SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-97
INT 15h, Function AX = 5380h, Subfunction BH = 38h: Backup Battery Voltage
NORAPM
Returns the backup battery voltage in millivolts.
This interrupt is a NORAND
Proprietary System interface.
On Entry:
AH = 53h
AL = 80h
BH = 38h
On Return:
If successful:
Carry = 0
DX = Millivolts
AX = FF00h
If NOT successful:
Carry = 1
DX = 0FFFFh
AH = Error Code
AL = Undefined
INT 15h, Function AX = 5380h, Subfunction BH = 39h: Charge Voltage
NORAPM
Returns the charge voltage in millivolts.
This interrupt is a NORAND Proprietary
System interface.
On Entry:
AH = 53h
AL = 80h
BH = 39h
On Return:
If successful:
Carry = 0
DX = Millivolts
AX = FF00h
If NOT successful:
Carry = 1
DX = 0FFFFh
AH = Error Code
AL = Undefined
6. Conversions and
Interfaces
