Basic I/O Unit Instructions
Operand Specifications
Description
Flags
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
Indirect DM/EM
addresses in BCD
Constants
Data Registers
Index Registers
Indirect addressing
using Index Registers
SDEC(078) regards the data specified by S as 4-digit hexadecimal data, con-
verts the digits specified in S by Di (first digit and number of digits) to 7-seg-
ment data and outputs the results to D in the bits specified in Di.
7-segment
Name
Label
Error Flag
ER
S
CIO 0000 to CIO 6143
W000 to W511
H000 to H511
A000 to A959
T0000 to T4095
C0000 to C4095
D00000 to D32767
E00000 to E32767
En_00000 to En_32767
(n = 0 to C)
@D00000 to @D32767
@E00000 to @E32767
@En_00000 to @En_32767
(n = 0 to C)
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
---
Specified values
only
DR0 to DR15
---
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
Di
Number of digits
Rightmost 8 bits (0)
Operation
ON if settings in Di are not within the specified ranges.
OFF in all other cases.
Section 3-23
Di
D
A448 to A959
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---
First digit to convert
939
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