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merge AAM-fixes

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2673
This commit is contained in:
Sebastian Strohhäcker 2006-07-19 10:30:29 +00:00
parent 72c6d40dbc
commit a2c6e8305a
1 changed files with 7 additions and 5 deletions
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12
src/cpu/instructions.h
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@ -578,10 +578,11 @@
SETFLAGBIT(PF,parity_lookup[reg_al]);
#define AAM(op1) \
if ((Bit8u)op1!=0) { \
Bit8u BLAH=op1; \
reg_ah=reg_al / BLAH; \
reg_al=reg_al % BLAH; \
{ \
Bit8u dv=op1; \
if (dv!=0) { \
reg_ah=reg_al / dv; \
reg_al=reg_al % dv; \
SETFLAGBIT(SF,(reg_al & 0x80)); \
SETFLAGBIT(ZF,(reg_al == 0)); \
SETFLAGBIT(PF,parity_lookup[reg_al]); \
@ -589,7 +590,8 @@
SETFLAGBIT(OF,0); \
SETFLAGBIT(AF,0); \
lflags.type=t_UNKNOWN; \
} else EXCEPTION(0);
} else EXCEPTION(0); \
}
//Took this from bochs, i seriously hate these weird bcd opcodes