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/* |
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* adb.cpp - ADB emulation (mouse/keyboard) |
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* |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* Basilisk II (C) 1997-2005 Christian Bauer |
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* |
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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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#include "sysdeps.h" |
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "emul_op.h" |
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#include "main.h" |
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#include "prefs.h" |
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#include "video.h" |
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#include "adb.h" |
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#ifdef POWERPC_ROM |
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#include "thunks.h" |
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#endif |
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#define DEBUG 0 |
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#include "debug.h" |
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static uint8 key_reg_2[2] = {0xff, 0xff}; // Keyboard ADB register 2 |
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static uint8 key_reg_3[2] = {0x62, 0x05}; // Keyboard ADB register 3 |
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// ADB mouse input state lock (for platforms that use separate input thread) |
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static uint8 m_keyboard_type = 0x05; |
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// ADB mouse motion lock (for platforms that use separate input thread) |
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static B2_mutex *mouse_lock; |
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void ADBInit(void) |
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{ |
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mouse_lock = B2_create_mutex(); |
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m_keyboard_type = (uint8)PrefsFindInt32("keyboardtype"); |
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key_reg_3[1] = m_keyboard_type; |
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} |
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key_reg_2[0] = 0xff; |
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key_reg_2[1] = 0xff; |
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key_reg_3[0] = 0x62; |
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key_reg_3[1] = 0x05; |
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key_reg_3[1] = m_keyboard_type; |
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return; |
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} |
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mouse_x = x; mouse_y = y; |
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} |
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B2_unlock_mutex(mouse_lock); |
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SetInterruptFlag(INTFLAG_ADB); |
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TriggerInterrupt(); |
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} |
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void ADBMouseDown(int button) |
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{ |
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B2_lock_mutex(mouse_lock); |
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mouse_button[button] = true; |
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B2_unlock_mutex(mouse_lock); |
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SetInterruptFlag(INTFLAG_ADB); |
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TriggerInterrupt(); |
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} |
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/* |
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* First mouse button released |
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* Mouse button released |
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*/ |
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void ADBMouseUp(int button) |
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{ |
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B2_lock_mutex(mouse_lock); |
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mouse_button[button] = false; |
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B2_unlock_mutex(mouse_lock); |
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SetInterruptFlag(INTFLAG_ADB); |
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TriggerInterrupt(); |
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} |
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void ADBSetRelMouseMode(bool relative) |
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{ |
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relative_mouse = relative; |
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if (relative_mouse != relative) { |
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relative_mouse = relative; |
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mouse_x = mouse_y = 0; |
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} |
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} |
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// Set key in matrix |
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key_states[code >> 3] |= (1 << (~code & 7)); |
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// Trigger interrupt |
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SetInterruptFlag(INTFLAG_ADB); |
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TriggerInterrupt(); |
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} |
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// Clear key in matrix |
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key_states[code >> 3] &= ~(1 << (~code & 7)); |
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// Trigger interrupt |
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SetInterruptFlag(INTFLAG_ADB); |
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TriggerInterrupt(); |
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} |
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// Update mouse position (absolute) |
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if (mx != old_mouse_x || my != old_mouse_y) { |
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#ifdef POWERPC_ROM |
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static const uint16 proc[] = { |
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0x2f08, // move.l a0,-(sp) |
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0x2f00, // move.l d0,-(sp) |
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0x2f01, // move.l d1,-(sp) |
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0x7001, // moveq #1,d0 (MoveTo) |
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0xaadb, // CursorDeviceDispatch |
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M68K_RTS |
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static const uint8 proc_template[] = { |
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0x2f, 0x08, // move.l a0,-(sp) |
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0x2f, 0x00, // move.l d0,-(sp) |
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0x2f, 0x01, // move.l d1,-(sp) |
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0x70, 0x01, // moveq #1,d0 (MoveTo) |
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0xaa, 0xdb, // CursorDeviceDispatch |
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M68K_RTS >> 8, M68K_RTS |
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}; |
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BUILD_SHEEPSHAVER_PROCEDURE(proc); |
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r.a[0] = ReadMacInt32(mouse_base + 4); |
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r.d[0] = mx; |
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r.d[1] = my; |
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Execute68k((uint32)proc, &r); |
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Execute68k(proc, &r); |
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#else |
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WriteMacInt16(0x82a, mx); |
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WriteMacInt16(0x828, my); |
