Python Computer.overflow Examples

Example #1

File: ops.py Project: Gaming32/8bit

def sub2(comp: Computer):
    ptr = getat_pages(comp, True)
    data = comp.getat(ptr)
    comp.accum -= data
    comp.overflow = comp.accum < 0
    comp.accum %= 256

Example #2

File: ops.py Project: Gaming32/8bit

def sba(comp: Computer):
    comp.accum -= comp.accum
    comp.overflow = comp.accum < 0
    comp.accum %= 256

Example #3

File: ops.py Project: Gaming32/8bit

def sbi(comp: Computer):
    comp.pc += 1
    data = comp.getat(comp.pc)
    comp.accum -= data
    comp.overflow = comp.accum < 0
    comp.accum %= 256

Example #4

File: ops.py Project: Gaming32/8bit

def sby(comp: Computer):
    comp.accum -= comp.regy
    comp.overflow = comp.accum < 0
    comp.accum %= 256

Example #5

File: ops.py Project: Gaming32/8bit

def add2(comp: Computer):
    ptr = getat_pages(comp, True)
    data = comp.getat(ptr)
    comp.accum += data
    comp.overflow = comp.accum > 255
    comp.accum %= 256

Example #6

File: ops.py Project: Gaming32/8bit

def adi(comp: Computer):
    comp.pc += 1
    data = comp.getat(comp.pc)
    comp.accum += data
    comp.overflow = comp.accum > 255
    comp.accum %= 256

Example #7

File: ops.py Project: Gaming32/8bit

def ada(comp: Computer):
    comp.accum += comp.accum
    comp.overflow = comp.accum > 255
    comp.accum %= 256

Example #8

File: ops.py Project: Gaming32/8bit

def ady(comp: Computer):
    comp.accum += comp.regy
    comp.overflow = comp.accum > 255
    comp.accum %= 256