class

GBA::CPU

Inherits GBA::Waitloop < GBA::THUMB < GBA::ARM < Reference < Object

Constants

CLOCK_SPEED = 2 ** 24

Constructors

new(gba : GBA)
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Instance methods

adc(operand_1 : UInt32, operand_2 : UInt32, set_conditions : Bool) : UInt32

Add two values with carry

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add(operand_1 : UInt32, operand_2 : UInt32, set_conditions : Bool) : UInt32

Add two values

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asr(word : UInt32, bits : Int::Unsigned, immediate : Bool, carry_out : Pointer(Bool)) : UInt32

Arithmetic shift right

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check_cond(cond : UInt32) : Bool
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clear_pipeline
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count_cycles
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count_cycles=(count_cycles : Int32)
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cpsr
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fill_pipeline
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halted
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halted=(halted : Bool)
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lsl(word : UInt32, bits : Int::Unsigned, carry_out : Pointer(Bool)) : UInt32

Logical shift left

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lsr(word : UInt32, bits : Int::Unsigned, immediate : Bool, carry_out : Pointer(Bool)) : UInt32

Logical shift right

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lut
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pipeline
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print_state(instr : UInt32 | Nil = nil) : Nil
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r
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read_instr
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ror(word : UInt32, bits : Int::Unsigned, immediate : Bool, carry_out : Pointer(Bool)) : UInt32

Rotate right

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sbc(operand_1 : UInt32, operand_2 : UInt32, set_conditions : Bool) : UInt32

Subtract two values with carry

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set_neg_and_zero_flags(value : UInt32) : Nil
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set_reg(reg : Int, value : UInt32) : UInt32
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skip_bios
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step_arm
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step_thumb
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sub(operand_1 : UInt32, operand_2 : UInt32, set_conditions : Bool) : UInt32

Subtract two values

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switch_mode(new_mode : Mode) : Nil
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thumb_lut
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tick
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Nested types