version 1.4, 1994/05/05 15:46:42
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version 1.6, 1994/05/18 17:29:52
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Line 13
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Line 13
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#include <assert.h> |
#include <assert.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <time.h> |
#include <time.h> |
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#include <sys/time.h> |
#include "forth.h" |
#include "forth.h" |
#include "io.h" |
#include "io.h" |
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extern unlink(char *); |
#ifndef unlink |
extern ftruncate(int, int); |
extern unlink(char *); |
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#endif |
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#ifndef ftruncate |
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extern ftruncate(int, int); |
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#endif |
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typedef union { |
typedef union { |
struct { |
struct { |
Line 72 typedef struct F83Name {
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Line 77 typedef struct F83Name {
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#define FTOS (fp[0]) |
#define FTOS (fp[0]) |
#endif |
#endif |
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/* |
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#define CA_DODOES (symbols[DODOES]) |
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*/ |
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int emitcounter; |
int emitcounter; |
#define NULLC '\0' |
#define NULLC '\0' |
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Line 86 int emitcounter;
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Line 87 int emitcounter;
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static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
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Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp) |
#if ~defined(select) && defined(DOS) |
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/* select replacement for DOS computers for ms only */ |
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void select(int n, int a, int b, int c, struct timeval * timeout) |
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{ |
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struct timeval time1; |
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struct timeval time2; |
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struct timezone zone1; |
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gettimeofday(&time1,&zone1); |
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time1.tv_sec += timeout->tv_sec; |
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time1.tv_usec += timeout->tv_usec; |
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while(time1.tv_usec >= 1000000) |
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{ |
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time1.tv_usec -= 1000000; |
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time1.tv_sec++; |
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} |
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do |
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{ |
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gettimeofday(&time2,&zone1); |
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} |
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while(time2.tv_usec < time1.tv_usec || time2.tv_sec < time1.tv_sec); |
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} |
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#endif |
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Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp) |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
This is very preliminary, as the bootstrap architecture is not yet decided |
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*/ |
*/ |
{ |
{ |
Xt cfa; |
Xt cfa; |
Address lp=NULL; |
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Address up=NULL; |
Address up=NULL; |
static Label symbols[]= { |
static Label symbols[]= { |
&&docol, |
&&docol, |
Line 101 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 124 Label *engine(Xt *ip, Cell *sp, Cell *rp
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&&dovar, |
&&dovar, |
&&douser, |
&&douser, |
&&dodoes, |
&&dodoes, |
&&docol, /* dummy for does handler address */ |
&&dodoes, /* dummy for does handler address */ |
#include "prim_labels.i" |
#include "prim_labels.i" |
}; |
}; |
IF_TOS(register Cell TOS;) |
IF_TOS(register Cell TOS;) |
Line 120 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 143 Label *engine(Xt *ip, Cell *sp, Cell *rp
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docol: |
docol: |
#ifdef DEBUG |
#ifdef DEBUG |
printf("col: %x\n",(Cell)PFA1(cfa)); |
printf("%08x: col: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef undefined |
#ifdef undefined |
/* this is the simple version */ |
/* this is the simple version */ |
Line 144 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 167 Label *engine(Xt *ip, Cell *sp, Cell *rp
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docon: |
docon: |
#ifdef DEBUG |
#ifdef DEBUG |
printf("con: %x\n",*(Cell*)PFA1(cfa)); |
printf("%08x: con: %08x\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = TOS; |
Line 156 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 179 Label *engine(Xt *ip, Cell *sp, Cell *rp
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dovar: |
dovar: |
#ifdef DEBUG |
#ifdef DEBUG |
printf("var: %x\n",(Cell)PFA1(cfa)); |
printf("%08x: var: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = TOS; |
Line 170 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 193 Label *engine(Xt *ip, Cell *sp, Cell *rp
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douser: |
douser: |
#ifdef DEBUG |
#ifdef DEBUG |
printf("user: %x\n",(Cell)PFA1(cfa)); |
printf("%08x: user: %08x\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
#ifdef USE_TOS |
#ifdef USE_TOS |
*sp-- = TOS; |
*sp-- = TOS; |
TOS = up+*(Cell*)PFA1(cfa); |
TOS = (Cell)(up+*(Cell*)PFA1(cfa)); |
#else |
#else |
*--sp = up+*(Cell*)PFA1(cfa); |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
#endif |
#endif |
NEXT; |
NEXT; |
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Line 199 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 222 Label *engine(Xt *ip, Cell *sp, Cell *rp
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*/ |
*/ |
#ifdef DEBUG |
#ifdef DEBUG |
printf("does: %x\n",(Cell)PFA(cfa)); fflush(stdout); |
printf("%08x/%08x: does: %08x\n",(Cell)ip,(Cell)cfa,*(Cell)PFA(cfa)); |
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fflush(stdout); |
#endif |
#endif |
*--rp = (Cell)ip; |
*--rp = (Cell)ip; |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |
/* PFA1 might collide with DOES_CODE1 here, so we use PFA */ |