From 5b55a5b2069fa0e2b9584b1efa3e24115d95bbb6 Mon Sep 17 00:00:00 2001 From: Neil Webber Date: Fri, 15 Sep 2023 11:01:28 -0400 Subject: [PATCH] add br to InstructionBlock --- pdpasmhelper.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/pdpasmhelper.py b/pdpasmhelper.py index e617e37..f4e370a 100644 --- a/pdpasmhelper.py +++ b/pdpasmhelper.py @@ -203,7 +203,7 @@ class PDP11InstructionAssembler: return self._1op(0o000100, dst) def br(self, offs): - return self.literal(0o000400 | (offs & 0o77)) + return self.literal(0o000400 | (offs & 0o377)) def clr(self, dst): return self._1op(0o005000, dst) @@ -343,6 +343,10 @@ class InstructionBlock(PDP11InstructionAssembler, AbstractContextManager): def beq(self, target): return self.literal(BRANCH_CODES['beq'] | self.bxx_offset(target)) + # overrides the base br to implement label support + def br(self, target): + return self.literal(0o000400 | self.bxx_offset(target)) + def instructions(self): return self._instblock