F1 Y[L] = Y - Lucent Technologies DSP1617 Information Manual

DSP1611/17/18/27/28/29 DIGITAL SIGNAL PROCESSOR
Instruction Set Summary

F1 y[l] = Y

(multiply/ALU operation with parallel load of y register) (continued)
3. Postmodify the value of rM where the postmodification is specified by the two least significant bits of the Y
field:
2 LSBs of Y
00 no action
01 postincrement
10 postdecrement
†
11 postincrement by (j)
† Code 11, in this case, means add the current value of the j regis-
ter to rM after accessing *rM.
Bit 15 14
Field
1 0
B-27
Action Symbol
*rM
*rM++
*rM– –
*rM++j
13 12 11 10
1 1 1 D
Words: 1
Cycles: 1
Group: Multiply/ALU
Addressing: Register Indirect, Register
Flags affected: LMI, LEQ, LLV, LMV
Interruptible: Yes
Cacheable: Yes
Format: 1
DRAFT COPY
9 8—5
S F1
Information Manual
April 1998
4 3—0
X Y
Lucent Technologies Inc.