Merge pull request #70 from mihaip/upstream-adb-cleanup

Remove obsolete ADB_Bus class
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Maxim Poliakovski 2023-12-04 11:10:11 +01:00 committed by GitHub
commit 8a987afefd
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/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/** ADB bus definitions
Simulates Apple Desktop Bus (ADB) bus
*/
#include <devices/common/adb/adb.h>
#if 0
#include <thirdparty/SDL2/include/SDL.h>
#include <thirdparty/SDL2/include/SDL_events.h>
#include <thirdparty/SDL2/include/SDL_keycode.h>
#include <thirdparty/SDL2/include/SDL_mouse.h>
#include <thirdparty/SDL2/include/SDL_stdinc.h>
#endif
using namespace std;
ADB_Bus::ADB_Bus() {
// set data streams as clear
this->adb_mouse_register0 = 0x8080;
input_stream_len = 0;
output_stream_len = 2;
adb_keybd_register3 = 0x6201;
adb_mouse_register3 = 0x6302;
keyboard_access_no = adb_encoded;
mouse_access_no = adb_relative;
}
bool ADB_Bus::listen(int device, int reg) {
if (device == keyboard_access_no) {
if (adb_keybd_listen(reg)) {
return true;
} else {
return false;
}
} else if (device == mouse_access_no) {
if (adb_mouse_listen(reg)) {
return true;
} else {
return false;
}
} else {
return false;
}
}
bool ADB_Bus::talk(int device, int reg, uint16_t value) {
// temp code
return false;
}
bool ADB_Bus::bus_reset() {
// temp code
return true;
}
bool ADB_Bus::set_addr(int dev_addr, int new_addr) {
// temp code
return false;
}
bool ADB_Bus::flush(int dev_addr) {
// temp code
return false;
}
bool ADB_Bus::adb_keybd_listen(int reg) {
if (reg == 3) {
output_data_stream[0] = (adb_keybd_register3 >> 8);
output_data_stream[1] = (adb_keybd_register3 & 0xff);
return true;
}
#if 0
while (SDL_PollEvent(&adb_keybd_evt)) {
// Poll our SDL key event for any keystrokes.
switch (adb_keybd_evt.type) {
case SDL_KEYDOWN:
switch (adb_keybd_evt.key.keysym.sym) {
case SDLK_a:
ask_key_pressed = 0x00;
break;
case SDLK_s:
ask_key_pressed = 0x01;
break;
case SDLK_d:
ask_key_pressed = 0x02;
break;
case SDLK_f:
ask_key_pressed = 0x03;
break;
case SDLK_h:
ask_key_pressed = 0x04;
break;
case SDLK_g:
ask_key_pressed = 0x05;
break;
case SDLK_z:
ask_key_pressed = 0x06;
break;
case SDLK_x:
ask_key_pressed = 0x07;
break;
case SDLK_c:
ask_key_pressed = 0x08;
break;
case SDLK_v:
ask_key_pressed = 0x09;
break;
case SDLK_b:
ask_key_pressed = 0x0B;
break;
case SDLK_q:
ask_key_pressed = 0x0C;
break;
case SDLK_w:
ask_key_pressed = 0x0D;
break;
case SDLK_e:
ask_key_pressed = 0x0E;
break;
case SDLK_r:
ask_key_pressed = 0x0F;
break;
case SDLK_y:
ask_key_pressed = 0x10;
break;
case SDLK_t:
ask_key_pressed = 0x11;
break;
case SDLK_1:
ask_key_pressed = 0x12;
break;
case SDLK_2:
ask_key_pressed = 0x13;
break;
case SDLK_3:
ask_key_pressed = 0x14;
break;
case SDLK_4:
ask_key_pressed = 0x15;
break;
case SDLK_6:
ask_key_pressed = 0x16;
break;
case SDLK_5:
ask_key_pressed = 0x17;
break;
case SDLK_EQUALS:
ask_key_pressed = 0x18;
break;
case SDLK_9:
ask_key_pressed = 0x19;
break;
case SDLK_7:
ask_key_pressed = 0x1A;
break;
case SDLK_MINUS:
ask_key_pressed = 0x1B;
break;
case SDLK_8:
ask_key_pressed = 0x1C;
break;
case SDLK_0:
ask_key_pressed = 0x1D;
break;
case SDLK_RIGHTBRACKET:
ask_key_pressed = 0x1E;
break;
case SDLK_o:
ask_key_pressed = 0x1F;
break;
case SDLK_u:
ask_key_pressed = 0x20;
break;
case SDLK_LEFTBRACKET:
ask_key_pressed = 0x21;
break;
case SDLK_i:
ask_key_pressed = 0x22;
break;
case SDLK_p:
ask_key_pressed = 0x23;
break;
case SDLK_RETURN:
ask_key_pressed = 0x24;
break;
case SDLK_l:
ask_key_pressed = 0x25;
break;
case SDLK_j:
ask_key_pressed = 0x26;
break;
case SDLK_QUOTE:
ask_key_pressed = 0x27;
break;
case SDLK_k:
ask_key_pressed = 0x28;
break;
case SDLK_SEMICOLON:
ask_key_pressed = 0x29;
break;
case SDLK_BACKSLASH:
ask_key_pressed = 0x2A;
break;
case SDLK_COMMA:
ask_key_pressed = 0x2B;
break;
case SDLK_SLASH:
ask_key_pressed = 0x2C;
break;
case SDLK_n:
ask_key_pressed = 0x2D;
break;
case SDLK_m:
ask_key_pressed = 0x2E;
break;
case SDLK_PERIOD:
ask_key_pressed = 0x2F;
break;
case SDLK_BACKQUOTE:
ask_key_pressed = 0x32;
break;
case SDLK_ESCAPE:
ask_key_pressed = 0x35;
break;
case SDLK_LEFT:
ask_key_pressed = 0x3B;
break;
case SDLK_RIGHT:
ask_key_pressed = 0x3C;
break;
case SDLK_DOWN:
ask_key_pressed = 0x3D;
break;
case SDLK_UP:
ask_key_pressed = 0x3E;
break;
case SDLK_KP_PERIOD:
ask_key_pressed = 0x41;
break;
case SDLK_KP_MULTIPLY:
ask_key_pressed = 0x43;
break;
case SDLK_KP_PLUS:
ask_key_pressed = 0x45;
break;
case SDLK_DELETE:
ask_key_pressed = 0x47;
break;
case SDLK_KP_DIVIDE:
ask_key_pressed = 0x4B;
break;
case SDLK_KP_ENTER:
ask_key_pressed = 0x4C;
break;
case SDLK_KP_MINUS:
ask_key_pressed = 0x4E;
break;
case SDLK_KP_0:
ask_key_pressed = 0x52;
break;
case SDLK_KP_1:
ask_key_pressed = 0x53;
break;
case SDLK_KP_2:
ask_key_pressed = 0x54;
break;
case SDLK_KP_3:
ask_key_pressed = 0x55;
break;
case SDLK_KP_4:
ask_key_pressed = 0x56;
break;
case SDLK_KP_5:
ask_key_pressed = 0x57;
break;
case SDLK_KP_6:
ask_key_pressed = 0x58;
break;
case SDLK_KP_7:
ask_key_pressed = 0x59;
break;
case SDLK_KP_8:
ask_key_pressed = 0x5B;
break;
case SDLK_KP_9:
ask_key_pressed = 0x5C;
break;
case SDLK_BACKSPACE:
// ask_key_pressed = 0x33;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x40;
break;
case SDLK_CAPSLOCK:
// ask_key_pressed = 0x39;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x20;
break;
case SDLK_RALT:
case SDLK_RCTRL: // Temp key for Control key
// ask_key_pressed = 0x36;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x8;
break;
case SDLK_LSHIFT:
case SDLK_RSHIFT:
// ask_key_pressed = 0x38;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x4;
break;
case SDLK_LALT:
// ask_key_pressed = 0x3A;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x2;
break;
case SDLK_LCTRL: // Temp key for the Command/Apple key
// ask_key_pressed = 0x37;
confirm_ask_reg_2 = true;
mod_key_pressed = 0x1;
break;
default:
break;
}
if (adb_keybd_register0 & 0x8000) {
adb_keybd_register0 &= 0x7FFF;
adb_keybd_register0 &= (ask_key_pressed << 8);
output_data_stream[0] = (adb_keybd_register0 >> 8);
output_data_stream[1] = (adb_keybd_register0 & 0xff);
} else if (adb_keybd_register0 & 0x80) {
adb_keybd_register0 &= 0xFF7F;
adb_keybd_register0 &= (ask_key_pressed);
output_data_stream[0] = (adb_keybd_register0 >> 8);
output_data_stream[1] = (adb_keybd_register0 & 0xff);
}
// check if mod keys are being pressed
if (confirm_ask_reg_2) {
adb_keybd_register0 |= (mod_key_pressed << 8);
output_data_stream[0] = (adb_keybd_register2 >> 8);
output_data_stream[1] = (adb_keybd_register2 & 0xff);
}
break;
case SDL_KEYUP:
if (!(adb_keybd_register0 & 0x8000)) {
adb_keybd_register0 |= 0x8000;
output_data_stream[0] = (adb_keybd_register0 >> 8);
output_data_stream[1] = (adb_keybd_register0 & 0xff);
} else if (adb_keybd_register0 & 0x80)
adb_keybd_register0 |= 0x0080;
output_data_stream[0] = (adb_keybd_register0 >> 8);
output_data_stream[1] = (adb_keybd_register0 & 0xff);
if (confirm_ask_reg_2) {
adb_keybd_register2 &= (mod_key_pressed << 8);
output_data_stream[0] = (adb_keybd_register2 >> 8);
output_data_stream[1] = (adb_keybd_register2 & 0xff);
confirm_ask_reg_2 = false;
}
}
}
#endif
if ((reg != 1)) {
return true;
} else {
return false;
}
}
bool ADB_Bus::adb_mouse_listen(int reg) {
if ((reg != 0) || (reg != 3)) {
return false;
}
#if 0
while (SDL_PollEvent(&adb_mouse_evt)) {
if (adb_mouse_evt.motion.x) {
this->adb_mouse_register0 &= 0x7F;
if (adb_mouse_evt.motion.xrel < 0) {
if (adb_mouse_evt.motion.xrel <= -64) {
this->adb_mouse_register0 |= 0x7F;
} else if (adb_mouse_evt.motion.xrel >= 63) {
this->adb_mouse_register0 |= 0x3F;
} else {
this->adb_mouse_register0 |= adb_mouse_evt.motion.xrel;
}
}
}
if (adb_mouse_evt.motion.y) {
this->adb_mouse_register0 &= 0x7F00;
if (adb_mouse_evt.motion.yrel < 0) {
if (adb_mouse_evt.motion.yrel <= -64) {
this->adb_mouse_register0 |= 0x7F00;
} else if (adb_mouse_evt.motion.yrel >= 63) {
this->adb_mouse_register0 |= 0x3F00;
} else {
this->adb_mouse_register0 |= (adb_mouse_evt.motion.yrel << 8);
}
}
}
switch (adb_mouse_evt.type) {
case SDL_MOUSEBUTTONDOWN:
this->adb_mouse_register0 &= 0x7FFF;
case SDL_MOUSEBUTTONUP:
this->adb_mouse_register0 |= 0x8000;
}
}
#endif
if (reg == 0) {
output_data_stream[0] = (adb_mouse_register0 >> 8);
output_data_stream[1] = (adb_mouse_register0 & 0xff);
} else if (reg == 3) {
output_data_stream[0] = (adb_mouse_register3 >> 8);
output_data_stream[1] = (adb_mouse_register3 & 0xff);
}
return true;
}
uint8_t ADB_Bus::get_input_byte(int offset) {
return input_data_stream[offset];
}
uint8_t ADB_Bus::get_output_byte(int offset) {
return output_data_stream[offset];
}
int ADB_Bus::get_input_len() {
return input_stream_len;
}
int ADB_Bus::get_output_len() {
return output_stream_len;
}

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/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ADB_H
#define ADB_H
#include <cinttypes>
#if 0
#include <thirdparty/SDL2/include/SDL.h>
#include <thirdparty/SDL2/include/SDL_events.h>
#endif
enum adb_default_values {
adb_reserved0,
adb_reserved1,
adb_encoded,
adb_relative,
adb_absolute,
adb_reserved5,
adb_reserved6,
adb_reserved7,
adb_other8,
adb_other9,
adb_other10,
adb_other11,
adb_other12,
adb_other13,
adb_other14,
adb_other15
};
class ADB_Bus {
public:
ADB_Bus();
~ADB_Bus() = default;
bool listen(int device, int reg);
bool talk(int device, int reg, uint16_t value);
bool bus_reset();
bool set_addr(int dev_addr, int new_addr);
bool flush(int dev_addr);
bool adb_keybd_listen(int reg);
bool adb_mouse_listen(int reg);
uint8_t get_input_byte(int offset);
uint8_t get_output_byte(int offset);
int get_input_len();
int get_output_len();
private:
int keyboard_access_no;
int mouse_access_no;
// Keyboard Variables
uint16_t adb_keybd_register0;
uint16_t adb_keybd_register2;
uint16_t adb_keybd_register3;
//SDL_Event adb_keybd_evt;
uint8_t ask_key_pressed;
uint8_t mod_key_pressed;
bool confirm_ask_reg_2;
// Mouse Variables
//SDL_Event adb_mouse_evt;
uint16_t adb_mouse_register0;
uint16_t adb_mouse_register3;
uint8_t input_data_stream[16]; // temp buffer
int input_stream_len;
uint8_t output_data_stream[16]; // temp buffer
int output_stream_len;
};
#endif /* ADB_H */