| /********************************************************************** |
| * File: bits16.h (Formerly bits8.h) |
| * Description: Code for 8 bit field class. |
| * Author: Phil Cheatle |
| * Created: Thu Oct 17 10:10:05 BST 1991 |
| * |
| * (C) Copyright 1991, Hewlett-Packard Ltd. |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| * |
| **********************************************************************/ |
| |
| #ifndef BITS16_H |
| #define BITS16_H |
| |
| #include "host.h" |
| |
| class DLLSYM BITS16 |
| { |
| public: |
| uinT16 val; |
| |
| BITS16() { |
| val = 0; |
| } // constructor |
| |
| BITS16( // constructor |
| uinT16 init); // initial val |
| |
| void turn_on_bit( // flip specified bit |
| uinT8 bit_num) { // bit to flip 0..7 |
| val = val | 01 << bit_num; |
| }; |
| |
| void turn_off_bit( // flip specified bit |
| uinT8 bit_num) { // bit to flip 0..7 |
| val = val & ~(01 << bit_num); |
| }; |
| |
| void set_bit( // flip specified bit |
| uinT8 bit_num, // bit to flip 0..7 |
| BOOL8 value) { // value to flip to |
| if (value) |
| val = val | 01 << bit_num; |
| else |
| val = val & ~(01 << bit_num); |
| }; |
| |
| BOOL8 bit( // access bit |
| uinT8 bit_num) const { // bit to access |
| return (val >> bit_num) & 01; |
| }; |
| }; |
| #endif |