author | William Roberts <williamr@symbian.org> |
Fri, 07 Aug 2009 11:20:16 +0100 | |
changeset 7 | b016402e601c |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
1
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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1 |
/* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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2 |
SDL - Simple DirectMedia Layer |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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3 |
Copyright (C) 1997-2006 Sam Lantinga |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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4 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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5 |
This library is free software; you can redistribute it and/or |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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6 |
modify it under the terms of the GNU Lesser General Public |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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7 |
License as published by the Free Software Foundation; either |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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8 |
version 2.1 of the License, or (at your option) any later version. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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9 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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10 |
This library is distributed in the hope that it will be useful, |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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13 |
Lesser General Public License for more details. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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14 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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15 |
You should have received a copy of the GNU Lesser General Public |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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16 |
License along with this library; if not, write to the Free Software |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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17 |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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parents:
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18 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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19 |
Sam Lantinga |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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20 |
slouken@libsdl.org |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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21 |
*/ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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22 |
#include "SDL_config.h" |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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23 |
|
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24 |
#ifdef SDL_TIMER_MACOS |
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#include <Types.h> |
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#include <Timer.h> |
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#include <OSUtils.h> |
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#include <Gestalt.h> |
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#include <Processes.h> |
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#include <LowMem.h> |
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|
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parents:
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#include "SDL_timer.h" |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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#include "../SDL_timer_c.h" |
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#include "FastTimes.h" |
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|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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39 |
#if TARGET_API_MAC_CARBON |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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#define NewTimerProc NewTimerUPP |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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#endif |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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#define MS_PER_TICK (1000.0/60.0) /* MacOS tick = 1/60 second */ |
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44 |
|
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45 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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#define kTwoPower32 (4294967296.0) /* 2^32 */ |
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47 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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48 |
static double start_tick; |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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static int is_fast_inited = 0; |
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50 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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void SDL_StartTicks(void) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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52 |
{ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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53 |
if ( ! is_fast_inited ) // important to check or FastTime may hang machine! |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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SDL_SYS_TimerInit(); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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55 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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56 |
start_tick = FastMicroseconds(); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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57 |
} |
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58 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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59 |
Uint32 SDL_GetTicks(void) |
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parents:
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60 |
{ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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61 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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62 |
if ( ! is_fast_inited ) |
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63 |
SDL_SYS_TimerInit(); |
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64 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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65 |
return FastMilliseconds(); |
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66 |
} |
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67 |
|
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68 |
void SDL_Delay(Uint32 ms) |
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69 |
{ |
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70 |
Uint32 stop, now; |
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71 |
|
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72 |
stop = SDL_GetTicks() + ms; |
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73 |
do { |
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74 |
#if TARGET_API_MAC_CARBON |
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75 |
MPYield(); |
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76 |
#else |
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77 |
SystemTask(); |
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#endif |
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79 |
|
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now = SDL_GetTicks(); |
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81 |
|
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} while ( stop > now ); |
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83 |
} |
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84 |
|
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85 |
/* |
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86 |
void SDL_StartTicks(void) |
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87 |
{ |
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88 |
// FIXME: Should we implement a wrapping algorithm, like Win32? |
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parents:
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89 |
} |
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90 |
|
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91 |
Uint32 SDL_GetTicks(void) |
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parents:
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92 |
{ |
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parents:
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93 |
UnsignedWide ms; |
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diff
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94 |
|
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95 |
Microseconds (&ms); |
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96 |
|
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97 |
return ( ms.lo / 1000 ); |
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98 |
} |
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parents:
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99 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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100 |
void SDL_Delay(Uint32 ms) |
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101 |
{ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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102 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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103 |
UnsignedWide microsecs; |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
104 |
UInt32 stop; |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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105 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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106 |
Microseconds (µsecs); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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107 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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108 |
stop = microsecs.lo + (ms * 1000); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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109 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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110 |
while ( stop > microsecs.lo ) { |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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111 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
112 |
SystemTask (); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
113 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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changeset
|
114 |
Microseconds (µsecs); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
115 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
116 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
117 |
}*/ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
118 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
119 |
/* Data to handle a single periodic alarm */ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
120 |
typedef struct _ExtendedTimerRec |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
121 |
{ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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changeset
|
122 |
TMTask tmTask; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
123 |
ProcessSerialNumber taskPSN; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
124 |
} ExtendedTimerRec, *ExtendedTimerPtr; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
125 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
126 |
static ExtendedTimerRec gExtendedTimerRec; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
127 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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changeset
|
128 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
129 |
int SDL_SYS_TimerInit(void) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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130 |
{ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
131 |
FastInitialize (); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
132 |
is_fast_inited = 1; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
133 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
134 |
return(0); |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
135 |
} |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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changeset
|
136 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
137 |
void SDL_SYS_TimerQuit(void) |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
138 |
{ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
139 |
/* We don't need a cleanup? */ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
140 |
return; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
141 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
142 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
143 |
/* Our Stub routine to set up and then call the real routine. */ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
144 |
pascal void TimerCallbackProc(TMTaskPtr tmTaskPtr) |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
145 |
{ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
146 |
Uint32 ms; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
147 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
148 |
WakeUpProcess(&((ExtendedTimerPtr) tmTaskPtr)->taskPSN); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
149 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
150 |
ms = SDL_alarm_callback(SDL_alarm_interval); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
151 |
if ( ms ) { |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
152 |
SDL_alarm_interval = ROUND_RESOLUTION(ms); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
153 |
PrimeTime((QElemPtr)&gExtendedTimerRec.tmTask, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
154 |
SDL_alarm_interval); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
155 |
} else { |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
156 |
SDL_alarm_interval = 0; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
157 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
158 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
159 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
160 |
int SDL_SYS_StartTimer(void) |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
161 |
{ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
162 |
/* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
163 |
* Configure the global structure that stores the timing information. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
164 |
*/ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
165 |
gExtendedTimerRec.tmTask.qLink = NULL; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
166 |
gExtendedTimerRec.tmTask.qType = 0; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
167 |
gExtendedTimerRec.tmTask.tmAddr = NewTimerProc(TimerCallbackProc); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
168 |
gExtendedTimerRec.tmTask.tmCount = 0; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
169 |
gExtendedTimerRec.tmTask.tmWakeUp = 0; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
170 |
gExtendedTimerRec.tmTask.tmReserved = 0; |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
171 |
GetCurrentProcess(&gExtendedTimerRec.taskPSN); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
172 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
173 |
/* Install the task record */ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
174 |
InsXTime((QElemPtr)&gExtendedTimerRec.tmTask); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
175 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
176 |
/* Go! */ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
177 |
PrimeTime((QElemPtr)&gExtendedTimerRec.tmTask, SDL_alarm_interval); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
178 |
return(0); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
179 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
180 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
181 |
void SDL_SYS_StopTimer(void) |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
182 |
{ |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
183 |
RmvTime((QElemPtr)&gExtendedTimerRec.tmTask); |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
184 |
} |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
185 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
186 |
#endif /* SDL_TIMER_MACOS */ |