Texas Instruments 5000 - Manual (Page 272)

7 6 5 4 3 2 1 0
Reserved
LCD Type
0000 = Mono
0001
= Passive Color
0010 = Active Color
0011 = EL
0100 - 1111 = Reserved
DL = Reserved
CY = Set on error (see AH)
F.8 Function F9h - Subfunction 60h
Get Standby Level
This function returns the current standby level, and the maximum level
currently supported. This maximum level should be checked before setting
the level to ensure that the desired level is supported. Also, see related
function F961h.
Call with:
AH = F9h
AL = 60h
Returns:
AH = 00h
BH = Maximum Level Available
BL = Current Level
F.9 Function F9h - Subfunction 61h
Set Standby Level
This function sets the new standby level. Also, see related function F960h.
Call with:
AH = F9h
AL = 61h
BL = New Standby Level
Added Interrupt 15 Functions F-7