3 * Copyright © 2017 František Kučera (frantovo.cz)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "../Command.h"
26 #include "../memory.h"
32 class IncrementDecrement : public Command {
35 IncrementDecrement(const bool increment, octet_t change) {
36 this->increment = increment;
37 this->change = change;
40 void process(octet_t* memory, address_t& index) override {
41 address_t address = read<address_t>(memory, index);
42 address_t address_r = address;
43 address_t address_w = address_r;
44 octet_t value = read<octet_t>(memory, address_r);
45 value = increment ? value + change : value - change;
46 write<octet_t>(memory, address_w, value);
47 wprintf(L"%sCREMENT %*d → %02X\n", (increment ? "IN" : "DE"), 5, address, value);