Motorola DSP96002 - Manual (Page 671)

B-152 DSP96002 USER’S MANUAL MOTOROLA
Execution Times:
Signaling not a number - 7
Quiet not a number - 10
Negative infinity - 15
Negative normalized nonzero - 21
Negative denormalized - 20
Negative zero - 15
Positive zero - 19
Positive denormalized - 23
Positive normalized nonzero - 26
Positive infinity - 25
Note the following code assignments:
Signaling not a number - 0
Quiet not a number - 1
Negative infinity - 2
Negative normalized nonzero - 3
Negative denormalized - 4
Negative zero - 5
Positive zero - 6
Positive denormalized - 7
Positive normalized nonzero - 8
Positive infinity - 9
B.4 IEEE DOUBLE PRECISION USING SOFTWARE EMULATION
Note: The following programs have not been exhaustively tested and may contain errors.
B.4.1 IEEE Double Precision Addition
;
; Double Precision IEEE floating-point Addition For The DSP96002
;
; D0 + D1
→
D1
;
;
;
; Alters Data ALU Registers
; d0.h d0.m d0.l
; d1.h d1.m d1.l
; d2.m d2.l
; d3.l