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| author | notaz | 2011-10-25 01:44:12 +0300 |
|---|---|---|
| committer | notaz | 2011-10-30 23:48:08 +0200 |
| commit | 4e9dcd7fcb8c6710b343f81ff89d691a0fd1a5e6 (patch) | |
| tree | 46d50a6ac8b521e30a44998cf531b04b93f18fde | |
| parent | caeefe315aeb0c86e7c9135fac7d79d8e4e4ebd4 (diff) | |
| download | pcsx_rearmed-4e9dcd7fcb8c6710b343f81ff89d691a0fd1a5e6.tar.gz pcsx_rearmed-4e9dcd7fcb8c6710b343f81ff89d691a0fd1a5e6.tar.bz2 pcsx_rearmed-4e9dcd7fcb8c6710b343f81ff89d691a0fd1a5e6.zip | |
drc: fix cycle multiplier code
rounding wrong way is enough to cause nasty timing problems
| -rw-r--r-- | libpcsxcore/new_dynarec/new_dynarec.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c index 5e6e66e..fb39cf0 100644 --- a/libpcsxcore/new_dynarec/new_dynarec.c +++ b/libpcsxcore/new_dynarec/new_dynarec.c @@ -44,9 +44,6 @@ #define MAXBLOCK 4096 #define MAX_OUTPUT_BLOCK_SIZE 262144 -int cycle_multiplier; // 100 for 1.0 -#define CLOCK_ADJUST(x) (((x) * cycle_multiplier + 50) / 100) - struct regstat { signed char regmap_entry[HOST_REGS]; @@ -279,6 +276,14 @@ int tracedebug=0; //#define DEBUG_CYCLE_COUNT 1 +int cycle_multiplier; // 100 for 1.0 + +static int CLOCK_ADJUST(int x) +{ + int s=(x>>31)|1; + return (x * cycle_multiplier + s * 50) / 100; +} + static void tlb_hacks() { #ifndef DISABLE_TLB |