Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Tweak flat DS/SS dynarec optimisation, should reduce block churn when routines are called both with and without flat DS/SS.

Browse source 
Fixed incorrect STACK32 flag when entering V86 mode that was hidden by block churn.
Protected and V86 mode status now considered when selecting block.
This commit is contained in:
SarahW 2017-11-15 21:55:27 +00:00
commit 717d815604
10 changed files with 108 additions and 78 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/x86_ops_mov_ctrl.h
View file

@ -131,6 +131,10 @@ static int opMOV_CRx_r_a16(uint32_t fetchdat)
cpu_cache_int_enabled = 0;
if (is486 && ((cr0 ^ old_cr0) & (1 << 30)))
cpu_update_waitstates();
if (cr0 & 1)
cpu_cur_status |= CPU_STATUS_PMODE;
else
cpu_cur_status &= ~CPU_STATUS_PMODE;
break;
case 2:
cr2 = cpu_state.regs[cpu_rm].l;
@ -183,6 +187,10 @@ static int opMOV_CRx_r_a32(uint32_t fetchdat)
cpu_cache_int_enabled = 0;
if (is486 && ((cr0 ^ old_cr0) & (1 << 30)))
cpu_update_waitstates();
if (cr0 & 1)
cpu_cur_status |= CPU_STATUS_PMODE;
else
cpu_cur_status &= ~CPU_STATUS_PMODE;
break;
case 2:
cr2 = cpu_state.regs[cpu_rm].l;