39 lines
949 B
OCaml
39 lines
949 B
OCaml
open Printf
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let rec run (cpu: Cpu.t) (mem: Memory.map) (screen: Screen.t) =
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Cpu.run cpu mem;
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run cpu mem screen
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(** Power up sequence
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http://bgb.bircd.org/pandocs.htm#powerupsequence *)
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let power_up cartridge =
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(** Nintendo logo scrolling *)
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if not (Cartridge.check_nintendo_logo cartridge)
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then print_endline "Invalid ROM."
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else
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print_endline "Valid ROM.";
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Cartridge.print_info cartridge;
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let cpu = Cpu.init_cpu in
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let mem = Memory.init cartridge in
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let screen = Screen.init in
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Graphics.open_graph "";
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Graphics.resize_window Screen.width Screen.height;
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run cpu mem screen
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let () =
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if Array.length Sys.argv < 2 then
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begin
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prerr_endline "Please specify a ROM.";
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eprintf "Usage: %s path/to/rom\n" Sys.argv.(0);
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exit 1;
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end;
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let cartridge = Cartridge.read_cartridge Sys.argv.(1) in
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match cartridge with
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| None -> print_endline "Invalid ROM file."
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| Some c -> power_up c
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