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secure: muck up RP instead of keys if secure() is bypassed, because

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bad keys give an emulator error about a bad generic, while a bad RP
('7777/0) is a failure mechanism already in secure()
This commit is contained in:
Jim 2012-07-25 09:25:02 -04:00
parent 233ef630d4
commit ebd8a8a3fa
1 changed files with 4 additions and 4 deletions
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8
emdev.h
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@ -1441,7 +1441,7 @@ int devcp (int class, int func, int device) {
struct timeval tv;
unsigned int elapsedms,targetticks;
unsigned short realkeys;
ea_t realrp;
int i;
#define SETCLKPOLL devpoll[device] = gvp->instpermsec*(-clkpic*clkrate)/1000;
@ -1641,11 +1641,11 @@ int devcp (int class, int func, int device) {
#define IPMTIME 5000
realkeys = getcrs16(KEYS);
realrp = RP;
if ((gvp->instcount < previnstcount) || (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME)) {
if (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME) {
#ifndef DEMO
putcrs16(KEYS, 0xFFFF); /* install bad keys */
RP = MAKEVA(07777, 0); /* set bad RP */
#endif
i = (gvp->instcount-previnstcount) /
((tv.tv_sec-prev_tv.tv_sec)*1000.0 + (tv.tv_usec-prev_tv.tv_usec)/1000.0);
@ -1659,7 +1659,7 @@ int devcp (int class, int func, int device) {
/* call the security check code */
secure(tv, realkeys);
secure(tv, realrp);
}
previnstcount = gvp->instcount;
prev_tv = tv;