299
Conversion Instructions
Section 5-20
are designated than remain in S (counting from the designated first digit), fur-
ther digits will be used starting back at the beginning of S.
Digit Designator
The digits of Di are set as shown below.
Some example Di values and the 4-bit binary to 7-segment display conver-
sions that they produce are shown below.
Specifies the first digit of S to be converted (0 to 3).
Number of digits to be converted (0 to 3)
0: 1 digit
1: 2 digits
2: 3 digits
3: 4 digits
First half of D to be used.
0: Rightmost 8 bits (1st half)
1: Leftmost 8 bits (2nd half)
Not used; set to 0.
Digit number: 3 2 1 0
0
1
2
3
0
1
2
3
S digits
Di: 0011
D
Di: 0030
S digits
0
1
2
3
Di: 0130
S digits
Di: 0112
0
1
2
3
S digits
1st half
2nd half
D
1st half
2nd half
D+1
1st half
2nd half
D
1st half
2nd half
D+1
1st half
2nd half
D
1st half
2nd half
D+1
1st half
2nd half
D+2
1st half
2nd half