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mirror of https://github.com/prirun/p50em.git synced 2026-02-05 07:24:51 +00:00
Files
prirun.p50em/regs.h
Jim f9d4f6f3bb trace improvements, PCL indirect bit offset bug (SAC odd char bug) +
added T_TERM for system terminal output tracing
added specific user tracing:
- 2-digit number after trace (user number)
- 6-digit octal number = OWNERL (for devices)
added specific procedure tracing
major bug in PCL: indirect bit offsets not working,
  causing SAC JIM:PDALURW to be SAC JIM:PAUW
2007-03-01 00:00:00 -05:00

168 lines
3.2 KiB
C

#define REGSETS 8
/* these are 16-bit offsets into crs (current register set) */
#define A 4
#define B 5
#define L 4
#define E 6
#define S 10
#define Y 10
#define YH 10
#define YL 11
#define X 14
#define XH 14
#define XL 15
#define FLTH 20
#define FLTL 21
#define FEXP 22
#define FLTD 23
#define VSC 22
#define PB 24
#define PBH 24
#define PBL 25
#define SB 26
#define SBH 26
#define SBL 27
#define LB 28
#define LBH 28
#define LBL 29
#define XB 30
#define XBH 30
#define XBL 31
#define DTAR3 32
#define DTAR2 34
#define DTAR1 36
#define DTAR0 38
#define KEYS 40
#define MODALS 41
#define OWNER 42
#define OWNERH 42
#define OWNERL 43
#define FCODE 44
#define FADDR 46
#define TIMER 48
#define TIMERH 48
#define TIMERL 49
/* I-mode offsets for 16-bit access to registers, eg, crs[GR0H] */
#define GR0H 0
#define GR1H 2
#define GR2H 4
#define GR3H 6
#define GR4H 8
#define GR5H 10
#define GR6H 12
#define GR7H 14
/* these are 32-bit offsets into crsl (current register set long) */
#define GR0 0
#define GR1 1
#define GR2 2
#define GR3 3
#define GR4 4
#define GR5 5
#define GR6 6
#define GR7 7
#define FAR0 8
#define FLR0 9
#define FAR1 10
#define FLR1 11
#define FAC0H 8
#define FAC0L 9
#define FAC1H 10
#define FAC1L 11
union {
int rs[REGSETS][32];
unsigned short rs16[REGSETS][64];
/* locs '0-'177 as signed 32-bit integers */
int s32[32*REGSETS];
/* locs '0-'177 as unsigned 32-bit integers */
unsigned int u32[32*REGSETS];
/* locs '0-'377 as signed 16-bit integers */
short s16[64*REGSETS];
/* locs '0-'377 as signed 16-bit integers */
unsigned short u16[64*REGSETS];
/* symbolic register file locations */
struct {
unsigned int tr0,tr1,tr2,tr3,tr4,tr5,tr6,tr7;
unsigned int rdmx1,rdmx2;
unsigned short rdum1[1],ratmpl;
unsigned int rsgt1,rsgt2,recc1,recc2;
unsigned short rdum2[1],reoiv,zero,one;
unsigned int pbsave,rdmx3,rdmx4,c377,rdum3[3];
unsigned int pswpb;
unsigned short pswkeys,rdum4[1];
unsigned short pla,pcba,plb,pcbb;
unsigned int dswrma;
unsigned int dswstat;
unsigned int dswpb,rsavptr;
unsigned short regdmx[64];
unsigned int userregs[32*(REGSETS-2)];
} sym;
} regs;
unsigned short *crs;
unsigned int *crsl;
/* define mapping between memory addresses and the current register set */
unsigned short memtocrs[] = {
X, /* 0 = X */
A, /* 1 = A */
B, /* 2 = B */
Y, /* 3 = Y */
FLTH, /* 4 = FAC1/FLTH */
FLTL, /* 5 = FAC1/FLTL */
FEXP, /* 6 = FAC1/FEXP */
-1, /* 7 = PC (this is in the microcode scratch register set - TR7) */
32, /* 10 = unnamed */
FCODE, /* 11 = FCODE */
FADDR+1,/* 12 = FADDR (word) */
16, /* 13 = unnamed */
SBH, /* 14 = unnamed (SB seg) */
SBL, /* 15 = unnamed (SB word) */
LBH, /* 16 = unnamed (LB seg) */
LBL}; /* 17 = unnamed (LB word) */
#define PCBLEV 0
#define PCBLINK 1
#define PCBWAIT 2
#define PCBABT 4
#define PCBCPU 5
#define PCBPET 8
#define PCBDTAR2 10
#define PCBDTAR3 12
#define PCBIT 14
#define PCBMASK 16
#define PCBKEYS 17
#define PCBREGS 18
#define PCBFVEC 50
#define PCBFVR0 50
#define PCBFVR1 52
#define PCBFVR2 54
#define PCBFVR3 56
#define PCBFVPF 58
#define PCBCSFIRST 60
#define PCBCSNEXT 61
#define PCBCSLAST 62