class RPicSim::Storage::MemoryInt32
Represents a signed 32-bit variable.
Public Instance Methods
size()
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# File lib/rpicsim/storage/memory_integer.rb, line 200 def size 4 end
value()
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# File lib/rpicsim/storage/memory_integer.rb, line 204 def value val = @memory.read_byte(@address) + 0x100 * @memory.read_byte(@address + 1) + 0x10000 * @memory.read_byte(@address + 2) + 0x1000000 * @memory.read_byte(@address + 3) val -= 0x100000000 if val >= 0x80000000 val end
value=(val)
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# File lib/rpicsim/storage/memory_integer.rb, line 214 def value=(val) check_value val, -0x80000000..0x80000000 @memory.write_byte(@address, val & 0xFF) @memory.write_byte(@address + 1, (val >> 8) & 0xFF) @memory.write_byte(@address + 2, (val >> 16) & 0xFF) @memory.write_byte(@address + 3, (val >> 24) & 0xFF) end