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/* |
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* video.cpp - Video/graphics emulation |
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* |
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* Basilisk II (C) 1997-2002 Christian Bauer |
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* Portions written by Marc Hellwig |
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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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/* |
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* SEE ALSO |
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* Inside Macintosh: Devices, chapter 1 "Device Manager" |
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* Designing Cards and Drivers for the Macintosh Family, Second Edition |
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* Designing PCI Cards and Drivers for Power Macintosh Computers |
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* Display Device Driver Guide |
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*/ |
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|
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#include <stdio.h> |
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|
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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 "macos_util.h" |
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#include "slot_rom.h" |
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#include "video.h" |
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#include "video_defs.h" |
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|
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#define DEBUG 0 |
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#include "debug.h" |
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|
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|
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// Next available NuBus slot ID |
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uint8 monitor_desc::next_slot_id = 0x80; |
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|
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// Vector of pointers to available monitor descriptions, filled by VideoInit() |
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vector<monitor_desc *> VideoMonitors; |
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|
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|
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/* |
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* Find palette size for given color depth |
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*/ |
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|
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static int palette_size(video_depth depth) |
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{ |
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switch (depth) { |
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case VDEPTH_1BIT: return 2; |
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case VDEPTH_2BIT: return 4; |
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case VDEPTH_4BIT: return 16; |
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case VDEPTH_8BIT: return 256; |
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case VDEPTH_16BIT: return 32; |
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case VDEPTH_32BIT: return 256; |
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default: return 0; |
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} |
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} |
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|
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|
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/* |
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* Find pointer to monitor_desc for given slot ID (or NULL if not found) |
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*/ |
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|
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static monitor_desc *find_monitor(uint8 id) |
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{ |
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vector<monitor_desc *>::const_iterator i, end = VideoMonitors.end(); |
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for (i = VideoMonitors.begin(); i != end; ++i) { |
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if ((*i)->get_slot_id() == id) |
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return *i; |
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} |
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return NULL; |
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} |
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|
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|
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/* |
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* monitor_desc constructor |
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*/ |
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|
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monitor_desc::monitor_desc(const vector<video_mode> &available_modes, video_depth default_depth, uint32 default_id) : modes(available_modes) |
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{ |
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// Assign the next slot ID on construction |
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slot_id = next_slot_id++; |
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|
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// Initialize Apple mode list |
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uint16 mode = 0x80; |
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for (int depth = VDEPTH_1BIT; depth <= VDEPTH_32BIT; depth++) { |
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if (has_depth(video_depth(depth))) |
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apple_mode_for_depth[depth] = mode++; |
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else |
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apple_mode_for_depth[depth] = 0; |
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} |
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|
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// Set default mode |
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current_mode = find_mode(depth_to_apple_mode(default_depth), default_id); |
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} |
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|
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|
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/* |
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* Get bytes-per-row value for specified resolution/depth |
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* (if the mode isn't supported, make a good guess) |
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*/ |
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|
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uint32 monitor_desc::get_bytes_per_row(video_depth depth, uint32 id) const |
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{ |
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vector<video_mode>::const_iterator i, end = modes.end(); |
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for (i = modes.begin(); i != end; ++i) { |
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if (i->depth == depth && i->resolution_id == id) |
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return i->bytes_per_row; |
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} |
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uint32 x, y; |
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get_size_of_resolution(id, x, y); |
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return TrivialBytesPerRow(x, depth); |
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} |
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|
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|
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/* |
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* Check whether a mode with the specified depth exists on this display |
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*/ |
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|
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bool monitor_desc::has_depth(video_depth depth) const |
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{ |
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vector<video_mode>::const_iterator i = modes.begin(), end = modes.end(); |
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while (i != end) { |
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if (i->depth == depth) |
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return true; |
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++i; |
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} |
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return false; |
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} |
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|
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|
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/* |
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* Check whether the specified resolution ID is one of the supported resolutions |
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*/ |
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|
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bool monitor_desc::has_resolution(uint32 id) const |
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{ |
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vector<video_mode>::const_iterator i, end = modes.end(); |
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for (i = modes.begin(); i != end; ++i) { |
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if (i->resolution_id == id) |
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return true; |
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} |
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return false; |
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} |
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|
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|
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/* |
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* Find specified mode (depth/resolution) (or invalid_mode() if not found) |
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*/ |
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|
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vector<video_mode>::const_iterator monitor_desc::find_mode(uint16 apple_mode, uint32 id) const |
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{ |
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vector<video_mode>::const_iterator i, end = modes.end(); |
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for (i = modes.begin(); i != end; ++i) { |
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if (i->resolution_id == id && depth_to_apple_mode(i->depth) == apple_mode) |
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return i; |
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} |
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return i; |
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} |
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|
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|
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/* |
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* Find maximum supported depth for given resolution ID |
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*/ |
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|
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video_depth monitor_desc::max_depth_of_resolution(uint32 id) const |
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{ |
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video_depth m = VDEPTH_1BIT; |
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vector<video_mode>::const_iterator i, end = modes.end(); |
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for (i = modes.begin(); i != end; ++i) { |
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if (i->depth > m) |
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m = i->depth; |
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} |
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return m; |
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} |
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|
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|
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/* |
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* Get X/Y size of specified resolution |
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*/ |
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|
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void monitor_desc::get_size_of_resolution(uint32 id, uint32 &x, uint32 &y) const |
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{ |
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vector<video_mode>::const_iterator i, end = modes.end(); |
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for (i = modes.begin(); i != end; ++i) { |
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if (i->resolution_id == id) { |
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x = i->x; |
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y = i->y; |
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return; |
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} |
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} |
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x = y = 0; |
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} |
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|
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|
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/* |
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* Set palette to 50% gray |
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*/ |
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|
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void monitor_desc::set_gray_palette(void) |
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{ |
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for (int i=0; i<256; i++) { |
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palette[i * 3 + 0] = 127; |
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palette[i * 3 + 1] = 127; |
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palette[i * 3 + 2] = 127; |
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} |
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set_palette(palette, 256); |
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} |
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|
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|
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/* |
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* Load gamma-corrected black-to-white ramp to palette for direct-color mode |
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*/ |
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|
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void monitor_desc::load_ramp_palette(void) |
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{ |
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// Find tables for gamma correction |
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uint8 *red_gamma = NULL, *green_gamma = NULL, *blue_gamma = NULL; |
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bool have_gamma = false; |
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int data_width = 0; |
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if (gamma_table) { |
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uint32 table = gamma_table; |
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red_gamma = Mac2HostAddr(table + gFormulaData + ReadMacInt16(table + gFormulaSize)); |
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int chan_cnt = ReadMacInt16(table + gChanCnt); |
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if (chan_cnt == 1) |
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green_gamma = blue_gamma = red_gamma; |
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else { |
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int ofs = ReadMacInt16(table + gDataCnt); |
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green_gamma = red_gamma + ofs; |
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blue_gamma = green_gamma + ofs; |
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} |
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data_width = ReadMacInt16(table + gDataWidth); |
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have_gamma = true; |
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} |
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|
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int num = (current_mode->depth == VDEPTH_16BIT ? 32 : 256); |
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uint8 *p = palette; |
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for (int i=0; i<num; i++) { |
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uint8 red = (i * 256 / num), green = red, blue = red; |
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if (have_gamma) { |
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red = red_gamma[red >> (8 - data_width)]; |
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green = green_gamma[green >> (8 - data_width)]; |
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blue = blue_gamma[blue >> (8 - data_width)]; |
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} |
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*p++ = red; |
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*p++ = green; |
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*p++ = blue; |
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} |
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|
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set_palette(palette, num); |
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} |
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|
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|
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/* |
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* Allocate gamma table of specified size |
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*/ |
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|
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bool monitor_desc::allocate_gamma_table(int size) |
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{ |
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M68kRegisters r; |
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|
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if (size > alloc_gamma_table_size) { |
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if (gamma_table) { |
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r.a[0] = gamma_table; |
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Execute68kTrap(0xa01f, &r); // DisposePtr() |
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gamma_table = 0; |
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alloc_gamma_table_size = 0; |
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} |
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r.d[0] = size; |
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Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
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if (r.a[0] == 0) |
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return false; |
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gamma_table = r.a[0]; |
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alloc_gamma_table_size = size; |
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} |
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return true; |
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} |
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|
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|
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/* |
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* Set gamma table (0 = build linear ramp) |
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*/ |
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|
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bool monitor_desc::set_gamma_table(uint32 user_table) |
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{ |
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if (user_table == 0) { // Build linear ramp, 256 entries |
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|
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// Allocate new table, if necessary |
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if (!allocate_gamma_table(SIZEOF_GammaTbl + 256)) |
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return memFullErr; |
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|
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// Initialize header |
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WriteMacInt16(gamma_table + gVersion, 0); |
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WriteMacInt16(gamma_table + gType, 0); |
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WriteMacInt16(gamma_table + gFormulaSize, 0); |
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WriteMacInt16(gamma_table + gChanCnt, 1); |
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WriteMacInt16(gamma_table + gDataCnt, 256); |
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WriteMacInt16(gamma_table + gDataWidth, 8); |
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|
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// Build ramp |
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uint32 p = gamma_table + gFormulaData; |
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for (int i=0; i<256; i++) |
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WriteMacInt8(p + i, i); |
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|
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} else { // User-supplied gamma table |
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|
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// Validate header |
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if (ReadMacInt16(user_table + gVersion)) |
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return paramErr; |
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if (ReadMacInt16(user_table + gType)) |
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return paramErr; |
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int chan_cnt = ReadMacInt16(user_table + gChanCnt); |
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if (chan_cnt != 1 && chan_cnt != 3) |
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return paramErr; |
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int data_width = ReadMacInt16(user_table + gDataWidth); |
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if (data_width > 8) |
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return paramErr; |
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int data_cnt = ReadMacInt16(user_table + gDataCnt); |
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if (data_cnt != (1 << data_width)) |
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return paramErr; |
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|
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// Allocate new table, if necessary |
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int size = SIZEOF_GammaTbl + ReadMacInt16(user_table + gFormulaSize) + chan_cnt * data_cnt; |
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if (!allocate_gamma_table(size)) |
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return memFullErr; |
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|
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// Copy table |
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Mac2Mac_memcpy(gamma_table, user_table, size); |
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} |
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|
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if (IsDirectMode(*current_mode)) |
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load_ramp_palette(); |
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|
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return true; |
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} |
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|
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|
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/* |
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* Switch video mode |
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*/ |
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|
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void monitor_desc::switch_mode(vector<video_mode>::const_iterator it, uint32 param, uint32 dce) |
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{ |
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const video_mode &mode = *it; |
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|
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// Switch mode |
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set_gray_palette(); |
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current_mode = it; |
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switch_to_current_mode(); |
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|
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// Update variables |
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current_apple_mode = depth_to_apple_mode(mode.depth); |
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current_id = mode.resolution_id; |
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|
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M68kRegisters r; |
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r.a[0] = slot_param; |
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|
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// Find functional sResource for this display |
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WriteMacInt8(slot_param + spSlot, ReadMacInt8(dce + dCtlSlot)); |
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WriteMacInt8(slot_param + spID, ReadMacInt8(dce + dCtlSlotId)); |
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WriteMacInt8(slot_param + spExtDev, 0); |
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r.d[0] = 0x0016; |
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Execute68kTrap(0xa06e, &r); // SRsrcInfo() |
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uint32 rsrc = ReadMacInt32(slot_param + spPointer); |
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|
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// Patch minorBase (otherwise rebooting won't work) |
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WriteMacInt8(slot_param + spID, 0x0a); // minorBase |
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r.d[0] = 0x0006; |
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Execute68kTrap(0xa06e, &r); // SFindStruct() |
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uint32 minor_base = ReadMacInt32(slot_param + spPointer) - ROMBaseMac; |
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ROMBaseHost[minor_base + 0] = mac_frame_base >> 24; |
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ROMBaseHost[minor_base + 1] = mac_frame_base >> 16; |
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ROMBaseHost[minor_base + 2] = mac_frame_base >> 8; |
383 |
ROMBaseHost[minor_base + 3] = mac_frame_base; |
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|
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// Patch video mode parameter table |
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WriteMacInt32(slot_param + spPointer, rsrc); |
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WriteMacInt8(slot_param + spID, depth_to_apple_mode(mode.depth)); |
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r.d[0] = 0x0006; |
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Execute68kTrap(0xa06e, &r); // SFindStruct() |
390 |
WriteMacInt8(slot_param + spID, 0x01); |
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r.d[0] = 0x0006; |
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Execute68kTrap(0xa06e, &r); // SFindStruct() |
393 |
uint32 p = ReadMacInt32(slot_param + spPointer) - ROMBaseMac; |
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ROMBaseHost[p + 8] = mode.bytes_per_row >> 8; |
395 |
ROMBaseHost[p + 9] = mode.bytes_per_row; |
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ROMBaseHost[p + 14] = mode.y >> 8; |
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ROMBaseHost[p + 15] = mode.y; |
398 |
ROMBaseHost[p + 16] = mode.x >> 8; |
399 |
ROMBaseHost[p + 17] = mode.x; |
400 |
|
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// Recalculate slot ROM checksum |
402 |
ChecksumSlotROM(); |
403 |
|
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// Update sResource |
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WriteMacInt8(slot_param + spID, ReadMacInt8(dce + dCtlSlotId)); |
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r.d[0] = 0x002b; |
407 |
Execute68kTrap(0xa06e, &r); // SUpdateSRT() |
408 |
|
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// Update frame buffer base in DCE and param block |
410 |
WriteMacInt32(dce + dCtlDevBase, mac_frame_base); |
411 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
412 |
|
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// Patch frame buffer base address for MacOS versions <7.6 |
414 |
if (!dm_present) { // Only do this when no Display Manager seems to be present; otherwise, the screen will not get redrawn |
415 |
D(bug("No Display Manager, patching frame buffer base\n")); |
416 |
WriteMacInt32(0x824, mac_frame_base); // ScrnBase |
417 |
WriteMacInt32(0x898, mac_frame_base); // CrsrBase |
418 |
uint32 gdev = ReadMacInt32(0x8a4); // MainDevice |
419 |
gdev = ReadMacInt32(gdev); |
420 |
uint32 pmap = ReadMacInt32(gdev + 0x16); // gdPMap |
421 |
pmap = ReadMacInt32(pmap); |
422 |
WriteMacInt32(pmap, mac_frame_base); // baseAddr |
423 |
} |
424 |
} |
425 |
|
426 |
|
427 |
/* |
428 |
* Driver Open() routine |
429 |
*/ |
430 |
|
431 |
int16 monitor_desc::driver_open(void) |
432 |
{ |
433 |
// This shouldn't happen unless the platform-specific video code is broken |
434 |
if (modes.empty()) |
435 |
fprintf(stderr, "No valid video modes found (broken video driver?)\n"); |
436 |
|
437 |
// Init local variables |
438 |
luminance_mapping = false; |
439 |
interrupts_enabled = false; |
440 |
current_apple_mode = preferred_apple_mode = depth_to_apple_mode(current_mode->depth); |
441 |
current_id = preferred_id = current_mode->resolution_id; |
442 |
dm_present = false; |
443 |
|
444 |
// Allocate Slot Manager parameter block in Mac RAM |
445 |
M68kRegisters r; |
446 |
r.d[0] = SIZEOF_SPBlock; |
447 |
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
448 |
if (r.a[0] == 0) |
449 |
return memFullErr; |
450 |
slot_param = r.a[0]; |
451 |
D(bug("SPBlock at %08x\n", slot_param)); |
452 |
|
453 |
// Find and set default gamma table |
454 |
gamma_table = 0; |
455 |
alloc_gamma_table_size = 0; |
456 |
set_gamma_table(0); |
457 |
|
458 |
// Init color palette (solid gray) |
459 |
set_gray_palette(); |
460 |
return noErr; |
461 |
} |
462 |
|
463 |
int16 VideoDriverOpen(uint32 pb, uint32 dce) |
464 |
{ |
465 |
uint8 slot_id = ReadMacInt8(dce + dCtlSlotId); |
466 |
D(bug("VideoDriverOpen slot %02x\n", slot_id)); |
467 |
|
468 |
monitor_desc *m = find_monitor(slot_id); |
469 |
if (m) |
470 |
return m->driver_open(); |
471 |
else |
472 |
return nsDrvErr; |
473 |
} |
474 |
|
475 |
|
476 |
/* |
477 |
* Driver Control() routine |
478 |
*/ |
479 |
|
480 |
int16 monitor_desc::driver_control(uint16 code, uint32 param, uint32 dce) |
481 |
{ |
482 |
switch (code) { |
483 |
|
484 |
case cscSetMode: { // Set color depth |
485 |
uint16 mode = ReadMacInt16(param + csMode); |
486 |
D(bug(" SetMode %04x\n", mode)); |
487 |
|
488 |
// Set old base address in case the switch fails |
489 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
490 |
|
491 |
if (ReadMacInt16(param + csPage)) |
492 |
return paramErr; |
493 |
|
494 |
if (mode != current_apple_mode) { |
495 |
vector<video_mode>::const_iterator i = find_mode(mode, current_id); |
496 |
if (i == invalid_mode()) |
497 |
return paramErr; |
498 |
switch_mode(i, param, dce); |
499 |
} |
500 |
D(bug(" base %08x\n", mac_frame_base)); |
501 |
return noErr; |
502 |
} |
503 |
|
504 |
case cscSetEntries: // Set palette |
505 |
case cscDirectSetEntries: { |
506 |
D(bug(" (Direct)SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
507 |
bool is_direct = IsDirectMode(*current_mode); |
508 |
if (code == cscSetEntries && is_direct) |
509 |
return controlErr; |
510 |
if (code == cscDirectSetEntries && !is_direct) |
511 |
return controlErr; |
512 |
|
513 |
uint32 s_pal = ReadMacInt32(param + csTable); // Source palette |
514 |
uint8 *d_pal; // Destination palette |
515 |
uint16 start = ReadMacInt16(param + csStart); |
516 |
uint16 count = ReadMacInt16(param + csCount); |
517 |
if (s_pal == 0 || count > 255) |
518 |
return paramErr; |
519 |
|
520 |
// Find tables for gamma correction |
521 |
uint8 *red_gamma = NULL, *green_gamma = NULL, *blue_gamma = NULL; |
522 |
bool have_gamma = false; |
523 |
int data_width = 0; |
524 |
if (gamma_table) { |
525 |
red_gamma = Mac2HostAddr(gamma_table + gFormulaData + ReadMacInt16(gamma_table + gFormulaSize)); |
526 |
int chan_cnt = ReadMacInt16(gamma_table + gChanCnt); |
527 |
if (chan_cnt == 1) |
528 |
green_gamma = blue_gamma = red_gamma; |
529 |
else { |
530 |
int ofs = ReadMacInt16(gamma_table + gDataCnt); |
531 |
green_gamma = red_gamma + ofs; |
532 |
blue_gamma = green_gamma + ofs; |
533 |
} |
534 |
data_width = ReadMacInt16(gamma_table + gDataWidth); |
535 |
have_gamma = true; |
536 |
} |
537 |
|
538 |
// Convert palette |
539 |
if (start == 0xffff) { // Indexed |
540 |
for (uint32 i=0; i<=count; i++) { |
541 |
d_pal = palette + (ReadMacInt16(s_pal) & 0xff) * 3; |
542 |
uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
543 |
uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
544 |
uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
545 |
if (luminance_mapping && !is_direct) |
546 |
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
547 |
if (have_gamma) { |
548 |
red = red_gamma[red >> (8 - data_width)]; |
549 |
green = green_gamma[green >> (8 - data_width)]; |
550 |
blue = blue_gamma[blue >> (8 - data_width)]; |
551 |
} |
552 |
*d_pal++ = red; |
553 |
*d_pal++ = green; |
554 |
*d_pal++ = blue; |
555 |
s_pal += 8; |
556 |
} |
557 |
} else { // Sequential |
558 |
if (start + count > 255) |
559 |
return paramErr; |
560 |
d_pal = palette + start * 3; |
561 |
for (uint32 i=0; i<=count; i++) { |
562 |
uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
563 |
uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
564 |
uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
565 |
if (luminance_mapping && !is_direct) |
566 |
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
567 |
if (have_gamma) { |
568 |
red = red_gamma[red >> (8 - data_width)]; |
569 |
green = green_gamma[green >> (8 - data_width)]; |
570 |
blue = blue_gamma[blue >> (8 - data_width)]; |
571 |
} |
572 |
*d_pal++ = red; |
573 |
*d_pal++ = green; |
574 |
*d_pal++ = blue; |
575 |
s_pal += 8; |
576 |
} |
577 |
} |
578 |
set_palette(palette, palette_size(current_mode->depth)); |
579 |
return noErr; |
580 |
} |
581 |
|
582 |
case cscSetGamma: { // Set gamma table |
583 |
uint32 user_table = ReadMacInt32(param + csGTable); |
584 |
D(bug(" SetGamma %08x\n", user_table)); |
585 |
return set_gamma_table(user_table) ? noErr : memFullErr; |
586 |
} |
587 |
|
588 |
case cscGrayPage: { // Fill page with dithered gray pattern |
589 |
D(bug(" GrayPage %d\n", ReadMacInt16(param + csPage))); |
590 |
if (ReadMacInt16(param + csPage)) |
591 |
return paramErr; |
592 |
|
593 |
uint32 pattern[6] = { |
594 |
0xaaaaaaaa, // 1 bpp |
595 |
0xcccccccc, // 2 bpp |
596 |
0xf0f0f0f0, // 4 bpp |
597 |
0xff00ff00, // 8 bpp |
598 |
0xffff0000, // 16 bpp |
599 |
0xffffffff // 32 bpp |
600 |
}; |
601 |
uint32 p = mac_frame_base; |
602 |
uint32 pat = pattern[current_mode->depth]; |
603 |
bool invert = (current_mode->depth == VDEPTH_32BIT); |
604 |
for (uint32 y=0; y<current_mode->y; y++) { |
605 |
for (uint32 x=0; x<current_mode->bytes_per_row; x+=4) { |
606 |
WriteMacInt32(p + x, pat); |
607 |
if (invert) |
608 |
pat = ~pat; |
609 |
} |
610 |
p += current_mode->bytes_per_row; |
611 |
pat = ~pat; |
612 |
} |
613 |
|
614 |
if (IsDirectMode(*current_mode)) |
615 |
load_ramp_palette(); |
616 |
|
617 |
return noErr; |
618 |
} |
619 |
|
620 |
case cscSetGray: // Enable/disable luminance mapping |
621 |
D(bug(" SetGray %02x\n", ReadMacInt8(param + csMode))); |
622 |
luminance_mapping = ReadMacInt8(param + csMode); |
623 |
return noErr; |
624 |
|
625 |
case cscSetInterrupt: // Enable/disable VBL |
626 |
D(bug(" SetInterrupt %02x\n", ReadMacInt8(param + csMode))); |
627 |
interrupts_enabled = (ReadMacInt8(param + csMode) == 0); |
628 |
return noErr; |
629 |
|
630 |
case cscSetDefaultMode: { // Set default color depth |
631 |
uint16 mode = ReadMacInt8(param + csMode); |
632 |
D(bug(" SetDefaultMode %02x\n", mode)); |
633 |
preferred_apple_mode = mode; |
634 |
return noErr; |
635 |
} |
636 |
|
637 |
case cscSwitchMode: { // Switch video mode (depth and resolution) |
638 |
uint16 mode = ReadMacInt16(param + csMode); |
639 |
uint32 id = ReadMacInt32(param + csData); |
640 |
D(bug(" SwitchMode %04x, %08x\n", mode, id)); |
641 |
|
642 |
// Set old base address in case the switch fails |
643 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
644 |
|
645 |
if (ReadMacInt16(param + csPage)) |
646 |
return paramErr; |
647 |
|
648 |
if (mode != current_apple_mode || id != current_id) { |
649 |
vector<video_mode>::const_iterator i = find_mode(mode, id); |
650 |
if (i == invalid_mode()) |
651 |
return paramErr; |
652 |
switch_mode(i, param, dce); |
653 |
} |
654 |
D(bug(" base %08x\n", mac_frame_base)); |
655 |
return noErr; |
656 |
} |
657 |
|
658 |
case cscSavePreferredConfiguration: { |
659 |
uint16 mode = ReadMacInt16(param + csMode); |
660 |
uint32 id = ReadMacInt32(param + csData); |
661 |
D(bug(" SavePreferredConfiguration %04x, %08x\n", mode, id)); |
662 |
preferred_apple_mode = mode; |
663 |
preferred_id = id; |
664 |
return noErr; |
665 |
} |
666 |
|
667 |
default: |
668 |
printf("WARNING: Unknown VideoDriverControl(%d)\n", code); |
669 |
return controlErr; |
670 |
} |
671 |
} |
672 |
|
673 |
int16 VideoDriverControl(uint32 pb, uint32 dce) |
674 |
{ |
675 |
uint8 slot_id = ReadMacInt8(dce + dCtlSlotId); |
676 |
uint16 code = ReadMacInt16(pb + csCode); |
677 |
uint32 param = ReadMacInt32(pb + csParam); |
678 |
D(bug("VideoDriverControl slot %02x, code %d\n", slot_id, code)); |
679 |
|
680 |
monitor_desc *m = find_monitor(slot_id); |
681 |
if (m) |
682 |
return m->driver_control(code, param, dce); |
683 |
else |
684 |
return nsDrvErr; |
685 |
} |
686 |
|
687 |
|
688 |
/* |
689 |
* Driver Status() routine |
690 |
*/ |
691 |
|
692 |
int16 monitor_desc::driver_status(uint16 code, uint32 param) |
693 |
{ |
694 |
switch (code) { |
695 |
|
696 |
case cscGetMode: // Get current color depth |
697 |
D(bug(" GetMode -> %04x, base %08x\n", current_apple_mode, mac_frame_base)); |
698 |
WriteMacInt16(param + csMode, current_apple_mode); |
699 |
WriteMacInt16(param + csPage, 0); |
700 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
701 |
return noErr; |
702 |
|
703 |
case cscGetEntries: { // Read palette |
704 |
D(bug(" GetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
705 |
|
706 |
uint8 *s_pal; // Source palette |
707 |
uint32 d_pal = ReadMacInt32(param + csTable); // Destination palette |
708 |
uint16 start = ReadMacInt16(param + csStart); |
709 |
uint16 count = ReadMacInt16(param + csCount); |
710 |
if (d_pal == 0 || count > 255) |
711 |
return paramErr; |
712 |
|
713 |
if (start == 0xffff) { // Indexed |
714 |
for (uint32 i=0; i<=count; i++) { |
715 |
s_pal = palette + (ReadMacInt16(d_pal) & 0xff) * 3; |
716 |
uint8 red = *s_pal++; |
717 |
uint8 green = *s_pal++; |
718 |
uint8 blue = *s_pal++; |
719 |
WriteMacInt16(d_pal + 2, red * 0x0101); |
720 |
WriteMacInt16(d_pal + 4, green * 0x0101); |
721 |
WriteMacInt16(d_pal + 6, blue * 0x0101); |
722 |
d_pal += 8; |
723 |
} |
724 |
} else { // Sequential |
725 |
if (start + count > 255) |
726 |
return paramErr; |
727 |
s_pal = palette + start * 3; |
728 |
for (uint32 i=0; i<=count; i++) { |
729 |
uint8 red = *s_pal++; |
730 |
uint8 green = *s_pal++; |
731 |
uint8 blue = *s_pal++; |
732 |
WriteMacInt16(d_pal + 2, red * 0x0101); |
733 |
WriteMacInt16(d_pal + 4, green * 0x0101); |
734 |
WriteMacInt16(d_pal + 6, blue * 0x0101); |
735 |
d_pal += 8; |
736 |
} |
737 |
} |
738 |
return noErr; |
739 |
} |
740 |
|
741 |
case cscGetPages: // Get number of pages |
742 |
D(bug(" GetPages -> 1\n")); |
743 |
WriteMacInt16(param + csPage, 1); |
744 |
return noErr; |
745 |
|
746 |
case cscGetBaseAddress: // Get page base address |
747 |
D(bug(" GetBaseAddress -> %08x\n", mac_frame_base)); |
748 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
749 |
if (ReadMacInt16(param + csPage)) |
750 |
return paramErr; |
751 |
else |
752 |
return noErr; |
753 |
|
754 |
case cscGetGray: // Get luminance mapping flag |
755 |
D(bug(" GetGray -> %d\n", luminance_mapping)); |
756 |
WriteMacInt8(param, luminance_mapping ? 1 : 0); |
757 |
return noErr; |
758 |
|
759 |
case cscGetInterrupt: // Get interrupt disable flag |
760 |
D(bug(" GetInterrupt -> %d\n", interrupts_enabled)); |
761 |
WriteMacInt8(param, interrupts_enabled ? 0 : 1); |
762 |
return noErr; |
763 |
|
764 |
case cscGetGamma: |
765 |
D(bug(" GetGamma -> %08x\n", gamma_table)); |
766 |
WriteMacInt32(param + csGTable, gamma_table); |
767 |
return noErr; |
768 |
|
769 |
case cscGetDefaultMode: // Get default color depth |
770 |
D(bug(" GetDefaultMode -> %02x\n", preferred_apple_mode)); |
771 |
WriteMacInt8(param + csMode, preferred_apple_mode); |
772 |
return noErr; |
773 |
|
774 |
case cscGetCurrentMode: // Get current video mode (depth and resolution) |
775 |
D(bug(" GetCurMode -> %04x/%08x, base %08x\n", current_apple_mode, current_id, mac_frame_base)); |
776 |
WriteMacInt16(param + csMode, current_apple_mode); |
777 |
WriteMacInt32(param + csData, current_id); |
778 |
WriteMacInt16(param + csPage, 0); |
779 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
780 |
return noErr; |
781 |
|
782 |
case cscGetConnection: // Get monitor information |
783 |
D(bug(" GetConnection\n")); |
784 |
WriteMacInt16(param + csDisplayType, 8); // Modeless connection |
785 |
WriteMacInt8(param + csConnectTaggedType, 0); |
786 |
WriteMacInt8(param + csConnectTaggedData, 0); |
787 |
WriteMacInt32(param + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging |
788 |
WriteMacInt32(param + csDisplayComponent, 0); |
789 |
return noErr; |
790 |
|
791 |
case cscGetModeTiming: { // Get video timing for specified resolution |
792 |
uint32 id = ReadMacInt32(param + csTimingMode); |
793 |
D(bug(" GetModeTiming %08x\n", id)); |
794 |
if (!has_resolution(id)) |
795 |
return paramErr; |
796 |
|
797 |
WriteMacInt32(param + csTimingFormat, FOURCC('d', 'e', 'c', 'l')); |
798 |
WriteMacInt32(param + csTimingData, 0); // unknown |
799 |
uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel |
800 |
if (id == preferred_id) |
801 |
flags |= 4; // default mode |
802 |
WriteMacInt32(param + csTimingFlags, flags); |
803 |
return noErr; |
804 |
} |
805 |
|
806 |
case cscGetModeBaseAddress: // Get frame buffer base address |
807 |
D(bug(" GetModeBaseAddress -> base %08x\n", mac_frame_base)); |
808 |
WriteMacInt32(param + csBaseAddr, mac_frame_base); |
809 |
return noErr; |
810 |
|
811 |
case cscGetPreferredConfiguration: // Get default video mode (depth and resolution) |
812 |
D(bug(" GetPreferredConfiguration -> %04x/%08x\n", preferred_apple_mode, preferred_id)); |
813 |
WriteMacInt16(param + csMode, preferred_apple_mode); |
814 |
WriteMacInt32(param + csData, preferred_id); |
815 |
return noErr; |
816 |
|
817 |
case cscGetNextResolution: { // Called iteratively to obtain a list of all supported resolutions |
818 |
uint32 id = ReadMacInt32(param + csPreviousDisplayModeID); |
819 |
D(bug(" GetNextResolution %08x\n", id)); |
820 |
|
821 |
switch (id) { |
822 |
case 0: |
823 |
// Return current resolution |
824 |
id = current_id; |
825 |
break; |
826 |
|
827 |
case 0xfffffffe: |
828 |
// Return first supported resolution |
829 |
id = 0x80; |
830 |
while (!has_resolution(id)) |
831 |
id++; |
832 |
break; |
833 |
|
834 |
default: |
835 |
// Get next resolution |
836 |
if (!has_resolution(id)) |
837 |
return paramErr; |
838 |
id++; |
839 |
while (!has_resolution(id) && id < 0x100) |
840 |
id++; |
841 |
if (id == 0x100) { // No more resolutions |
842 |
WriteMacInt32(param + csRIDisplayModeID, 0xfffffffd); |
843 |
return noErr; |
844 |
} |
845 |
break; |
846 |
} |
847 |
|
848 |
WriteMacInt32(param + csRIDisplayModeID, id); |
849 |
uint32 x, y; |
850 |
get_size_of_resolution(id, x, y); |
851 |
WriteMacInt32(param + csHorizontalPixels, x); |
852 |
WriteMacInt32(param + csVerticalLines, y); |
853 |
WriteMacInt32(param + csRefreshRate, 75 << 16); |
854 |
WriteMacInt16(param + csMaxDepthMode, depth_to_apple_mode(max_depth_of_resolution(id))); |
855 |
WriteMacInt32(param + csResolutionFlags, 0); |
856 |
return noErr; |
857 |
} |
858 |
|
859 |
case cscGetVideoParameters: { // Get information about specified resolution/depth |
860 |
uint32 id = ReadMacInt32(param + csDisplayModeID); |
861 |
uint16 mode = ReadMacInt16(param + csDepthMode); |
862 |
D(bug(" GetVideoParameters %04x/%08x\n", mode, id)); |
863 |
dm_present = true; // Display Manager seems to be present |
864 |
D(bug(" Display Manager detected\n")); |
865 |
|
866 |
vector<video_mode>::const_iterator i, end = modes.end(); |
867 |
for (i = modes.begin(); i != end; ++i) { |
868 |
if (depth_to_apple_mode(i->depth) == mode && i->resolution_id == id) { |
869 |
uint32 vp = ReadMacInt32(param + csVPBlockPtr); |
870 |
WriteMacInt32(vp + vpBaseOffset, 0); |
871 |
WriteMacInt16(vp + vpRowBytes, i->bytes_per_row); |
872 |
WriteMacInt16(vp + vpBounds, 0); |
873 |
WriteMacInt16(vp + vpBounds + 2, 0); |
874 |
WriteMacInt16(vp + vpBounds + 4, i->y); |
875 |
WriteMacInt16(vp + vpBounds + 6, i->x); |
876 |
WriteMacInt16(vp + vpVersion, 0); |
877 |
WriteMacInt16(vp + vpPackType, 0); |
878 |
WriteMacInt32(vp + vpPackSize, 0); |
879 |
WriteMacInt32(vp + vpHRes, 0x00480000); // 72 dpi |
880 |
WriteMacInt32(vp + vpVRes, 0x00480000); |
881 |
uint32 pix_type, pix_size, cmp_count, cmp_size, dev_type; |
882 |
switch (i->depth) { |
883 |
case VDEPTH_16BIT: |
884 |
pix_type = 0x10; pix_size = 16; |
885 |
cmp_count = 3; cmp_size = 5; |
886 |
dev_type = 2; // direct |
887 |
break; |
888 |
case VDEPTH_32BIT: |
889 |
pix_type = 0x10; pix_size = 32; |
890 |
cmp_count = 3; cmp_size = 8; |
891 |
dev_type = 2; // direct |
892 |
break; |
893 |
default: |
894 |
pix_type = 0; pix_size = 1 << i->depth; |
895 |
cmp_count = 1; cmp_size = 1 << i->depth; |
896 |
dev_type = 0; // CLUT |
897 |
break; |
898 |
} |
899 |
WriteMacInt16(vp + vpPixelType, pix_type); |
900 |
WriteMacInt16(vp + vpPixelSize, pix_size); |
901 |
WriteMacInt16(vp + vpCmpCount, cmp_count); |
902 |
WriteMacInt16(vp + vpCmpSize, cmp_size); |
903 |
WriteMacInt32(param + csPageCount, 1); |
904 |
WriteMacInt32(param + csDeviceType, dev_type); |
905 |
return noErr; |
906 |
} |
907 |
} |
908 |
return paramErr; // specified resolution/depth not supported |
909 |
} |
910 |
|
911 |
case cscGetMultiConnect: { |
912 |
uint32 conn = ReadMacInt32(param + csDisplayCountOrNumber); |
913 |
D(bug(" GetMultiConnect %08x\n", conn)); |
914 |
if (conn == 0xffffffff) { // Get number of connections |
915 |
WriteMacInt32(param + csDisplayCountOrNumber, 1); // Single-headed |
916 |
return noErr; |
917 |
} else if (conn == 1) { // Get information about first connection |
918 |
WriteMacInt16(param + csConnectInfo + csDisplayType, 8); // Modeless connection |
919 |
WriteMacInt8(param + csConnectInfo + csConnectTaggedType, 0); |
920 |
WriteMacInt8(param + csConnectInfo + csConnectTaggedData, 0); |
921 |
WriteMacInt32(param + csConnectInfo + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging |
922 |
WriteMacInt32(param + csConnectInfo + csDisplayComponent, 0); |
923 |
return noErr; |
924 |
} else |
925 |
return paramErr; |
926 |
} |
927 |
|
928 |
default: |
929 |
printf("WARNING: Unknown VideoDriverStatus(%d)\n", code); |
930 |
return statusErr; |
931 |
} |
932 |
} |
933 |
|
934 |
int16 VideoDriverStatus(uint32 pb, uint32 dce) |
935 |
{ |
936 |
uint8 slot_id = ReadMacInt8(dce + dCtlSlotId); |
937 |
uint16 code = ReadMacInt16(pb + csCode); |
938 |
uint32 param = ReadMacInt32(pb + csParam); |
939 |
D(bug("VideoDriverStatus slot %02x, code %d\n", slot_id, code)); |
940 |
|
941 |
monitor_desc *m = find_monitor(slot_id); |
942 |
if (m) |
943 |
return m->driver_status(code, param); |
944 |
else |
945 |
return nsDrvErr; |
946 |
} |