def handle(InstructionCtor, name, transpiler, rawParams):
p1 = rawParams[0]
argno = int(rawParams[1], 10)
if argno < 1:
raise ValueError("MOVARG argno must be at least 1")
p2 = "[BSP + %d]" % ((argno * 4) + 4)
return Instruction.handle(InstructionCtor, "MOV", transpiler, [p1, p2])
def handle(InstructionCtor, name, transpiler, rawParams):
useopc = None
outParams = []
if len(rawParams) == 0:
useopc = "RETN"
elif len(rawParams) == 1:
useopc = "RETNA"
try :
x = int(rawParams[0], 10) * 4
if x == 0:
useopc = "RETN"
outParams = []
elif x < 0:
raise TypeError("DRET arg must be >= 0")
else:
outParams = ["%d" % x]
except ValueError:
pass
else:
raise ValueError("DRET only supports 0 or 1 parameter")
return Instruction.handle(InstructionCtor, useopc, transpiler, outParams)
def handle(InstructionCtor, name, transpiler, rawParams): lbl = "db_" + rawParams[0] insn = Instruction.handle(InstructionCtor, name, transpiler, [rawParams[1]]) transpiler.emitLabel(lbl, insn) transpiler.emitLabel(lbl + "_len", insn.len()) return insn