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/* |
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* video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff |
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* |
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* Basilisk II (C) 1997-1999 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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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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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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* |
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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, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#include <exec/types.h> |
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#include <intuition/intuition.h> |
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#include <graphics/rastport.h> |
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#include <graphics/gfx.h> |
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#include <dos/dostags.h> |
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#include <devices/timer.h> |
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#include <proto/exec.h> |
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#include <proto/dos.h> |
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#include <proto/intuition.h> |
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#include <proto/graphics.h> |
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#include <proto/Picasso96.h> |
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|
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#include "sysdeps.h" |
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#include "main.h" |
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#include "adb.h" |
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#include "prefs.h" |
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#include "user_strings.h" |
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#include "video.h" |
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|
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#define DEBUG 1 |
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#include "debug.h" |
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|
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|
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// Display types |
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enum { |
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DISPLAY_WINDOW, |
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DISPLAY_PIP, |
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DISPLAY_SCREEN |
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}; |
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|
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// Global variables |
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static int32 frame_skip; |
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static int display_type = DISPLAY_WINDOW; // See enum above |
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static struct Screen *the_screen = NULL; |
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static struct Window *the_win = NULL; |
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static struct BitMap *the_bitmap = NULL; |
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static LONG black_pen = -1, white_pen = -1; |
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static struct Process *periodic_proc = NULL; // Periodic process |
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|
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extern struct Task *MainTask; // Pointer to main task (from main_amiga.cpp) |
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|
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|
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// Amiga -> Mac raw keycode translation table |
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static const uint8 keycode2mac[0x80] = { |
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0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, 0x1a, // ` 1 2 3 4 5 6 7 |
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0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x2a, 0xff, 0x52, // 8 9 0 - = \ inv 0 |
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0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, // Q W E R T Y U I |
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0x1f, 0x23, 0x21, 0x1e, 0xff, 0x53, 0x54, 0x55, // O P [ ] inv 1 2 3 |
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0x00, 0x01, 0x02, 0x03, 0x05, 0x04, 0x26, 0x28, // A S D F G H J K |
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0x25, 0x29, 0x27, 0x2a, 0xff, 0x56, 0x57, 0x58, // L ; ' # inv 4 5 6 |
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0x32, 0x06, 0x07, 0x08, 0x09, 0x0b, 0x2d, 0x2e, // < Z X C V B N M |
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0x2b, 0x2f, 0x2c, 0xff, 0x41, 0x59, 0x5b, 0x5c, // , . / inv . 7 8 9 |
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0x31, 0x33, 0x30, 0x4c, 0x24, 0x35, 0x75, 0xff, // SPC BSP TAB ENT RET ESC DEL inv |
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0xff, 0xff, 0x4e, 0xff, 0x3e, 0x3d, 0x3c, 0x3b, // inv inv - inv CUP CDN CRT CLF |
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0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, 0x62, 0x64, // F1 F2 F3 F4 F5 F6 F7 F8 |
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0x65, 0x6d, 0x47, 0x51, 0x4b, 0x43, 0x45, 0x72, // F9 F10 ( ) / * + HLP |
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0x38, 0x38, 0x39, 0x36, 0x3a, 0x3a, 0x37, 0x37, // SHL SHR CAP CTL ALL ALR AML AMR |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv |
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}; |
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|
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|
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// Prototypes |
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static void periodic_func(void); |
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|
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|
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/* |
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* Initialization |
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*/ |
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|
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// Open window |
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static bool init_window(int width, int height) |
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{ |
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// Set absolute mouse mode |
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ADBSetRelMouseMode(false); |
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|
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// Open window |
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the_win = OpenWindowTags(NULL, |
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WA_Left, 0, WA_Top, 0, |
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WA_InnerWidth, width, WA_InnerHeight, height, |
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WA_SimpleRefresh, TRUE, |
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WA_NoCareRefresh, TRUE, |
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WA_Activate, TRUE, |
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WA_RMBTrap, TRUE, |
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WA_ReportMouse, TRUE, |
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WA_DragBar, TRUE, |
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WA_DepthGadget, TRUE, |
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WA_SizeGadget, FALSE, |
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WA_Title, (ULONG)GetString(STR_WINDOW_TITLE), |
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TAG_END |
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); |
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if (the_win == NULL) { |
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ErrorAlert(GetString(STR_OPEN_WINDOW_ERR)); |
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return false; |
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} |
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|
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// Create bitmap ("height + 2" for safety) |
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the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL); |
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if (the_bitmap == NULL) { |
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ErrorAlert(GetString(STR_NO_MEM_ERR)); |
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return false; |
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} |
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|
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// Set VideoMonitor |
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VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0]; |
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VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow; |
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VideoMonitor.x = width; |
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VideoMonitor.y = height; |
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VideoMonitor.mode = VMODE_1BIT; |
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|
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// Set FgPen and BgPen |
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black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL); |
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white_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0xffffffff, 0xffffffff, 0xffffffff, NULL); |
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SetAPen(the_win->RPort, black_pen); |
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SetBPen(the_win->RPort, white_pen); |
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SetDrMd(the_win->RPort, JAM2); |
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return true; |
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} |
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|
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// Open PIP (requires Picasso96) |
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static bool init_pip(int width, int height) |
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{ |
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// Set absolute mouse mode |
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ADBSetRelMouseMode(false); |
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|
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// Open window |
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ULONG error = 0; |
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the_win = p96PIP_OpenTags( |
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P96PIP_SourceFormat, RGBFB_R5G5B5, |
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P96PIP_SourceWidth, width, |
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P96PIP_SourceHeight, height, |
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P96PIP_ErrorCode, (ULONG)&error, |
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WA_Left, 0, WA_Top, 0, |
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WA_InnerWidth, width, WA_InnerHeight, height, |
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WA_SimpleRefresh, TRUE, |
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WA_NoCareRefresh, TRUE, |
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WA_Activate, TRUE, |
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WA_RMBTrap, TRUE, |
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WA_ReportMouse, TRUE, |
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WA_DragBar, TRUE, |
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WA_DepthGadget, TRUE, |
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WA_SizeGadget, FALSE, |
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WA_Title, (ULONG)GetString(STR_WINDOW_TITLE), |
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WA_PubScreenName, (ULONG)"Workbench", |
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TAG_END |
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); |
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if (the_win == NULL || error) { |
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ErrorAlert(GetString(STR_OPEN_WINDOW_ERR)); |
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return false; |
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} |
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|
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// Find bitmap |
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p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END); |
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|
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// Set VideoMonitor |
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VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY); |
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VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW); |
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VideoMonitor.x = width; |
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VideoMonitor.y = height; |
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VideoMonitor.mode = VMODE_16BIT; |
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return true; |
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} |
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|
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// Open screen (requires Picasso96 as we need chunky modes) |
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static bool init_screen(ULONG mode_id) |
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{ |
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// Set relative mouse mode |
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ADBSetRelMouseMode(true); |
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|
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// Check if the mode is a Picasso96 mode |
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if (!p96GetModeIDAttr(mode_id, P96IDA_ISP96)) { |
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ErrorAlert(GetString(STR_NO_P96_MODE_ERR)); |
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return false; |
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} |
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|
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// Check if the mode is one we can handle |
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uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH); |
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uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT); |
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switch (depth) { |
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case 8: |
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VideoMonitor.mode = VMODE_8BIT; |
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break; |
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case 15: |
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case 16: |
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if (format != RGBFB_R5G5B5) { |
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ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR)); |
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return false; |
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} |
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VideoMonitor.mode = VMODE_16BIT; |
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break; |
212 |
case 24: |
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case 32: |
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if (format != RGBFB_A8R8G8B8) { |
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ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR)); |
216 |
return false; |
217 |
} |
218 |
VideoMonitor.mode = VMODE_32BIT; |
219 |
break; |
220 |
default: |
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ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR)); |
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return false; |
223 |
} |
224 |
|
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// Yes, get width and height |
226 |
uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH); |
227 |
uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT); |
228 |
VideoMonitor.x = width; |
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VideoMonitor.y = height; |
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|
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// Open screen |
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the_screen = p96OpenScreenTags( |
233 |
P96SA_DisplayID, mode_id, |
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P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE), |
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P96SA_Quiet, TRUE, |
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P96SA_NoMemory, TRUE, |
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P96SA_NoSprite, TRUE, |
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P96SA_Exclusive, TRUE, |
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TAG_END |
240 |
); |
241 |
if (the_screen == NULL) { |
242 |
ErrorAlert(GetString(STR_OPEN_SCREEN_ERR)); |
243 |
return false; |
244 |
} |
245 |
|
246 |
// Open window |
247 |
the_win = OpenWindowTags(NULL, |
248 |
WA_Left, 0, WA_Top, 0, |
249 |
WA_Width, width, WA_Height, height, |
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WA_NoCareRefresh, TRUE, |
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WA_Borderless, TRUE, |
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WA_Activate, TRUE, |
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WA_RMBTrap, TRUE, |
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WA_ReportMouse, TRUE, |
255 |
WA_CustomScreen, (ULONG)the_screen, |
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TAG_END |
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); |
258 |
if (the_win == NULL) { |
259 |
ErrorAlert(GetString(STR_OPEN_WINDOW_ERR)); |
260 |
return false; |
261 |
} |
262 |
|
263 |
// Set VideoMonitor |
264 |
ScreenToFront(the_screen); |
265 |
VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY); |
266 |
VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW); |
267 |
return true; |
268 |
} |
269 |
|
270 |
bool VideoInit(bool classic) |
271 |
{ |
272 |
// Read frame skip prefs |
273 |
frame_skip = PrefsFindInt32("frameskip"); |
274 |
if (frame_skip == 0) |
275 |
frame_skip = 1; |
276 |
|
277 |
// Get screen mode from preferences |
278 |
const char *mode_str; |
279 |
if (classic) |
280 |
mode_str = "win/512/342"; |
281 |
else |
282 |
mode_str = PrefsFindString("screen"); |
283 |
|
284 |
// Determine type and mode |
285 |
display_type = DISPLAY_WINDOW; |
286 |
int width = 512, height = 384; |
287 |
ULONG mode_id = 0; |
288 |
if (mode_str) { |
289 |
if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2) |
290 |
display_type = DISPLAY_WINDOW; |
291 |
else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base) |
292 |
display_type = DISPLAY_PIP; |
293 |
else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && P96Base) |
294 |
display_type = DISPLAY_SCREEN; |
295 |
} |
296 |
|
297 |
// Open display |
298 |
switch (display_type) { |
299 |
case DISPLAY_WINDOW: |
300 |
if (!init_window(width, height)) |
301 |
return false; |
302 |
break; |
303 |
|
304 |
case DISPLAY_PIP: |
305 |
if (!init_pip(width, height)) |
306 |
return false; |
307 |
break; |
308 |
|
309 |
case DISPLAY_SCREEN: |
310 |
if (!init_screen(mode_id)) |
311 |
return false; |
312 |
break; |
313 |
} |
314 |
|
315 |
// Start periodic process |
316 |
periodic_proc = CreateNewProcTags( |
317 |
NP_Entry, (ULONG)periodic_func, |
318 |
NP_Name, (ULONG)"Basilisk II IDCMP Handler", |
319 |
NP_Priority, 0, |
320 |
TAG_END |
321 |
); |
322 |
if (periodic_proc == NULL) { |
323 |
ErrorAlert(GetString(STR_NO_MEM_ERR)); |
324 |
return false; |
325 |
} |
326 |
return true; |
327 |
} |
328 |
|
329 |
|
330 |
/* |
331 |
* Deinitialization |
332 |
*/ |
333 |
|
334 |
void VideoExit(void) |
335 |
{ |
336 |
// Stop periodic process |
337 |
if (periodic_proc) { |
338 |
SetSignal(0, SIGF_SINGLE); |
339 |
Signal(&periodic_proc->pr_Task, SIGBREAKF_CTRL_C); |
340 |
Wait(SIGF_SINGLE); |
341 |
} |
342 |
|
343 |
switch (display_type) { |
344 |
|
345 |
case DISPLAY_WINDOW: |
346 |
|
347 |
// Window mode, free bitmap |
348 |
if (the_bitmap) { |
349 |
WaitBlit(); |
350 |
FreeBitMap(the_bitmap); |
351 |
} |
352 |
|
353 |
// Free pens and close window |
354 |
if (the_win) { |
355 |
ReleasePen(the_win->WScreen->ViewPort.ColorMap, black_pen); |
356 |
ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen); |
357 |
|
358 |
CloseWindow(the_win); |
359 |
} |
360 |
break; |
361 |
|
362 |
case DISPLAY_PIP: |
363 |
|
364 |
// Close PIP |
365 |
if (the_win) |
366 |
p96PIP_Close(the_win); |
367 |
break; |
368 |
|
369 |
case DISPLAY_SCREEN: |
370 |
|
371 |
// Close window |
372 |
if (the_win) |
373 |
CloseWindow(the_win); |
374 |
|
375 |
// Close screen |
376 |
if (the_screen) |
377 |
p96CloseScreen(the_screen); |
378 |
break; |
379 |
} |
380 |
} |
381 |
|
382 |
|
383 |
/* |
384 |
* Set palette |
385 |
*/ |
386 |
|
387 |
void video_set_palette(uint8 *pal) |
388 |
{ |
389 |
if (display_type == DISPLAY_SCREEN) { |
390 |
|
391 |
// Convert palette to 32 bits |
392 |
ULONG table[2 + 256 * 3]; |
393 |
table[0] = 256 << 16; |
394 |
table[256 * 3 + 1] = 0; |
395 |
for (int i=0; i<256; i++) { |
396 |
table[i*3+1] = pal[i*3] * 0x01010101; |
397 |
table[i*3+2] = pal[i*3+1] * 0x01010101; |
398 |
table[i*3+3] = pal[i*3+2] * 0x01010101; |
399 |
} |
400 |
|
401 |
// And load it |
402 |
LoadRGB32(&the_screen->ViewPort, table); |
403 |
} |
404 |
} |
405 |
|
406 |
|
407 |
/* |
408 |
* Video message handling (not neccessary under AmigaOS, handled by periodic_func()) |
409 |
*/ |
410 |
|
411 |
void VideoInterrupt(void) |
412 |
{ |
413 |
} |
414 |
|
415 |
|
416 |
/* |
417 |
* Process for window refresh and message handling |
418 |
*/ |
419 |
|
420 |
static __saveds void periodic_func(void) |
421 |
{ |
422 |
struct MsgPort *timer_port = NULL; |
423 |
struct timerequest *timer_io = NULL; |
424 |
struct IntuiMessage *msg; |
425 |
ULONG win_mask = 0, timer_mask = 0; |
426 |
|
427 |
// Create message port for window and attach it |
428 |
struct MsgPort *win_port = CreateMsgPort(); |
429 |
if (win_port) { |
430 |
win_mask = 1 << win_port->mp_SigBit; |
431 |
the_win->UserPort = win_port; |
432 |
ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | (display_type == DISPLAY_SCREEN ? IDCMP_DELTAMOVE : 0)); |
433 |
} |
434 |
|
435 |
// Start 60Hz timer for window refresh |
436 |
if (display_type == DISPLAY_WINDOW) { |
437 |
timer_port = CreateMsgPort(); |
438 |
if (timer_port) { |
439 |
timer_io = (struct timerequest *)CreateIORequest(timer_port, sizeof(struct timerequest)); |
440 |
if (timer_io) { |
441 |
if (!OpenDevice((UBYTE *)TIMERNAME, UNIT_MICROHZ, (struct IORequest *)timer_io, 0)) { |
442 |
timer_mask = 1 << timer_port->mp_SigBit; |
443 |
timer_io->tr_node.io_Command = TR_ADDREQUEST; |
444 |
timer_io->tr_time.tv_secs = 0; |
445 |
timer_io->tr_time.tv_micro = 16667 * frame_skip; |
446 |
SendIO((struct IORequest *)timer_io); |
447 |
} |
448 |
} |
449 |
} |
450 |
} |
451 |
|
452 |
// Main loop |
453 |
for (;;) { |
454 |
|
455 |
// Wait for timer and/or window (CTRL_C is used for quitting the task) |
456 |
ULONG sig = Wait(win_mask | timer_mask | SIGBREAKF_CTRL_C); |
457 |
|
458 |
if (sig & SIGBREAKF_CTRL_C) |
459 |
break; |
460 |
|
461 |
if (sig & timer_mask) { |
462 |
|
463 |
// Timer tick, update display |
464 |
BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort, |
465 |
the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y); |
466 |
|
467 |
// Restart timer |
468 |
timer_io->tr_node.io_Command = TR_ADDREQUEST; |
469 |
timer_io->tr_time.tv_secs = 0; |
470 |
timer_io->tr_time.tv_micro = 16667 * frame_skip; |
471 |
SendIO((struct IORequest *)timer_io); |
472 |
} |
473 |
|
474 |
if (sig & win_mask) { |
475 |
|
476 |
// Handle window messages |
477 |
while (msg = (struct IntuiMessage *)GetMsg(win_port)) { |
478 |
|
479 |
// Get data from message and reply |
480 |
ULONG cl = msg->Class; |
481 |
UWORD code = msg->Code; |
482 |
UWORD qualifier = msg->Qualifier; |
483 |
WORD mx = msg->MouseX; |
484 |
WORD my = msg->MouseY; |
485 |
ReplyMsg((struct Message *)msg); |
486 |
|
487 |
// Handle message according to class |
488 |
switch (cl) { |
489 |
case IDCMP_MOUSEMOVE: |
490 |
if (display_type == DISPLAY_SCREEN) |
491 |
ADBMouseMoved(mx, my); |
492 |
else |
493 |
ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop); |
494 |
break; |
495 |
|
496 |
case IDCMP_MOUSEBUTTONS: |
497 |
if (code == SELECTDOWN) |
498 |
ADBMouseDown(0); |
499 |
else if (code == SELECTUP) |
500 |
ADBMouseUp(0); |
501 |
else if (code == MENUDOWN) |
502 |
ADBMouseDown(1); |
503 |
else if (code == MENUUP) |
504 |
ADBMouseUp(1); |
505 |
else if (code == MIDDLEDOWN) |
506 |
ADBMouseDown(2); |
507 |
else if (code == MIDDLEUP) |
508 |
ADBMouseUp(2); |
509 |
break; |
510 |
|
511 |
case IDCMP_RAWKEY: |
512 |
if (qualifier & IEQUALIFIER_REPEAT) // Keyboard repeat is done by MacOS |
513 |
break; |
514 |
if (code & IECODE_UP_PREFIX) |
515 |
ADBKeyUp(keycode2mac[code & 0x7f]); |
516 |
else |
517 |
ADBKeyDown(keycode2mac[code & 0x7f]); |
518 |
break; |
519 |
} |
520 |
} |
521 |
} |
522 |
} |
523 |
|
524 |
// Stop timer |
525 |
if (timer_io) { |
526 |
if (!CheckIO((struct IORequest *)timer_io)) |
527 |
AbortIO((struct IORequest *)timer_io); |
528 |
WaitIO((struct IORequest *)timer_io); |
529 |
CloseDevice((struct IORequest *)timer_io); |
530 |
DeleteIORequest(timer_io); |
531 |
} |
532 |
if (timer_port) |
533 |
DeleteMsgPort(timer_port); |
534 |
|
535 |
// Remove port from window and delete it |
536 |
Forbid(); |
537 |
msg = (struct IntuiMessage *)win_port->mp_MsgList.lh_Head; |
538 |
struct Node *succ; |
539 |
while (succ = msg->ExecMessage.mn_Node.ln_Succ) { |
540 |
if (msg->IDCMPWindow == the_win) { |
541 |
Remove((struct Node *)msg); |
542 |
ReplyMsg((struct Message *)msg); |
543 |
} |
544 |
msg = (struct IntuiMessage *)succ; |
545 |
} |
546 |
the_win->UserPort = NULL; |
547 |
ModifyIDCMP(the_win, 0); |
548 |
Permit(); |
549 |
DeleteMsgPort(win_port); |
550 |
|
551 |
// Main task asked for termination, send signal |
552 |
Forbid(); |
553 |
Signal(MainTask, SIGF_SINGLE); |
554 |
} |