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SCP: Add comments describing the various REG initialization macros.

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Mark Pizzolato 2013-09-08 17:27:17 -07:00
parent cc0ccb43b6
commit c0b82b9adf
1 changed files with 9 additions and 0 deletions
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9
sim_defs.h
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@ -635,14 +635,22 @@ struct sim_fileref {
#define UDATA(act,fl,cap) NULL,act,NULL,NULL,NULL,0,0,(fl),0,(cap),0,NULL,0,0
#if defined (__STDC__) || defined (_WIN32)
/* Right Justified Octal Register Data */
#define ORDATA(nm,loc,wd) #nm, &(loc), 8, (wd), 0, 1, NULL, NULL
/* Right Justified Decimal Register Data */
#define DRDATA(nm,loc,wd) #nm, &(loc), 10, (wd), 0, 1, NULL, NULL
/* Right Justified Hexadecimal Register Data */
#define HRDATA(nm,loc,wd) #nm, &(loc), 16, (wd), 0, 1, NULL, NULL
/* One-bit binary flag at an arbitrary offset in a 32-bit word Register */
#define FLDATA(nm,loc,pos) #nm, &(loc), 2, 1, (pos), 1, NULL, NULL
/* Arbitrary location and Radix Register */
#define GRDATA(nm,loc,rdx,wd,pos) #nm, &(loc), (rdx), (wd), (pos), 1, NULL, NULL
/* Arrayed register whose data is kept in a standard C array Register */
#define BRDATA(nm,loc,rdx,wd,dep) #nm, (loc), (rdx), (wd), 0, (dep), NULL, NULL
/* Arrayed register whose data is part of the UNIT structure */
#define URDATA(nm,loc,rdx,wd,off,dep,fl) \
#nm, &(loc), (rdx), (wd), (off), (dep), NULL, NULL, ((fl) | REG_UNIT)
/* Same as above, but with additional description initializer */
#define ORDATAD(nm,loc,wd,desc) #nm, &(loc), 8, (wd), 0, 1, (desc), NULL
#define DRDATAD(nm,loc,wd,desc) #nm, &(loc), 10, (wd), 0, 1, (desc), NULL
#define HRDATAD(nm,loc,wd,desc) #nm, &(loc), 16, (wd), 0, 1, (desc), NULL
@ -651,6 +659,7 @@ struct sim_fileref {
#define BRDATAD(nm,loc,rdx,wd,dep,desc) #nm, (loc), (rdx), (wd), 0, (dep), (desc), NULL
#define URDATAD(nm,loc,rdx,wd,off,dep,fl,desc) \
#nm, &(loc), (rdx), (wd), (off), (dep), (desc), NULL, ((fl) | REG_UNIT)
/* Same as above, but with additional description initializer, and bitfields */
#define ORDATADF(nm,loc,wd,desc,flds) #nm, &(loc), 8, (wd), 0, 1, (desc), (flds)
#define DRDATADF(nm,loc,wd,desc,flds) #nm, &(loc), 10, (wd), 0, 1, (desc), (flds)
#define HRDATADF(nm,loc,wd,desc,flds) #nm, &(loc), 16, (wd), 0, 1, (desc), (flds)