ROM/EPROM
modules 1-13
ROR
6-13
rotate instructions 6-13
routine, keyboard 4-6, 4-43
SAHF 6-9
SAR 6-13
SBB 6-11
scan code tables 4-28
scan codes 4-28
scan codes,
ROM
4-33
scanning, key-code
sequencing 4-23
SCAS 6-15
scroll lock 4-10
scroll lock key
4-10,4-41
sequencing key-code
scanning 4-23
shift 4-8
shift instructions 6-13
shift key 4-9, 4-40
shift key priorities
4-10,4-41
shift states 4-9, 4-40
SHL/SAL
6-13
SHR 6-13
signals
(I/O)
AEN
1-20
ALE
1-20
AO-AI9
1-20
CLK
1-21
-DACKO-DACK3 1-21
DRQI-DRQ3
1-21
DO-D7 1-21
-I/O
CH
CK
1-22
I/O
CH
RDY 1-22
-lOR
1-22
-lOW
1-22
IRQ
2-IRQ
7 1-22
Index-8
-MEMR
1-23
-MEMW 1-23
OSC 1-23
RESET
DRV
1-23
T/C
1-23
signals, clock and data 4-32
software interrupt listing
(8088) 5-5
Spanish keyboard 4-16, 4-48
speaker circuit 1-26
speaker connector 1-33
speaker drive system 1-26
speaker tone generation 1-10
specifications 4-51
power requirements 4-51
size 4-51
weight 4-51
states
Ctrl 4-9, 4-38
Num Lock 4-9, 4-38
Shift 4-9, 4-38, 4-40
STC 6-23
STD 6-23
STI 6-23
STOS 6-16
stream, data 4-33
string manipulation
instructions 6-15
SUB 6-11
subsystem,
RAM
1-12
subsystem,
ROM
1-13
switches
dual in-line package (DIP)
switch 1-3
I/O
Bit Map 1-27
system board 1-19
system board
data flow diagrams 1-6
diagram 1-19
logic diagrams,
256/640K
1-46
logic diagrams,
64/256K
1-34
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