diff options
Diffstat (limited to 'engines/sci/engine/kmath.cpp')
| -rw-r--r-- | engines/sci/engine/kmath.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/engines/sci/engine/kmath.cpp b/engines/sci/engine/kmath.cpp index dbf317860f..6d4b9a2a04 100644 --- a/engines/sci/engine/kmath.cpp +++ b/engines/sci/engine/kmath.cpp @@ -153,4 +153,22 @@ reg_t kTimesCot(EngineState *s, int argc, reg_t *argv) { return make_reg(0, (int16)(tan(param * PI / 180.0) * scale)); } +#ifdef ENABLE_SCI32 + +reg_t kMulDiv(EngineState *s, int argc, reg_t *argv) { + int16 multiplicant = argv[0].toSint16(); + int16 multiplier = argv[1].toSint16(); + int16 denominator = argv[2].toSint16(); + + // Sanity check... + if (!denominator) { + warning("kMulDiv: attempt to divide by zero (%d * %d / %d", multiplicant, multiplier, denominator); + return NULL_REG; + } + + return make_reg(0, multiplicant * multiplier / denominator); +} + +#endif + } // End of namespace Sci |