def mov_a0():
instruction = Instruction.decode(b'\xa0\xc9\x82', 0)
eq_(str(instruction), 'mov al, 82C9h')
eq_(len(instruction), 3)
def mov_89():
instruction = Instruction.decode(b'\x89\x1d', 0)
eq_(str(instruction), 'mov [di], bx')
eq_(len(instruction), 2)
def mov_8b_5d():
instruction = Instruction.decode(b'\x8b\x5d\x08', 0)
eq_(str(instruction), 'mov bx, [di+8]')
eq_(len(instruction), 3)
def cmp_3b():
instruction = Instruction.decode(b'\x3b\xda', 0)
eq_(str(instruction), 'cmp bx, dx')
eq_(len(instruction), 2)
def mov_80():
instruction = Instruction.decode(b'\x80\x7e\xfe\x13', 0)
eq_(str(instruction), 'mov [bp+254], 13h')
eq_(len(instruction), 4)
def sub_2b():
instruction = Instruction.decode(b'\x2b\xc8', 0)
eq_(str(instruction), 'sub cx, ax')
eq_(len(instruction), 2)
def sub_2e():
instruction = Instruction.decode(b'\x2e\xac', 0)
eq_(str(instruction), 'lods byte ptr cs:[si]')
eq_(len(instruction), 2)
def mov_be():
instruction = Instruction.decode(b'\xbe\xdd\x01', 0)
eq_(str(instruction), 'mov si, 01DDh')
eq_(len(instruction), 3)
def mov_bf():
instruction = Instruction.decode(b'\xbf\xd0\x84', 0)
eq_(str(instruction), 'mov di, 84D0h')
eq_(len(instruction), 3)
def mov_b9():
instruction = Instruction.decode(b'\xb9\x12\x00', 0)
eq_(str(instruction), 'mov cx, 12h')
eq_(len(instruction), 3)
def mov_ba():
instruction = Instruction.decode(b'\xba\x40\x17', 0)
eq_(str(instruction), 'mov dx, 1740h')
eq_(len(instruction), 3)
def mov_b4():
instruction = Instruction.decode(b'\xb4\x35', 0)
eq_(str(instruction), 'mov ah, 35h')
eq_(len(instruction), 2)
def mov_b1():
instruction = Instruction.decode(b'\xb1\x04', 0)
eq_(str(instruction), 'mov cl, 4')
eq_(len(instruction), 2)
def mov_a3():
instruction = Instruction.decode(b'\xa3\x5c\x43', 0)
eq_(str(instruction), 'mov 435Ch, ax')
eq_(len(instruction), 3)
def cld_fc():
instruction = Instruction.decode(b'\xfc', 0)
eq_(str(instruction), 'cld')
eq_(len(instruction), 1)
def les_c4():
instruction = Instruction.decode(b'\xc4\x7d\x0c', 0)
eq_(str(instruction), 'les di, [di+0Ch]')
eq_(len(instruction), 3)
def push_ff():
instruction = Instruction.decode(b'\xff\x36\x26\x26', 0)
eq_(str(instruction), 'push 2626h')
eq_(len(instruction), 4)
def add_05():
instruction = Instruction.decode(b'\x05\x13\x00', 0)
eq_(str(instruction), 'add ax, 13h')
eq_(len(instruction), 3)
def sub_2d():
instruction = Instruction.decode(b'\x2d\x00\x10', 0)
eq_(str(instruction), 'sub ax, 1000h')
eq_(len(instruction), 3)
def int_cd():
instruction = Instruction.decode(b'\xcd\x21', 0)
eq_(str(instruction), 'int 21h')
eq_(len(instruction), 2)
def xor_33():
instruction = Instruction.decode(b'\x33\xed', 0)
eq_(str(instruction), 'xor bp, bp')
eq_(len(instruction), 2)
def shr_d3():
instruction = Instruction.decode(b'\xd3\xe8', 0)
eq_(str(instruction), 'shr ax, cl')
eq_(len(instruction), 2)
def add_03_2():
instruction = Instruction.decode(b'\x03\xc2', 0)
eq_(str(instruction), 'add ax, dx')
eq_(len(instruction), 2)
def loop_e2():
instruction = Instruction.decode(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe2\xf0', 16)
eq_(str(instruction), 'loop 0') # loop 16 steps back
eq_(len(instruction), 2)
def add_83_c7():
instruction = Instruction.decode(b'\x83\xc7\x04', 0)
eq_(str(instruction), 'add di, 4')
eq_(len(instruction), 3)
def jcxz_e3():
instruction = Instruction.decode(b'\xe3\x07', 0)
eq_(str(instruction), 'jcxz 7')
eq_(len(instruction), 2)
def mov_8b():
instruction = Instruction.decode(b'\x8b\xc4', 0)
eq_(str(instruction), 'mov ax, sp')
eq_(len(instruction), 2)
def call_e8_negative():
instruction = Instruction.decode(b'\xe8\x9f\xf8', 0)
eq_(str(instruction), 'call 0761h')
eq_(len(instruction), 3)
def mov_8c_06():
instruction = Instruction.decode(b'\x8c\x06\x84\x43', 0)
eq_(str(instruction), 'mov 4384h, es')
eq_(len(instruction), 4)
def mov_26_a1():
instruction = Instruction.decode(b'\x26\xa1\x02\x00', 0)
eq_(str(instruction), 'mov ax, es:2')
eq_(len(instruction), 4)
