58 lines
1.2 KiB
GDScript
58 lines
1.2 KiB
GDScript
class_name CPU
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extends Node
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signal cpu_tick
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var cobor_vm := CoborVirtualMachine.new()
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var running := false
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var register_size := 8
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var modules : Array[Module]
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func _ready() -> void:
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cobor_vm.set_registers(register_size,[])
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var register_index := 1
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for child in get_children():
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if child is Module:
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var module := child as Module
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modules.push_back(module)
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register_size += module.set_registers(register_index)
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func run_step() -> void:
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if not running:
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cobor_vm.set_registers(register_size,[])
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running = true
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_tick()
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func run() -> void:
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if not running:
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cobor_vm.set_registers(register_size,[])
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running = true
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$CPUClock.start()
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func _tick()->void:
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for module in modules:
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module.early_tick()
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var err := cobor_vm.run_step()
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if not err.is_empty():
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print(err)
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if cobor_vm.get_program_counter() >= cobor_vm.get_program_size():
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stop()
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for module in modules:
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module.late_tick()
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emit_signal("cpu_tick")
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func pause()->void:
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$CPUClock.stop()
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func stop()->void:
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running = false
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$CPUClock.stop()
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func compile_code(source_code: String)->void:
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var errors := cobor_vm.parse_source_code(source_code)
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if errors.is_empty():
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print("Compiling Ok!")
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else:
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for error in errors:
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print(error)
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