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Itype.py
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Itype.py
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from Rtype import *
def Beq(rs, rt, next):
rs = getReg(rs)
rt = getReg(rt)
if rs == rt:
return jumps[next]
else:
return -1
def Bne(rs, rt, next):
rs = getReg(rs)
rt = getReg(rt)
if rs != rt:
return jumps[next]
else:
return -1
def Blez(rs, next):
rs = getReg(rs)
if rs <= 0:
return jumps[next]
else:
return -1
def Bgtz(rs, next):
rs = getReg(rs)
if rs > 0:
returend = 15
return jumps[next]
else:
return -1
def Addi(rt, rs, imm):
rs = getReg(rs)
res = imm + rs
setReg(rt, res)
def Slti(rt, rs, imm):
rs = getReg(rs)
if rs < imm:
res = 1
else:
res = 0
setReg(rt, res)
def Andi(rt, rs, imm):
rs = getReg(rs)
res = imm and rs
setReg(rt, res)
def Ori(rt, rs, imm):
rs = getReg(rs)
res = imm or rs
setReg(rt, res)
def Xori(rt, rs, imm):
rs = getReg(rs)
res = imm ^ rs
setReg(rt, res)