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Slight optimisation when DS/SS are 'flat' (base=0, limit=4G).

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This commit is contained in:
SarahW 2017-05-24 21:50:37 +01:00
commit 083ca3d4a2
10 changed files with 564 additions and 139 deletions
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8
src/ibm.h
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@ -167,6 +167,14 @@ struct
#define cycles cpu_state._cycles
uint32_t cpu_cur_status;
#define CPU_STATUS_USE32 (1 << 0)
#define CPU_STATUS_STACK32 (1 << 1)
#define CPU_STATUS_FLATDS (1 << 2)
#define CPU_STATUS_FLATSS (1 << 3)
#define COMPILE_TIME_ASSERT(expr) typedef char COMP_TIME_ASSERT[(expr) ? 1 : 0];
COMPILE_TIME_ASSERT(sizeof(cpu_state) <= 128);