DATA 620/i SYSTEM REFERENCE MANUAL . - Al Kossow's Bitsavers

MULl Multiply Immediate Timing: 10 cycles (16 bits)
(optional)
11 cycles (18 bits)
n
n+1
17 16 15 14 13 12 11 10 9 8 7 6 5 432 1 0
r-r-
I
I
1--4--
I I
til
18-bi!.
option
I
I
00 6 160
Operand
The contents of the B register are multiplied by the contents of
the operand at location n + 1. The ori ginal contents of the
A register are added to the final product. The product is placed
in the A and B registers, with the most-significant half of the
product in the A register and the least-significant half in the
B register. The sign of the product is contained in the sign
position of the A register. The sign position of the B register
is reset to zero.
The algorithm is in the form R • B + A.
Indexing: No
Indirect Addressing: No
Registers Altered: A, B, OF
Divide Immediate Timing: 10-14 cycles (16 bits)
(optional)
11-15 cycles (18 bits)
n
n+l
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
r-r
~_+_4-___
I
I
~_.L_
L!. 8 -i:!.!.
option
0_0 ____ ~1_6
__ ~1 ______
Operand
1_70 ______ ~
The contents of the A and B registers are divided by the contents
of the operand at location n + 1. The quotient is placed in the
B register with sign, and the remainder is placed in the A
register with the sign of the dividend.
If
(A, B)
~ :s1 3-63