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implementing missing operators

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This commit is contained in:
Torsten Ruger 2015-11-11 20:34:49 +02:00
parent d870553a1f
commit 9bfc9cf6c2
1 changed files with 10 additions and 3 deletions
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13
lib/interpreter/interpreter.rb
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@ -186,9 +186,9 @@ module Interpreter
end
def execute_OperatorInstruction
left = get_register(@instruction.left)
left = get_register(@instruction.left) || 0
rr = @instruction.right
right = get_register(rr)
right = get_register(rr) || 0
@flags[:overflow] = false
case @instruction.operator.to_s
when "+"
@ -197,9 +197,16 @@ module Interpreter
result = left - right
when "/"
result = left / right
when ">>"
result = left >> right
when "<<"
result = left << right
when "*"
#TODO set overflow, reduce result to int
result = left * right
when "&"
result = left & right
when "|"
result = left | right
when "=="
result = (left == right) ? 1 : 0
else