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Use new lazy flag defines for conditional testing

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changed inc/dec instructions to also safe first parameter


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1425
This commit is contained in:
Sjoerd van der Berg 2003-11-09 09:48:02 +00:00
parent 4730d55ed9
commit 81ed2689cb
1 changed files with 22 additions and 20 deletions
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42
src/cpu/core_full/op.h
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@ -33,26 +33,28 @@ switch (inst.code.op) {
lflags.type=inst.code.op;
break;
case t_ADCb: case t_ADCw: case t_ADCd:
lflags.oldcf=get_CF()!=0;
lflags.oldcf=(get_CF()!=0);
lf_var1d=inst.op1.d;
lf_var2d=inst.op2.d;
inst.op1.d=lf_resd=lf_var1d + lf_var2d + lflags.oldcf;
lflags.type=inst.code.op;
break;
case t_SBBb: case t_SBBw: case t_SBBd:
lflags.oldcf=get_CF()!=0;
lflags.oldcf=(get_CF()!=0);
lf_var1d=inst.op1.d;
lf_var2d=inst.op2.d;
inst.op1.d=lf_resd=lf_var1d - lf_var2d - lflags.oldcf;
lflags.type=inst.code.op;
break;
case t_INCb: case t_INCw: case t_INCd:
SETFLAGBIT(CF,get_CF());
LoadCF;
lf_var1d=inst.op1.d;
inst.op1.d=lf_resd=inst.op1.d+1;
lflags.type=inst.code.op;
break;
case t_DECb: case t_DECw: case t_DECd:
SETFLAGBIT(CF,get_CF());
LoadCF;
lf_var1d=inst.op1.d;
inst.op1.d=lf_resd=inst.op1.d-1;
lflags.type=inst.code.op;
break;
@ -218,22 +220,22 @@ switch (inst.code.op) {
AAD(inst.op1.b);
goto nextopcode;
case O_C_O: inst.cond=get_OF(); break;
case O_C_NO: inst.cond=!get_OF(); break;
case O_C_B: inst.cond=get_CF(); break;
case O_C_NB: inst.cond=!get_CF(); break;
case O_C_Z: inst.cond=get_ZF(); break;
case O_C_NZ: inst.cond=!get_ZF(); break;
case O_C_BE: inst.cond=get_CF() || get_ZF(); break;
case O_C_NBE: inst.cond=!get_CF() && !get_ZF(); break;
case O_C_S: inst.cond=get_SF(); break;
case O_C_NS: inst.cond=!get_SF(); break;
case O_C_P: inst.cond=get_PF(); break;
case O_C_NP: inst.cond=!get_PF(); break;
case O_C_L: inst.cond=get_SF() != get_OF(); break;
case O_C_NL: inst.cond=get_SF() == get_OF(); break;
case O_C_LE: inst.cond=get_ZF() || (get_SF() != get_OF()); break;
case O_C_NLE: inst.cond=(get_SF() == get_OF()) && !get_ZF(); break;
case O_C_O: inst.cond=TFLG_O; break;
case O_C_NO: inst.cond=TFLG_NO; break;
case O_C_B: inst.cond=TFLG_B; break;
case O_C_NB: inst.cond=TFLG_NB; break;
case O_C_Z: inst.cond=TFLG_Z; break;
case O_C_NZ: inst.cond=TFLG_NZ; break;
case O_C_BE: inst.cond=TFLG_BE; break;
case O_C_NBE: inst.cond=TFLG_NBE; break;
case O_C_S: inst.cond=TFLG_S; break;
case O_C_NS: inst.cond=TFLG_NS; break;
case O_C_P: inst.cond=TFLG_P; break;
case O_C_NP: inst.cond=TFLG_NP; break;
case O_C_L: inst.cond=TFLG_L; break;
case O_C_NL: inst.cond=TFLG_NL; break;
case O_C_LE: inst.cond=TFLG_LE; break;
case O_C_NLE: inst.cond=TFLG_NLE; break;
case O_ALOP:
reg_al=LoadMb(inst.rm_eaa);