Bios Lists - Pro-face PL-6700 Series User Manual

Appendix
4
INT 5h Display Hard Copy
Operation
Screen hard copy
INT 10h Video BIOS
Operation
Setting video
mode
Setting cursor
shape
Setting cursor
position
Reading cursor
position
Reading light
pen position
Switching
active page
Scrolling up
Scrolling down
PL-6700 Series User Manual

BIOS Lists

Input
Input
AH = 00h
AL = Value of selected mode (Bits 0 ~ 6),
Video RAM clear(Bit 7)
AH = 01h
CH = Cursor start position and display
CL = Cursor end position
AH = 02h
BH = Page No.
DH = Value of specified line
DL = Value of specified column
AH = 03h
BH = Page No.
AH = 04h
AH = 05h
AL = Page No.
AH = 06h
AL = Number of lines to scroll up
BH = Attribute of line to clear
CH = Highest line in scroll up range
CL = Farthest left column in scroll up
range
DH = Lowest line in scroll up range
DL = Farthest right column in scroll up
range
AH = 07h
AL = Number of lines to scroll down
BH = Attribute of line to clear
CH = Highest line in scroll down range
CL = Farthest left column in scroll down
range
DH = Lowest line in scroll down range
DL = Farthest right column in scroll down
range
Output
0050:0000h Print-screen flag
0: Hard copy function unused or
completed successfully
1: Now printing
-1: Error
Output
CH = Cursor start position and display
CL = Cursor end position
DH = Current cursor line position
DL = Current cursor column position
AH = 0: Light pen switch is off.
= 1: Light pen switch is on.
BX = X coordinate (0 - 319, 639)
CH = Y coordinate (0 - 199)
CX = Y coordinate in new graphic mode (0, XXX)
DH = Light pen line position in character units
DL = Light pen column position in character units
4 BIOS Lists
App-7