Video Game Controller User Manual

Chapter 5 Instruction Specifications
5-77
Program example
R7F0= 0
ROL(DR0000,1)
ROL(DR0002,1)
X00001 DIF1
LD X00001
AND DIF1
[
R7F0 = 0
ROL (DR0000,1)
ROL (DR0002,1)
]
Program description
When X00001 rises, the 64-bit data is shifted one bit at a time.
The space after the shift is filled with “0.”
Overall movement
C
0
b31 DR0002 b0 C b31 DR0000 b0 C
0
(R7F0)
DR0000 b31
ROL (d, n)