shl method

void shl(
  1. int opcode
)

Implementation

void shl(int opcode) {
  registers.v[0xF] = (registers.v[_rxIndex(opcode)] & 0x80) == 0x80 ? 1 : 0;
  registers.v[_rxIndex(opcode)] <<= 1;
  registers.v[_rxIndex(opcode)] &= 0xFF;
}