Table of Contents
Advertisement
7 DETAILS OF INSTRUCTIONS
ld.ub %rd, [%rb]+
Function
Unsigned byte data transfer
Standard)
Extension 1) Unusable
Extension 2) Unusable
15
Code
0
0
1
|
|
IE
C
V
Flag
|
|
–
–
–
Mode
Src:Register indirect with post-increment %rb = %r0 to %r15
Dst:Register direct %rd = %r0 to %r15
CLK
Two cycles
Description
The byte data in the specified memory location is transferred to the rd register after being zero-
extended to 32 bits. The rb register contains the memory address to be accessed. Following data
transfer, the address in the rb register is incremented by 1.
112
rd(7:0) ← B[rb], rd(31:8) ← 0, rb ← rb + 1
12 11
8
7
|
|
0
0
1
0
1
|
|
|
|
|
Z
N
|
|
–
–
4
3
0
|
r b
r d
|
|
|
|
|
EPSON
0x25__
S1C33 FAMILY C33 PE CORE MANUAL
Advertisement
Table of Contents
