4
CPU OVERVIEW
23
4
CPU Overview
4.1
Registers
32 32bit General Purpose Integer Registers (R0-R31)
0
zero
wired zero
1
at
assembler temp
2
v0
return value
3
v1
4
a0
argument registers
5
a1
6
a2
7
a3
8
t0
caller saved (o32 old style names: default)
9
t1
10
t2
11
t3
12
t4
caller saved
13
t5
14
t6
15
t7
16
s0
callee saved
17
s1
18
s2
19
s3
20
s4
21
s5
22
s6
23
s7
24
t8
caller saved
25
t9
26
k0
kernel temporary
27
k1
28
gp
global pointer
29
sp
stack pointer
30
fp/s8
frame pointer
31
ra
return address
Summary of Contents for PlayStationPortable
Page 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Page 116: ...14 WLAN 116 14 WLAN ...
Page 117: ...15 USB PORT 117 15 USB Port ...
Page 118: ...16 UMD 118 16 UMD ...
Page 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Page 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Page 141: ...28 IPL 141 28 IPL ...