Intel 80C188XL - Manual (Page 67)

OVERVIEW OF THE 80C186 FAMILY ARCHITECTURE
2-38
Figure 2-23. 80C186 Modular Core Family Supported Data Types
15
+1
8 7
0
0 16
+2
23 24
+3
31
NOTE: *Directly supported if the system contains an 80C187.
15 14
+1
8 7
0
0 15
+1
8 7
0
0
7 0 7 0
BCD Digit n BCD Digit 1 BCD Digit 0
0
ASCII Character n ASCII Character 1 ASCII Character 0
15
+1
8 7
0
0 16
+2
23 24
+3
31
+1 0
0 15 16
+2 +3
31 32
+4 +5 +6 +7
47 48 63
7 0
+n
7 0
+n
0 79
+9 +8 +7 +6 +5 +4 +3 +2 +1 +0
Most
Significant Digit Least
Significant Digit
Byte Word n Byte Word 1 Byte Word 0
+1
Signed Byte
Signed Quad
Word*
Unsigned
Word
Packed BCD
String
Pointer
ASCII
Floating
Point*
Binary Coded
Decimal (BCD)
Signed Word
Signed Double
Word*
Unsigned Byte
MSB
Sign Bit
Sign Bit MSB
Sign Bit
Sign Bit
Sign Bit
7 0
+n
7 0
+n
7 0 7 0
MSB
MSB
MSB
7 0 7 0
0 +1
7 0 7 0
0 +1
7 0 7 0
0 +1
Magnitude
Exponent Magnitude
Selector Offset
Magnitude
Magnitude
Magnitude
Magnitude Magnitude
A1027-0B