

F1h

 fill input field with character

BYTE

 field number

BYTE

 char

F2h

 set color of input field

BYTE

 field number (1-N)

BYTE

 attribute

F3h

 set initial contents of input field

BYTE

 field number (1-N)

N BYTEs

 enough chars to exactly fill field as defined by op FFh

F4h

 position cursor to start of specific input field

BYTE

 field number (1-N)

F5h

 change field table entry

BYTE

 field number

7-8 BYTEs

 field table entry (also see opcode FFh below)

F6h

 set field type

BYTE

 field number

BYTE

 type
00h - inactive
40h - output field
80h - input field
C0h - deselected field
C2h - selected field

F7h

 "broadcast write" write data to fields with program output bit set in the field table entry, in field number order

N BYTEs

 total length of all program output fields)

F8h

 scroll field up a line

BYTE

 field number

F9h

 scroll field down a line

BYTE

 field number

FAh

scroll field left

BYTE

 field number

FBh

 scroll field right

BYTE

 field number

FCh

 set field table header

6 BYTEs

 field table header (see #00442)

FDh

 reset modified bit for all fields

FEh

 reset selected and modified bits for all fields

FFh

 set up input fields

6 BYTEs

 table header (see #00442)

7/8N BYTEs

 the field table entries, one for each field (see #00444)

Note:

 DESQview uses and updates the actual copy of the information which is contained in the stream. Thus this info must remain intact until after the data entry is complete.

See Also:

#00439,#00446