mirror of
https://github.com/kanjitalk755/macemu.git
synced 2024-12-23 19:29:18 +00:00
delete adb.cpp to revert
This commit is contained in:
kanjitalk755
parent
86ad0c8ef4
commit
73a0dc21a7
@ -1,460 +0,0 @@
|
||||
/*
|
||||
* adb.cpp - ADB emulation (mouse/keyboard)
|
||||
*
|
||||
* Basilisk II (C) Christian Bauer
|
||||
*
|
||||
* 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 2 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, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
/*
|
||||
* SEE ALSO
|
||||
* Inside Macintosh: Devices, chapter 5 "ADB Manager"
|
||||
* Technote HW 01: "ADB - The Untold Story: Space Aliens Ate My Mouse"
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "sysdeps.h"
|
||||
#include "cpu_emulation.h"
|
||||
#include "emul_op.h"
|
||||
#include "main.h"
|
||||
#include "prefs.h"
|
||||
#include "video.h"
|
||||
#include "adb.h"
|
||||
|
||||
#ifdef POWERPC_ROM
|
||||
#include "thunks.h"
|
||||
#endif
|
||||
|
||||
#define DEBUG 0
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
// Global variables
|
||||
static int mouse_x = 0, mouse_y = 0; // Mouse position
|
||||
static int old_mouse_x = 0, old_mouse_y = 0;
|
||||
static bool mouse_button[3] = {false, false, false}; // Mouse button states
|
||||
static bool old_mouse_button[3] = {false, false, false};
|
||||
static bool relative_mouse = false;
|
||||
|
||||
static uint8 key_states[16]; // Key states (Mac keycodes)
|
||||
#define MATRIX(code) (key_states[code >> 3] & (1 << (~code & 7)))
|
||||
|
||||
// Keyboard event buffer (Mac keycodes with up/down flag)
|
||||
const int KEY_BUFFER_SIZE = 16;
|
||||
static uint8 key_buffer[KEY_BUFFER_SIZE];
|
||||
static unsigned int key_read_ptr = 0, key_write_ptr = 0;
|
||||
|
||||
static uint8 mouse_reg_3[2] = {0x63, 0x01}; // Mouse ADB register 3
|
||||
|
||||
static uint8 key_reg_2[2] = {0xff, 0xff}; // Keyboard ADB register 2
|
||||
static uint8 key_reg_3[2] = {0x62, 0x05}; // Keyboard ADB register 3
|
||||
|
||||
static uint8 m_keyboard_type = 0x05;
|
||||
|
||||
// ADB mouse motion lock (for platforms that use separate input thread)
|
||||
static B2_mutex *mouse_lock;
|
||||
|
||||
|
||||
/*
|
||||
* Initialize ADB emulation
|
||||
*/
|
||||
|
||||
void ADBInit(void)
|
||||
{
|
||||
mouse_lock = B2_create_mutex();
|
||||
m_keyboard_type = (uint8)PrefsFindInt32("keyboardtype");
|
||||
key_reg_3[1] = m_keyboard_type;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Exit ADB emulation
|
||||
*/
|
||||
|
||||
void ADBExit(void)
|
||||
{
|
||||
if (mouse_lock) {
|
||||
B2_delete_mutex(mouse_lock);
|
||||
mouse_lock = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* ADBOp() replacement
|
||||
*/
|
||||
|
||||
void ADBOp(uint8 op, uint8 *data)
|
||||
{
|
||||
D(bug("ADBOp op %02x, data %02x %02x %02x\n", op, data[0], data[1], data[2]));
|
||||
|
||||
// ADB reset?
|
||||
if ((op & 0x0f) == 0) {
|
||||
mouse_reg_3[0] = 0x63;
|
||||
mouse_reg_3[1] = 0x01;
|
||||
key_reg_2[0] = 0xff;
|
||||
key_reg_2[1] = 0xff;
|
||||
key_reg_3[0] = 0x62;
|
||||
key_reg_3[1] = m_keyboard_type;
|
||||
return;
|
||||
}
|
||||
|
||||
// Cut op into fields
|
||||
uint8 adr = op >> 4;
|
||||
uint8 cmd = (op >> 2) & 3;
|
||||
uint8 reg = op & 3;
|
||||
|
||||
// Check which device was addressed and act accordingly
|
||||
if (adr == (mouse_reg_3[0] & 0x0f)) {
|
||||
|
||||
// Mouse
|
||||
if (cmd == 2) {
|
||||
|
||||
// Listen
|
||||
switch (reg) {
|
||||
case 3: // Address/HandlerID
|
||||
if (data[2] == 0xfe) // Change address
|
||||
mouse_reg_3[0] = (mouse_reg_3[0] & 0xf0) | (data[1] & 0x0f);
|
||||
else if (data[2] == 1 || data[2] == 2 || data[2] == 4) // Change device handler ID
|
||||
mouse_reg_3[1] = data[2];
|
||||
else if (data[2] == 0x00) // Change address and enable bit
|
||||
mouse_reg_3[0] = (mouse_reg_3[0] & 0xd0) | (data[1] & 0x2f);
|
||||
break;
|
||||
}
|
||||
|
||||
} else if (cmd == 3) {
|
||||
|
||||
// Talk
|
||||
switch (reg) {
|
||||
case 1: // Extended mouse protocol
|
||||
data[0] = 8;
|
||||
data[1] = 'a'; // Identifier
|
||||
data[2] = 'p';
|
||||
data[3] = 'p';
|
||||
data[4] = 'l';
|
||||
data[5] = 300 >> 8; // Resolution (dpi)
|
||||
data[6] = 300 & 0xff;
|
||||
data[7] = 1; // Class (mouse)
|
||||
data[8] = 3; // Number of buttons
|
||||
break;
|
||||
case 3: // Address/HandlerID
|
||||
data[0] = 2;
|
||||
data[1] = mouse_reg_3[0] & 0xf0 | (rand() & 0x0f);
|
||||
data[2] = mouse_reg_3[1];
|
||||
break;
|
||||
default:
|
||||
data[0] = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
D(bug(" mouse reg 3 %02x%02x\n", mouse_reg_3[0], mouse_reg_3[1]));
|
||||
|
||||
} else if (adr == (key_reg_3[0] & 0x0f)) {
|
||||
|
||||
// Keyboard
|
||||
if (cmd == 2) {
|
||||
|
||||
// Listen
|
||||
switch (reg) {
|
||||
case 2: // LEDs/Modifiers
|
||||
key_reg_2[0] = data[1];
|
||||
key_reg_2[1] = data[2];
|
||||
break;
|
||||
case 3: // Address/HandlerID
|
||||
if (data[2] == 0xfe) // Change address
|
||||
key_reg_3[0] = (key_reg_3[0] & 0xf0) | (data[1] & 0x0f);
|
||||
else if (data[2] == 0x00) // Change address and enable bit
|
||||
key_reg_3[0] = (key_reg_3[0] & 0xd0) | (data[1] & 0x2f);
|
||||
break;
|
||||
}
|
||||
|
||||
} else if (cmd == 3) {
|
||||
|
||||
// Talk
|
||||
switch (reg) {
|
||||
case 2: { // LEDs/Modifiers
|
||||
uint8 reg2hi = 0xff;
|
||||
uint8 reg2lo = key_reg_2[1] | 0xf8;
|
||||
if (MATRIX(0x6b)) // Scroll Lock
|
||||
reg2lo &= ~0x40;
|
||||
if (MATRIX(0x47)) // Num Lock
|
||||
reg2lo &= ~0x80;
|
||||
if (MATRIX(0x37)) // Command
|
||||
reg2hi &= ~0x01;
|
||||
if (MATRIX(0x3a)) // Option
|
||||
reg2hi &= ~0x02;
|
||||
if (MATRIX(0x38)) // Shift
|
||||
reg2hi &= ~0x04;
|
||||
if (MATRIX(0x36)) // Control
|
||||
reg2hi &= ~0x08;
|
||||
if (MATRIX(0x39)) // Caps Lock
|
||||
reg2hi &= ~0x20;
|
||||
if (MATRIX(0x75)) // Delete
|
||||
reg2hi &= ~0x40;
|
||||
data[0] = 2;
|
||||
data[1] = reg2hi;
|
||||
data[2] = reg2lo;
|
||||
break;
|
||||
}
|
||||
case 3: // Address/HandlerID
|
||||
data[0] = 2;
|
||||
data[1] = key_reg_3[0] & 0xf0 | (rand() & 0x0f);
|
||||
data[2] = key_reg_3[1];
|
||||
break;
|
||||
default:
|
||||
data[0] = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
D(bug(" keyboard reg 3 %02x%02x\n", key_reg_3[0], key_reg_3[1]));
|
||||
|
||||
} else // Unknown address
|
||||
if (cmd == 3)
|
||||
data[0] = 0; // Talk: 0 bytes of data
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Mouse was moved (x/y are absolute or relative, depending on ADBSetRelMouseMode())
|
||||
*/
|
||||
|
||||
void ADBMouseMoved(int x, int y)
|
||||
{
|
||||
B2_lock_mutex(mouse_lock);
|
||||
if (relative_mouse) {
|
||||
mouse_x += x; mouse_y += y;
|
||||
} else {
|
||||
mouse_x = x; mouse_y = y;
|
||||
}
|
||||
B2_unlock_mutex(mouse_lock);
|
||||
SetInterruptFlag(INTFLAG_ADB);
|
||||
TriggerInterrupt();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Mouse button pressed
|
||||
*/
|
||||
|
||||
void ADBMouseDown(int button)
|
||||
{
|
||||
mouse_button[button] = true;
|
||||
SetInterruptFlag(INTFLAG_ADB);
|
||||
TriggerInterrupt();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Mouse button released
|
||||
*/
|
||||
|
||||
void ADBMouseUp(int button)
|
||||
{
|
||||
mouse_button[button] = false;
|
||||
SetInterruptFlag(INTFLAG_ADB);
|
||||
TriggerInterrupt();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Set mouse mode (absolute or relative)
|
||||
*/
|
||||
|
||||
void ADBSetRelMouseMode(bool relative)
|
||||
{
|
||||
if (relative_mouse != relative) {
|
||||
relative_mouse = relative;
|
||||
mouse_x = mouse_y = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Key pressed ("code" is the Mac key code)
|
||||
*/
|
||||
|
||||
void ADBKeyDown(int code)
|
||||
{
|
||||
// Add keycode to buffer
|
||||
key_buffer[key_write_ptr] = code;
|
||||
key_write_ptr = (key_write_ptr + 1) % KEY_BUFFER_SIZE;
|
||||
|
||||
// Set key in matrix
|
||||
key_states[code >> 3] |= (1 << (~code & 7));
|
||||
|
||||
// Trigger interrupt
|
||||
SetInterruptFlag(INTFLAG_ADB);
|
||||
TriggerInterrupt();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Key released ("code" is the Mac key code)
|
||||
*/
|
||||
|
||||
void ADBKeyUp(int code)
|
||||
{
|
||||
// Add keycode to buffer
|
||||
key_buffer[key_write_ptr] = code | 0x80; // Key-up flag
|
||||
key_write_ptr = (key_write_ptr + 1) % KEY_BUFFER_SIZE;
|
||||
|
||||
// Clear key in matrix
|
||||
key_states[code >> 3] &= ~(1 << (~code & 7));
|
||||
|
||||
// Trigger interrupt
|
||||
SetInterruptFlag(INTFLAG_ADB);
|
||||
TriggerInterrupt();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* ADB interrupt function (executed as part of 60Hz interrupt)
|
||||
*/
|
||||
|
||||
void ADBInterrupt(void)
|
||||
{
|
||||
M68kRegisters r;
|
||||
|
||||
// Return if ADB is not initialized
|
||||
uint32 adb_base = ReadMacInt32(0xcf8);
|
||||
if (!adb_base || adb_base == 0xffffffff)
|
||||
return;
|
||||
uint32 tmp_data = adb_base + 0x163; // Temporary storage for faked ADB data
|
||||
|
||||
// Get mouse state
|
||||
B2_lock_mutex(mouse_lock);
|
||||
int mx = mouse_x;
|
||||
int my = mouse_y;
|
||||
if (relative_mouse)
|
||||
mouse_x = mouse_y = 0;
|
||||
bool mb[3] = {mouse_button[0], mouse_button[1], mouse_button[2]};
|
||||
B2_unlock_mutex(mouse_lock);
|
||||
|
||||
uint32 key_base = adb_base + 4;
|
||||
uint32 mouse_base = adb_base + 16;
|
||||
|
||||
if (relative_mouse) {
|
||||
|
||||
// Mouse movement (relative) and buttons
|
||||
if (mx != 0 || my != 0 || mb[0] != old_mouse_button[0] || mb[1] != old_mouse_button[1] || mb[2] != old_mouse_button[2]) {
|
||||
|
||||
// Call mouse ADB handler
|
||||
if (mouse_reg_3[1] == 4) {
|
||||
// Extended mouse protocol
|
||||
WriteMacInt8(tmp_data, 3);
|
||||
WriteMacInt8(tmp_data + 1, (my & 0x7f) | (mb[0] ? 0 : 0x80));
|
||||
WriteMacInt8(tmp_data + 2, (mx & 0x7f) | (mb[1] ? 0 : 0x80));
|
||||
WriteMacInt8(tmp_data + 3, ((my >> 3) & 0x70) | ((mx >> 7) & 0x07) | (mb[2] ? 0x08 : 0x88));
|
||||
} else {
|
||||
// 100/200 dpi mode
|
||||
WriteMacInt8(tmp_data, 2);
|
||||
WriteMacInt8(tmp_data + 1, (my & 0x7f) | (mb[0] ? 0 : 0x80));
|
||||
WriteMacInt8(tmp_data + 2, (mx & 0x7f) | (mb[1] ? 0 : 0x80));
|
||||
}
|
||||
r.a[0] = tmp_data;
|
||||
r.a[1] = ReadMacInt32(mouse_base);
|
||||
r.a[2] = ReadMacInt32(mouse_base + 4);
|
||||
r.a[3] = adb_base;
|
||||
r.d[0] = (mouse_reg_3[0] << 4) | 0x0c; // Talk 0
|
||||
Execute68k(r.a[1], &r);
|
||||
|
||||
old_mouse_button[0] = mb[0];
|
||||
old_mouse_button[1] = mb[1];
|
||||
old_mouse_button[2] = mb[2];
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
// Update mouse position (absolute)
|
||||
if (mx != old_mouse_x || my != old_mouse_y) {
|
||||
#ifdef POWERPC_ROM
|
||||
static const uint8 proc_template[] = {
|
||||
0x2f, 0x08, // move.l a0,-(sp)
|
||||
0x2f, 0x00, // move.l d0,-(sp)
|
||||
0x2f, 0x01, // move.l d1,-(sp)
|
||||
0x70, 0x01, // moveq #1,d0 (MoveTo)
|
||||
0xaa, 0xdb, // CursorDeviceDispatch
|
||||
M68K_RTS >> 8, M68K_RTS & 0xff
|
||||
};
|
||||
BUILD_SHEEPSHAVER_PROCEDURE(proc);
|
||||
r.a[0] = ReadMacInt32(mouse_base + 4);
|
||||
r.d[0] = mx;
|
||||
r.d[1] = my;
|
||||
Execute68k(proc, &r);
|
||||
#else
|
||||
WriteMacInt16(0x82a, mx);
|
||||
WriteMacInt16(0x828, my);
|
||||
WriteMacInt16(0x82e, mx);
|
||||
WriteMacInt16(0x82c, my);
|
||||
WriteMacInt8(0x8ce, ReadMacInt8(0x8cf)); // CrsrCouple -> CrsrNew
|
||||
#endif
|
||||
old_mouse_x = mx;
|
||||
old_mouse_y = my;
|
||||
}
|
||||
|
||||
// Send mouse button events
|
||||
if (mb[0] != old_mouse_button[0] || mb[1] != old_mouse_button[1] || mb[2] != old_mouse_button[2]) {
|
||||
uint32 mouse_base = adb_base + 16;
|
||||
|
||||
// Call mouse ADB handler
|
||||
if (mouse_reg_3[1] == 4) {
|
||||
// Extended mouse protocol
|
||||
WriteMacInt8(tmp_data, 3);
|
||||
WriteMacInt8(tmp_data + 1, mb[0] ? 0 : 0x80);
|
||||
WriteMacInt8(tmp_data + 2, mb[1] ? 0 : 0x80);
|
||||
WriteMacInt8(tmp_data + 3, mb[2] ? 0x08 : 0x88);
|
||||
} else {
|
||||
// 100/200 dpi mode
|
||||
WriteMacInt8(tmp_data, 2);
|
||||
WriteMacInt8(tmp_data + 1, mb[0] ? 0 : 0x80);
|
||||
WriteMacInt8(tmp_data + 2, mb[1] ? 0 : 0x80);
|
||||
}
|
||||
r.a[0] = tmp_data;
|
||||
r.a[1] = ReadMacInt32(mouse_base);
|
||||
r.a[2] = ReadMacInt32(mouse_base + 4);
|
||||
r.a[3] = adb_base;
|
||||
r.d[0] = (mouse_reg_3[0] << 4) | 0x0c; // Talk 0
|
||||
Execute68k(r.a[1], &r);
|
||||
|
||||
old_mouse_button[0] = mb[0];
|
||||
old_mouse_button[1] = mb[1];
|
||||
old_mouse_button[2] = mb[2];
|
||||
}
|
||||
}
|
||||
|
||||
// Process accumulated keyboard events
|
||||
while (key_read_ptr != key_write_ptr) {
|
||||
|
||||
// Read keyboard event
|
||||
uint8 mac_code = key_buffer[key_read_ptr];
|
||||
key_read_ptr = (key_read_ptr + 1) % KEY_BUFFER_SIZE;
|
||||
|
||||
// Call keyboard ADB handler
|
||||
WriteMacInt8(tmp_data, 2);
|
||||
WriteMacInt8(tmp_data + 1, mac_code);
|
||||
WriteMacInt8(tmp_data + 2, mac_code == 0x7f ? 0x7f : 0xff); // Power key is special
|
||||
r.a[0] = tmp_data;
|
||||
r.a[1] = ReadMacInt32(key_base);
|
||||
r.a[2] = ReadMacInt32(key_base + 4);
|
||||
r.a[3] = adb_base;
|
||||
r.d[0] = (key_reg_3[0] << 4) | 0x0c; // Talk 0
|
||||
Execute68k(r.a[1], &r);
|
||||
}
|
||||
|
||||
// Clear temporary data
|
||||
WriteMacInt32(tmp_data, 0);
|
||||
WriteMacInt32(tmp_data + 4, 0);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user