mirror of
https://github.com/supleed2/ELEC50010-IAC-CW.git
synced 2024-09-20 03:56:18 +00:00
48 lines
610 B
Plaintext
48 lines
610 B
Plaintext
|
==SRAV Shift right arithmetic variable ==
|
||
|
|
|
||
|
|
srav -2 // Will it be able to handle shifts greater than the highest 1 value
|
||
|
|
|
||
|
|
ori $4,$0,6
|
||
|
|
ori $5,$0,16
|
||
|
|
srav $2,$5,$4
|
||
|
|
jr $0
|
||
|
|
|
||
|
|
ref = 0
|
||
|
|
|
||
|
|
34040006
|
||
|
|
34050010
|
||
|
|
00000008
|
||
|
|
00851007
|
||
|
|
|
||
|
|
|
||
|
|
srav - 3 // negative number - does it sign extened (negative)
|
||
|
|
|
||
|
|
lui $4, 0xFFFF
|
||
|
|
ori $4, $4, 0x00FF
|
||
|
|
ori $5, $0, 4
|
||
|
|
srav $2, $4, $5
|
||
|
|
jr $0
|
||
|
|
|
||
|
|
ref = FFFFF00F (4294963215 / -4081)
|
||
|
|
|
||
|
|
3c04ffff
|
||
|
|
348400ff
|
||
|
|
34050004
|
||
|
|
00000008
|
||
|
|
00A41007
|
||
|
|
|
||
|
|
srav - 4 // Does it sign extend 0s
|
||
|
|
|
||
|
|
lui $4, 0x0FFF
|
||
|
|
ori $4, $4, 0x00FF
|
||
|
|
ori $5, $0, 4
|
||
|
|
srav $2, $4, $5
|
||
|
|
jr $0
|
||
|
|
|
||
|
|
ref = 00FFF00F (16773135)
|
||
|
|
|
||
|
|
3c040fff
|
||
|
|
348400ff
|
||
|
|
34050004
|
||
|
|
00000008
|
||
|
|
00A41007
|