def STY(cpu, value):
memory.write(value, cpu.Y)
def condWrite(cpu, addr, value):
if addr is -1:
cpu.A = value
else:
memory.write(addr, value)
def STX(cpu, value):
memory.write(value, cpu.X)
def STA(cpu, value):
memory.write(value, cpu.A)
def modMemory(cpu, address, dVal):
value = memory.read(address)
value += dVal
memory.write(address, value)
cpu.setNZ(value)
def pushToStack(cpu, value):
memory.write(0x100 | (cpu.S & 0xFF), value)
cpu.S -= 1
def SAX(cpu, value):
memory.write(value, cpu.A & cpu.X)