def i_RRC(indirect, address, instruction):
global AC
AC |= TtyIn.read()
TtyIn.clear()
Trace.itrace('RRC')
return 1
def i_RSN():
global PC
if not TtyIn.ready():
PC = (PC + 1) & WORDMASK
Trace.itrace('RSN')
return 1
def i_RSF():
global PC
if TtyIn.ready():
PC = (PC + 1) & WORDMASK
Trace.itrace('RSF')
return 1
def __tick_all(cycles):
Ptr.tick(cycles)
Ptp.tick(cycles)
TtyIn.tick(cycles)
TtyOut.tick(cycles)
def i_RCF(indirect, address, instruction):
TtyIn.clear()
Trace.itrace('RCF')
return 1
