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memory files

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This commit is contained in:
aap
2016-04-15 01:19:00 +02:00
parent dd450b9298
commit f41c186d88
4 changed files with 36 additions and 523 deletions
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41
mem.c
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@@ -1,4 +1,5 @@
#include "pdp6.h"
#include <ctype.h>
word memory[256*1024];
//hword maxmem = 256*1024;
@@ -8,30 +9,48 @@ word membus0, membus1;
word *hold;
void
initfmem(void)
readmem(char *file, word *mem, word size)
{
FILE *f;
word w;
char buf[100], *s;
hword a;
if(f = fopen("fmem", "r"), f == NULL)
if(f = fopen(file, "r"), f == nil)
return;
for(a = 0; a < 16 && fscanf(f, "%lo", &w) != EOF; a++)
fmem[a] = w;
a = 0;
while(s = fgets(buf, 100, f)){
while(*s){
if(*s == ':')
a = strtol(s+1, &s, 8);
else if('0' <= *s && *s <= '7' &&
a < size)
mem[a++] = strtol(s, &s, 8);
else
s++;
}
}
fclose(f);
}
void
initmem(void)
{
FILE *f;
word w;
readmem("mem", memory, maxmem);
readmem("fmem", fmem, 16);
}
void
dumpmem(void)
{
hword a;
if(f = fopen("mem", "r"), f == NULL)
FILE *f;
if(f = fopen("memdump", "w"), f == nil)
return;
for(a = 0; a < maxmem && fscanf(f, "%lo", &w) != EOF; a++)
memory[a] = w;
for(a = 0; a < 16; a++)
fprint(f, ":%02o %012llo\n", a, fmem[a]);
for(a = 0; a < maxmem; a++)
fprint(f, ":%06o %012llo\n", a, memory[a]);
fclose(f);
initfmem();
}
/* When a cycle is requested we acknowledge the address