diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/ataricommon/SDL_biosevents.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ataricommon/SDL_biosevents.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/ataricommon/SDL_biosevents.c b/distrib/sdl-1.2.15/src/video/ataricommon/SDL_biosevents.c new file mode 100644 index 0000000..3d36b2b --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ataricommon/SDL_biosevents.c @@ -0,0 +1,131 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* + * Atari keyboard events manager, using BIOS + * + * Patrice Mandin + */ + +/* Mint includes */ +#include <mint/osbind.h> +#include <mint/cookie.h> + +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" + +#include "SDL_atarikeys.h" +#include "SDL_atarievents_c.h" +#include "SDL_xbiosevents_c.h" +#include "SDL_ataridevmouse_c.h" + +static unsigned char bios_currentkeyboard[ATARIBIOS_MAXKEYS]; +static unsigned char bios_previouskeyboard[ATARIBIOS_MAXKEYS]; +static SDL_bool use_dev_mouse = SDL_FALSE; + +static void UpdateSpecialKeys(int special_keys_state); + +void AtariBios_InitOSKeymap(_THIS) +{ + int vectors_mask; +/* unsigned long dummy;*/ + + SDL_memset(bios_currentkeyboard, 0, sizeof(bios_currentkeyboard)); + SDL_memset(bios_previouskeyboard, 0, sizeof(bios_previouskeyboard)); + + use_dev_mouse = (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE; + + vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */ + if (!use_dev_mouse) { + vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */ + } +/* if (Getcookie(C_MiNT, &dummy)==C_FOUND) { + vectors_mask = 0; + }*/ + + SDL_AtariXbios_InstallVectors(vectors_mask); +} + +void AtariBios_PumpEvents(_THIS) +{ + int i; + SDL_keysym keysym; + + /* Update pressed keys */ + SDL_memset(bios_currentkeyboard, 0, ATARIBIOS_MAXKEYS); + + while (Bconstat(_CON)) { + unsigned long key_pressed; + key_pressed=Bconin(_CON); + bios_currentkeyboard[(key_pressed>>16)&(ATARIBIOS_MAXKEYS-1)]=0xFF; + } + + /* Read special keys */ + UpdateSpecialKeys(Kbshift(-1)); + + /* Now generate events */ + for (i=0; i<ATARIBIOS_MAXKEYS; i++) { + /* Key pressed ? */ + if (bios_currentkeyboard[i] && !bios_previouskeyboard[i]) + SDL_PrivateKeyboard(SDL_PRESSED, + SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE)); + + /* Key unpressed ? */ + if (bios_previouskeyboard[i] && !bios_currentkeyboard[i]) + SDL_PrivateKeyboard(SDL_RELEASED, + SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE)); + } + + if (use_dev_mouse) { + SDL_AtariDevMouse_PostMouseEvents(this, SDL_TRUE); + } else { + SDL_AtariXbios_PostMouseEvents(this, SDL_TRUE); + } + + /* Will be previous table */ + SDL_memcpy(bios_previouskeyboard, bios_currentkeyboard, sizeof(bios_previouskeyboard)); +} + +static void UpdateSpecialKeys(int special_keys_state) +{ +#define UPDATE_SPECIAL_KEYS(numbit,scancode) \ + { \ + if (special_keys_state & (1<<(numbit))) { \ + bios_currentkeyboard[scancode]=0xFF; \ + } \ + } + + UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT); + UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT); + UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL); + UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT); + UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK); +} + +void AtariBios_ShutdownEvents(void) +{ + SDL_AtariXbios_RestoreVectors(); + if (use_dev_mouse) { + SDL_AtariDevMouse_Close(); + } +} |