From Python to silicon
 
 
 
class Cpu():
    INTMASK = 0xFFFFFFFF
 
    def __init__(self):
        # @todo Created properties for the following
        self.pc    = 0   # Program Counter
        self.sp    = 0   # Stack Pointer
        self.isp   = 0   # Internal Stack Pointer
        self.instr = 0   # Current instruction (val @ pc)
 
        # Emulated Instructions
        self.emu_op = 0
        self.emu_sp = 0
        self.emulateInProgress = False
        self.emulateOpcodeHistogram = [0] * 256
        self.emulateOpcodeHistogramCycles = [0] * 256
        #self.emulateCycles = 0
 
        self.istack = []  # Not sure??
 
 
    def Pop(self):
        return self.istack.pop()
 
    def Push(self, i):
        self.istack.append(i)
 
    def SetPc(self, pc):
        # @todo Add memory exception
        self.pc = pc
 
    def GetPc(self):
        return self.pc
 
    def SetSp(self, sp):
        # @todo Add size exception
        self.sp = sp
 
    def GetSp(self):
        return self.sp
 
 
    #dumpHistorgram
users/cfelton/projects/iss_cpu.txt · Last modified: 2010/01/14 03:57 by cfelton
 
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