mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-12-30 18:30:08 +00:00
473 lines
14 KiB
C++
473 lines
14 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-21 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** ADB bus definitions
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Simulates Apple Desktop Bus (ADB) bus
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*/
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#include <devices/common/adb/adb.h>
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#include <loguru.hpp>
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#include <cinttypes>
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#include <cstring>
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#if 0
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#include <thirdparty/SDL2/include/SDL.h>
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#include <thirdparty/SDL2/include/SDL_events.h>
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#include <thirdparty/SDL2/include/SDL_keycode.h>
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#include <thirdparty/SDL2/include/SDL_mouse.h>
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#include <thirdparty/SDL2/include/SDL_stdinc.h>
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#endif
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using namespace std;
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ADB_Bus::ADB_Bus() {
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// set data streams as clear
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this->adb_mouse_register0 = 0x8080;
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input_stream_len = 0;
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output_stream_len = 2;
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adb_keybd_register3 = 0x6201;
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adb_mouse_register3 = 0x6302;
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keyboard_access_no = adb_encoded;
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mouse_access_no = adb_relative;
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}
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bool ADB_Bus::listen(int device, int reg) {
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if (device == keyboard_access_no) {
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if (adb_keybd_listen(reg)) {
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return true;
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} else {
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return false;
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}
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} else if (device == mouse_access_no) {
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if (adb_mouse_listen(reg)) {
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return true;
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} else {
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return false;
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}
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} else {
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return false;
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}
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}
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bool ADB_Bus::talk(int device, int reg, uint16_t value) {
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// temp code
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return false;
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}
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bool ADB_Bus::bus_reset() {
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// temp code
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return true;
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}
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bool ADB_Bus::set_addr(int dev_addr, int new_addr) {
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// temp code
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return false;
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}
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bool ADB_Bus::flush(int dev_addr) {
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// temp code
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return false;
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}
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bool ADB_Bus::adb_keybd_listen(int reg) {
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if (reg == 3) {
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output_data_stream[0] = (adb_keybd_register3 >> 8);
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output_data_stream[1] = (adb_keybd_register3 & 0xff);
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return true;
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}
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#if 0
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while (SDL_PollEvent(&adb_keybd_evt)) {
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// Poll our SDL key event for any keystrokes.
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switch (adb_keybd_evt.type) {
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case SDL_KEYDOWN:
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switch (adb_keybd_evt.key.keysym.sym) {
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case SDLK_a:
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ask_key_pressed = 0x00;
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break;
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case SDLK_s:
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ask_key_pressed = 0x01;
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break;
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case SDLK_d:
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ask_key_pressed = 0x02;
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break;
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case SDLK_f:
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ask_key_pressed = 0x03;
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break;
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case SDLK_h:
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ask_key_pressed = 0x04;
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break;
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case SDLK_g:
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ask_key_pressed = 0x05;
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break;
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case SDLK_z:
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ask_key_pressed = 0x06;
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break;
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case SDLK_x:
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ask_key_pressed = 0x07;
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break;
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case SDLK_c:
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ask_key_pressed = 0x08;
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break;
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case SDLK_v:
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ask_key_pressed = 0x09;
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break;
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case SDLK_b:
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ask_key_pressed = 0x0B;
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break;
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case SDLK_q:
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ask_key_pressed = 0x0C;
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break;
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case SDLK_w:
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ask_key_pressed = 0x0D;
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break;
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case SDLK_e:
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ask_key_pressed = 0x0E;
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break;
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case SDLK_r:
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ask_key_pressed = 0x0F;
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break;
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case SDLK_y:
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ask_key_pressed = 0x10;
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break;
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case SDLK_t:
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ask_key_pressed = 0x11;
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break;
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case SDLK_1:
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ask_key_pressed = 0x12;
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break;
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case SDLK_2:
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ask_key_pressed = 0x13;
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break;
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case SDLK_3:
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ask_key_pressed = 0x14;
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break;
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case SDLK_4:
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ask_key_pressed = 0x15;
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break;
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case SDLK_6:
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ask_key_pressed = 0x16;
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break;
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case SDLK_5:
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ask_key_pressed = 0x17;
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break;
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case SDLK_EQUALS:
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ask_key_pressed = 0x18;
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break;
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case SDLK_9:
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ask_key_pressed = 0x19;
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break;
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case SDLK_7:
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ask_key_pressed = 0x1A;
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break;
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case SDLK_MINUS:
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ask_key_pressed = 0x1B;
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break;
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case SDLK_8:
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ask_key_pressed = 0x1C;
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break;
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case SDLK_0:
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ask_key_pressed = 0x1D;
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break;
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case SDLK_RIGHTBRACKET:
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ask_key_pressed = 0x1E;
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break;
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case SDLK_o:
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ask_key_pressed = 0x1F;
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break;
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case SDLK_u:
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ask_key_pressed = 0x20;
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break;
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case SDLK_LEFTBRACKET:
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ask_key_pressed = 0x21;
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break;
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case SDLK_i:
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ask_key_pressed = 0x22;
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break;
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case SDLK_p:
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ask_key_pressed = 0x23;
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break;
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case SDLK_RETURN:
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ask_key_pressed = 0x24;
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break;
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case SDLK_l:
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ask_key_pressed = 0x25;
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break;
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case SDLK_j:
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ask_key_pressed = 0x26;
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break;
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case SDLK_QUOTE:
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ask_key_pressed = 0x27;
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break;
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case SDLK_k:
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ask_key_pressed = 0x28;
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break;
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case SDLK_SEMICOLON:
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ask_key_pressed = 0x29;
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break;
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case SDLK_BACKSLASH:
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ask_key_pressed = 0x2A;
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break;
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case SDLK_COMMA:
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ask_key_pressed = 0x2B;
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break;
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case SDLK_SLASH:
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ask_key_pressed = 0x2C;
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break;
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case SDLK_n:
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ask_key_pressed = 0x2D;
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break;
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case SDLK_m:
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ask_key_pressed = 0x2E;
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break;
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case SDLK_PERIOD:
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ask_key_pressed = 0x2F;
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break;
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case SDLK_BACKQUOTE:
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ask_key_pressed = 0x32;
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break;
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case SDLK_ESCAPE:
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ask_key_pressed = 0x35;
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break;
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case SDLK_LEFT:
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ask_key_pressed = 0x3B;
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break;
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case SDLK_RIGHT:
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ask_key_pressed = 0x3C;
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break;
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case SDLK_DOWN:
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ask_key_pressed = 0x3D;
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break;
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case SDLK_UP:
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ask_key_pressed = 0x3E;
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break;
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case SDLK_KP_PERIOD:
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ask_key_pressed = 0x41;
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break;
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case SDLK_KP_MULTIPLY:
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ask_key_pressed = 0x43;
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break;
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case SDLK_KP_PLUS:
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ask_key_pressed = 0x45;
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break;
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case SDLK_DELETE:
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ask_key_pressed = 0x47;
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break;
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case SDLK_KP_DIVIDE:
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ask_key_pressed = 0x4B;
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break;
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case SDLK_KP_ENTER:
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ask_key_pressed = 0x4C;
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break;
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case SDLK_KP_MINUS:
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ask_key_pressed = 0x4E;
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break;
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case SDLK_KP_0:
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ask_key_pressed = 0x52;
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break;
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case SDLK_KP_1:
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ask_key_pressed = 0x53;
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break;
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case SDLK_KP_2:
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ask_key_pressed = 0x54;
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break;
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case SDLK_KP_3:
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ask_key_pressed = 0x55;
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break;
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case SDLK_KP_4:
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ask_key_pressed = 0x56;
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break;
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case SDLK_KP_5:
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ask_key_pressed = 0x57;
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break;
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case SDLK_KP_6:
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ask_key_pressed = 0x58;
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break;
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case SDLK_KP_7:
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ask_key_pressed = 0x59;
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break;
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case SDLK_KP_8:
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ask_key_pressed = 0x5B;
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break;
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case SDLK_KP_9:
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ask_key_pressed = 0x5C;
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break;
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case SDLK_BACKSPACE:
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// ask_key_pressed = 0x33;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x40;
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break;
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case SDLK_CAPSLOCK:
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// ask_key_pressed = 0x39;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x20;
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break;
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case SDLK_RALT:
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case SDLK_RCTRL: // Temp key for Control key
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// ask_key_pressed = 0x36;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x8;
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break;
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case SDLK_LSHIFT:
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case SDLK_RSHIFT:
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// ask_key_pressed = 0x38;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x4;
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break;
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case SDLK_LALT:
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// ask_key_pressed = 0x3A;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x2;
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break;
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case SDLK_LCTRL: // Temp key for the Command/Apple key
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// ask_key_pressed = 0x37;
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confirm_ask_reg_2 = true;
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mod_key_pressed = 0x1;
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break;
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default:
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break;
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}
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if (adb_keybd_register0 & 0x8000) {
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adb_keybd_register0 &= 0x7FFF;
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adb_keybd_register0 &= (ask_key_pressed << 8);
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output_data_stream[0] = (adb_keybd_register0 >> 8);
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output_data_stream[1] = (adb_keybd_register0 & 0xff);
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} else if (adb_keybd_register0 & 0x80) {
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adb_keybd_register0 &= 0xFF7F;
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adb_keybd_register0 &= (ask_key_pressed);
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output_data_stream[0] = (adb_keybd_register0 >> 8);
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output_data_stream[1] = (adb_keybd_register0 & 0xff);
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}
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// check if mod keys are being pressed
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if (confirm_ask_reg_2) {
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adb_keybd_register0 |= (mod_key_pressed << 8);
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output_data_stream[0] = (adb_keybd_register2 >> 8);
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output_data_stream[1] = (adb_keybd_register2 & 0xff);
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}
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break;
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case SDL_KEYUP:
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if (!(adb_keybd_register0 & 0x8000)) {
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adb_keybd_register0 |= 0x8000;
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output_data_stream[0] = (adb_keybd_register0 >> 8);
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output_data_stream[1] = (adb_keybd_register0 & 0xff);
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} else if (adb_keybd_register0 & 0x80)
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adb_keybd_register0 |= 0x0080;
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output_data_stream[0] = (adb_keybd_register0 >> 8);
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output_data_stream[1] = (adb_keybd_register0 & 0xff);
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if (confirm_ask_reg_2) {
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adb_keybd_register2 &= (mod_key_pressed << 8);
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output_data_stream[0] = (adb_keybd_register2 >> 8);
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output_data_stream[1] = (adb_keybd_register2 & 0xff);
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confirm_ask_reg_2 = false;
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}
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}
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}
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#endif
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if ((reg != 1)) {
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return true;
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} else {
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return false;
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}
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}
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bool ADB_Bus::adb_mouse_listen(int reg) {
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if ((reg != 0) || (reg != 3)) {
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return false;
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}
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#if 0
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while (SDL_PollEvent(&adb_mouse_evt)) {
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if (adb_mouse_evt.motion.x) {
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this->adb_mouse_register0 &= 0x7F;
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if (adb_mouse_evt.motion.xrel < 0) {
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if (adb_mouse_evt.motion.xrel <= -64) {
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this->adb_mouse_register0 |= 0x7F;
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} else if (adb_mouse_evt.motion.xrel >= 63) {
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this->adb_mouse_register0 |= 0x3F;
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} else {
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this->adb_mouse_register0 |= adb_mouse_evt.motion.xrel;
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}
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}
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}
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if (adb_mouse_evt.motion.y) {
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this->adb_mouse_register0 &= 0x7F00;
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if (adb_mouse_evt.motion.yrel < 0) {
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if (adb_mouse_evt.motion.yrel <= -64) {
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this->adb_mouse_register0 |= 0x7F00;
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} else if (adb_mouse_evt.motion.yrel >= 63) {
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this->adb_mouse_register0 |= 0x3F00;
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} else {
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this->adb_mouse_register0 |= (adb_mouse_evt.motion.yrel << 8);
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}
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}
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}
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switch (adb_mouse_evt.type) {
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case SDL_MOUSEBUTTONDOWN:
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this->adb_mouse_register0 &= 0x7FFF;
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case SDL_MOUSEBUTTONUP:
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this->adb_mouse_register0 |= 0x8000;
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}
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}
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#endif
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if (reg == 0) {
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output_data_stream[0] = (adb_mouse_register0 >> 8);
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output_data_stream[1] = (adb_mouse_register0 & 0xff);
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} else if (reg == 3) {
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output_data_stream[0] = (adb_mouse_register3 >> 8);
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output_data_stream[1] = (adb_mouse_register3 & 0xff);
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}
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return true;
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}
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uint8_t ADB_Bus::get_input_byte(int offset) {
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return input_data_stream[offset];
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}
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uint8_t ADB_Bus::get_output_byte(int offset) {
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return output_data_stream[offset];
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}
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int ADB_Bus::get_input_len() {
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return input_stream_len;
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}
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int ADB_Bus::get_output_len() {
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return output_stream_len;
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}
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