Freescale Semiconductor MC68881 - Page 335

Table 8.13. Input Operand Conversion (Continued)
Monadic or Dyadic Input Conversions -- Source Operand is Packed Decimal:
Source
Destination
Normalized
Normalized
Not
Normalized
Zero
Infinity
NAN
-822 -822 22 22 24
Unnormalized -848 -848 34 34 36
Zero -842 -842 28 28 30
Infinity -840 -840 26 26 28
-842
28
I NAN
28
-842
30
-Indicates a typical conversion time. The minimum maximum conversion time is 954 clock cycles.
Monadic or Dyadic Input Conversions Source Operand is FPm:
e
Normalized
Not
Normalized
Zero
Infinity
NAN
Normalized 14 30 16 16 18
Unnormalized 26 42 28 28 30
Zero 36 22 22 24
Infinity
NAN
20
18 34 20 20 22
20 36 22 22 24
Monadic Input Conversions -- Source Operand is in Memory:
~
I Normalized
+
Byte, Word, Long 22 24
Single 16
Double 14
Not
Zero Infinity NAN
Normalized
-- 20 -- --
30
20 24 24
28 18 22 22
Extended 8 20
10
12
12
MC68881/MC68882 USER'S MANUAL FREESCALE
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