SECTION 6
Conversions and Interfaces
6-76 PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide
INT 15h, Function AX = 5301h: APM Real Mode Interface Connect
NORAPM
Provides compatibility with the Microsoft APM 1.01 specification. Use of the call
is not required for any of the APM functions to succeed, other than the
Disconnect function.
On Entry:
AH = 53h
AL = 01h
BX = 0000h
On Return:
If successful:
Carry = 0
if NOT successful:
Carry = 1
AH = Error code:
02h (Real mode interface connection already established)
05h (16Ćbit protected mode interface already established)
07h (32Ćbit protected mode interface already established
09h (Unrecognized device ID)
INT 15h, Function AX = 5304h: APM Interface Disconnect
NORAPM
Provides compatibility with the Microsoft APM 1.01 specification. Use of the call
does not prevent any of the APM functions from succeeding or failing, except for
the Connect function. Use of the function has no effect upon the power
management configuration.
On Entry:
AH = 53h
AL = 04h
BX = 0000h
On Return:
If successful:
Carry = 0
If NOT successful:
Carry = 1
AH = Error code:
03h Interface not connected
09h Unrecognized device ID
6. Conversions and
Interfaces
