Module: Haxor::Utils

Defined in:
lib/haxor/utils.rb

Class Method Summary collapse

Class Method Details

.decode_opcode(opcode) ⇒ Object 



13
14
15
16
17
18
19
20
21
22
 
# File 'lib/haxor/utils.rb', line 13

def self.decode_opcode(opcode)
  r = OpenStruct.new
  r.cmd   = opcode & 0x7f
  r.flags = (opcode >> 7) & 0x03
  r.reg1  = (opcode >> 9) & 0x3f
  r.reg2  = (opcode >> 15) & 0x3f
  r.reg3  = (opcode >> 21) & 0x3f
  r.imm   = (opcode >> 27)
  r
end

.encode_opcode(cmd = 0, flags = 0, reg1 = 0, reg2 = 0, reg3 = 0, imm = 0) ⇒ Object 



3
4
5
6
7
8
9
10
11
 
# File 'lib/haxor/utils.rb', line 3

def self.encode_opcode(cmd = 0, flags = 0, reg1 = 0, reg2 = 0, reg3 = 0, imm = 0)
  result = cmd
  result |= flags << 7
  result |= reg1 << 9
  result |= reg2 << 15
  result |= reg3 << 21
  result |= imm << 27
  result
end