class Synacor::VM

• Synacor::VM
• Reference
• Object

Defined in:

synacor/vm.cr

Constant Summary

INVALID_VALUE = MAX_VALUE + 8

MAX_VALUE = (2 ** 15).to_u16

REGISTERS = MAX_VALUE...INVALID_VALUE

Constructors

• .new(input : IO::Memory, output : Athena::Console::Output::Interface)

Instance Method Summary

• #input : IO::Memory
• #input=(input : IO::Memory)
• #load(binary_path : String)
• #main_loop
• #main_loop(&block : Int32, Int32 -> Bool)
• #memory : StaticArray(UInt16, 32768)

  memory with 15-bit address space storing 16-bit values

• #memory=(memory : StaticArray(UInt16, 32768))

  memory with 15-bit address space storing 16-bit values

• #op_add(reg : Int32, a : UInt16, b : UInt16, &)
• #op_and(reg : Int32, a : UInt16, b : UInt16, &)
• #op_call(a : UInt16)
• #op_eq(reg : Int32, a : UInt16, b : UInt16, &)
• #op_gt(reg : Int32, a : UInt16, b : UInt16, &)
• #op_halt
• #op_in(reg : Int32, &)
• #op_jf(a : UInt16, b : UInt16, &block : -> )
• #op_jmp(value : UInt16)
• #op_jt(a : UInt16, b : UInt16, &block : -> )
• #op_mod(reg : Int32, a : UInt16, b : UInt16, &)
• #op_mult(reg : Int32, a : UInt16, b : UInt16, &)
• #op_noop(&)
• #op_not(reg : Int32, value : UInt16, &)
• #op_or(reg : Int32, a : UInt16, b : UInt16, &)
• #op_out(value : UInt16, &)
• #op_pop(reg : Int32, &block : -> )
• #op_push(value : UInt16, &)
• #op_ret
• #op_rmem(reg : Int32, addr : UInt16, &)
• #op_set(reg : Int32, value : UInt16, &)
• #op_wmem(addr : UInt16, value : UInt16, &)
• #output : ACON::Output::Interface
• #output=(output : ACON::Output::Interface)
• #pc : Int32

  program counter

• #pc=(pc : Int32)

  program counter

• #register_at(index : Int32) : Int32
• #registers : StaticArray(UInt16, 8)

  eight registers

• #registers=(registers : StaticArray(UInt16, 8))

  eight registers

• #stack : Deque(UInt16)

  unbounded stack which holds individual 16-bit values

• #stack=(stack : Deque(UInt16))

  unbounded stack which holds individual 16-bit values

• #to_register(value : UInt16) : Int32
• #to_value(value : UInt16) : UInt16
• #value_at(index : Int32) : UInt16

Constructor Detail

Instance Method Detail