Select Inverse Video Mechanism [+] - Husky MP2500 Manual

Select inverse video mechanism [+]

Entry
Exit
Description
194
X1,Y1
Byte1: x1 X co-ordinate LSB
Byte2: x1 X co-ordinate MSB
Byte3: y1 Y co-ordinate
Byte4: x2 X co-ordinate LSB
Byte5: x2 X co-ordinate MSB
Byte6: y2 Y co-ordinate
Byte7: colour (0=white, 1=black, 0FFH=invert)
Byte8: type: 0=line, 1=box
Byte9: fill: 0=none, non-0=fill with colour
(fill is only valid if type is box)
The graphics co-ordinates depend on the screen
mode, as described for function 0. If any values are out
of range the function is ignored.
This function is ignored in text modes.
AH=72H
AL=mechanism
Returns nothing
Permits use of inverse video to emulate various text
screen attributes, according to the value of AL:
AL Effect
0 Do not use inverse video.
H MP2500 System Developer's Guide
USKY
X2,Y2
Colour=1