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4
CPU OVERVIEW
28
4.6.1
lw
lw
LoadWord Relative to Address in General Purpose Register
%rt <- word_at_address ( %base)
lw %rt, offset(%base)
%rt
GPR Target Register (0...31)
%base
GPR, specifies Source Address Base
offset
signed Offset added to Source Address Base
4.6.2
sw
sw
StoreWord Relative to Address in General Purpose Register
word_at_address ( %base) <- %rt
sw %rt, offset(%base)
%rt
GPR Target Register (0...31)
%base
GPR, specifies Source Address Base
offset
signed Offset added to Source Address Base
4.6.3
addiu
addiu
Add Immediate Unsigned Word
%rt <- %rs + sign_extended(immediate)
addiu %rt, %rs, immediate
%rt
GPR Target Register (0...31)
%rs
GPR Source Register (0...31)
immediate
value added to Source Register
4.7
Allegrex Instructions
Mnemonic
Opcode
op
rs
rt
rd
shamt func
Description
?
0x70000000
011100 00000 00000 00000 00000 000000
?
mfic rt,rd
0x70000024
011100 00000 ttttt ddddd 00000 100100
move from IC (Interrupt) register
mtic rt,rd
0x70000026
011100 00000 ttttt ddddd 00000 100110
move to IC (Interrupt) register
Содержание PlayStationPortable
Страница 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Страница 116: ...14 WLAN 116 14 WLAN ...
Страница 117: ...15 USB PORT 117 15 USB Port ...
Страница 118: ...16 UMD 118 16 UMD ...
Страница 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Страница 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Страница 141: ...28 IPL 141 28 IPL ...