Digital Equipment Pro-Face PL-6700 43 Series, Руководство пользователя

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Appendix
PL-6700 43 Series User’s Manual App-19
INT 16h Keyboard BIOS
Operation Input Output
Reading data by key input
AH = 00h AH =
AL =
Secondary code
Primary code (Character code)
Data check by key input
AH = 01h ZF =
=
AH =
AL =
0: Input data exists.
1: Input data does not exist.
Secondary code
Primary code (Character code)
Reading shift status AH = 02h AL = Shift status
Setting repeat delay and
repeat rate
AH =
AL =
BH =
BL =
03h
05h
Delay time (Bits 0 &1)
Primary code (Bits 0 - 4)
Writing key data
AH =
CH =
CL =
05h
Secondary code
Primary code
AL =
=
00h: Successfully completed
01h: No available space in buffer (CY =1)
Wiring data by key input
(101/AX keyboard compatible)
AH = 10h AH =
AL =
Secondary code
Primary code (Character code)
Data check by key input
(101/AX keyboard compatible)
AH = 11h ZF =
=
AH =
AL =
0: Input data exists.
1: Input data does not exist.
Secondary code
Primary code (Character code)
Reading shift status (101/AX
keyboard compatible) AH = 12h AL =
AH =
Shift status 1
Shift status 2
Operation Input Output
1-character output
AH =
AL =
DX =
00h
Character code of character to
output
Device No.
AH = Printer status
Printer initialization
AH =
DX =
01h
Device No.
AH = Printer status
Status check
AH =
DX =
02h
Device No.
AH = Printer status
INT 17h Printer BIOS
4 BIOS Lists