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author | Colin Snover | 2017-05-06 16:34:42 -0500 |
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committer | Colin Snover | 2017-09-19 19:54:29 -0500 |
commit | 2f9967524f610f277c9c5109d1339e3e87957804 (patch) | |
tree | 4d3a2d305c97f813f5079078d2f6e7cdfabf829c /engines/sci | |
parent | 0a44b54ee27a93d6609070d9ae3fa68ff419da85 (diff) | |
download | scummvm-rg350-2f9967524f610f277c9c5109d1339e3e87957804.tar.gz scummvm-rg350-2f9967524f610f277c9c5109d1339e3e87957804.tar.bz2 scummvm-rg350-2f9967524f610f277c9c5109d1339e3e87957804.zip |
SCI: Stop EngineState::wait mutating r_acc
This wait function is used by kernel calls other than kWait, and
those other functions do not mutate r_acc in SSCI.
Diffstat (limited to 'engines/sci')
-rw-r--r-- | engines/sci/engine/kgraphics.cpp | 4 | ||||
-rw-r--r-- | engines/sci/engine/state.cpp | 5 | ||||
-rw-r--r-- | engines/sci/engine/state.h | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp index 9bfeb9ab01..28e054bea9 100644 --- a/engines/sci/engine/kgraphics.cpp +++ b/engines/sci/engine/kgraphics.cpp @@ -397,13 +397,13 @@ reg_t kTextSize(EngineState *s, int argc, reg_t *argv) { reg_t kWait(EngineState *s, int argc, reg_t *argv) { int sleep_time = argv[0].toUint16(); - s->wait(sleep_time); + const int delta = s->wait(sleep_time); if (g_sci->_guestAdditions->kWaitHook()) { return NULL_REG; } - return s->r_acc; + return make_reg(0, delta); } reg_t kCoordPri(EngineState *s, int argc, reg_t *argv) { diff --git a/engines/sci/engine/state.cpp b/engines/sci/engine/state.cpp index 731f6b7e07..343a9496b3 100644 --- a/engines/sci/engine/state.cpp +++ b/engines/sci/engine/state.cpp @@ -136,13 +136,14 @@ void EngineState::speedThrottler(uint32 neededSleep) { } } -void EngineState::wait(int16 ticks) { +int EngineState::wait(int16 ticks) { uint32 time = g_system->getMillis(); - r_acc = make_reg(0, ((long)time - (long)lastWaitTime) * 60 / 1000); + const int tickDelta = ((long)time - (long)lastWaitTime) * 60 / 1000; lastWaitTime = time; ticks *= g_debug_sleeptime_factor; g_sci->sleep(ticks * 1000 / 60); + return tickDelta; } void EngineState::initGlobals() { diff --git a/engines/sci/engine/state.h b/engines/sci/engine/state.h index b02ace8aaf..21c9a1fe9a 100644 --- a/engines/sci/engine/state.h +++ b/engines/sci/engine/state.h @@ -126,7 +126,7 @@ public: uint32 _screenUpdateTime; /**< The last time the game updated the screen */ void speedThrottler(uint32 neededSleep); - void wait(int16 ticks); + int wait(int16 ticks); #ifdef ENABLE_SCI32 uint32 _eventCounter; /**< total times kGetEvent was invoked since the last call to kFrameOut */ |