mirror of
https://github.com/jscrane/r65emu.git
synced 2024-11-19 11:31:16 +00:00
30 lines
753 B
C++
30 lines
753 B
C++
|
#include <SD.h>
|
||
|
#include "sdtape.h"
|
||
|
#include "checkpoint.h"
|
||
|
#include "hardware.h"
|
||
|
|
||
|
static char buf[32];
|
||
|
static char chkpt[] = { "CHKPOINT" };
|
||
|
static int cpid = 0;
|
||
|
|
||
|
const char *checkpoint(sdtape &tape, const char *dir) {
|
||
|
tape.stop();
|
||
|
snprintf(buf, sizeof(buf), "%s%s.%03d", dir, chkpt, cpid++);
|
||
|
File file = SD.open(buf, O_WRITE | O_CREAT | O_TRUNC);
|
||
|
hardware_checkpoint(file);
|
||
|
file.close();
|
||
|
tape.start(dir);
|
||
|
return buf;
|
||
|
}
|
||
|
|
||
|
void restore(sdtape &tape, const char *dir, const char *filename) {
|
||
|
tape.stop();
|
||
|
snprintf(buf, sizeof(buf), "%s%s", dir, filename);
|
||
|
File file = SD.open(buf, O_READ);
|
||
|
hardware_restore(file);
|
||
|
file.close();
|
||
|
int n = sscanf(buf + strlen(dir), "%[A-Z0-9].%d", chkpt, &cpid);
|
||
|
cpid = (n == 1)? 0: cpid+1;
|
||
|
tape.start(dir);
|
||
|
}
|