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Changes for flag layout and some new support #defines

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@862
This commit is contained in:
Sjoerd van der Berg 2003-04-02 15:33:47 +00:00
parent 2f3689cd7e
commit 6fcd5cc659
1 changed files with 16 additions and 2 deletions
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18
include/cpu.h
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@ -38,7 +38,8 @@ void SetCPU16bit();
//Types of Flag changing instructions
enum {
t_ADDb=0,t_ADDw,t_ADDd,
t_UNKNOWN=0,
t_ADDb,t_ADDw,t_ADDd,
t_ORb,t_ORw,t_ORd,
t_ADCb,t_ADCw,t_ADCd,
t_SBBb,t_SBBw,t_SBBd,
@ -62,8 +63,8 @@ enum {
t_DSHLw,t_DSHLd,
t_DSHRw,t_DSHRd,
t_MUL,t_DIV,
t_UNKNOWN,
t_NOTDONE,
t_LASTFLAG
};
void Interrupt(Bit8u num);
@ -76,6 +77,19 @@ bool get_SF(void);
bool get_OF(void);
bool get_PF(void);
#define FLAG_CF 0x0001
#define FLAG_PF 0x0004
#define FLAG_AF 0x0010
#define FLAG_ZF 0x0040
#define FLAG_SF 0x0080
#define FLAG_TF 0x0100
#define FLAG_IF 0x0200
#define FLAG_DF 0x0400
#define FLAG_OF 0x0800
#define LoadCF flags.cf=get_CF();
#define LoadZF flags.zf=get_ZF();
#define LoadSF flags.sf=get_SF();