SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-19
Table 6Ć1 (Continued)
BIOS Interrupts Supported
INT #
Register Values
BIOS Interrupts
16h
Keyboard Services
Read Next ASCII Character
AH=00h
Set Zero Flag if Buffer Empty
AH=01h
Read Shift Status
AH=02h
Put Key into Buffer as if from Keyboard
AH=05h
Read Next Extended ASCII Character
AH=10h
Set Zero Flag if Extended Key Buffer Empty
AH=11h
Read Extended Shift Status
AH=12h
19h
System Reboot
1Ah
Timer and RealĆTime Clock Services
Read System Timer Ticks
AH=00h
Set System Timer Ticks
AH=01h
Read the RealĆTime Clock Time
AH=02h
Set the RealĆTime Clock Time
AH=03h
Read RealĆTime Clock Date
AH=04h
Set RealĆTime Clock Date
AH=05h
Set the RealĆTime Clock Alarm
AH=06h
Reset the RealĆTime Clock Alarm
AH=07h
Read the RealĆTime Clock Alarm
AH=09h
70h
RealĆTime Clock Interrupt
Unsupported 4000 Series BIOS Interrupts
See
4000 Series Screen Emulation for 6200
, starting on page 6Ć27, for
information on supported services.
Video BIOS Functions
INT 02h and INT 05h
The following interrupts are not supported by the 6200/6300 BIOS.
"
Nonmaskable Interrupt (NMI) (Interrupt 02h)
"
Print Screen Interrupt (Interrupt 05h)
6. Conversions and
Interfaces
