github.com/prirun.p50em
1
0
Fork 0
mirror of https://github.com/prirun/p50em.git synced 2026-04-28 21:17:32 +00:00
Code Issues Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
emdev.h
View File

@@ -1441,7 +1441,7 @@ int devcp (int class, int func, int device) {
struct timeval tv; struct timeval tv;
unsigned int elapsedms,targetticks; unsigned int elapsedms,targetticks;
unsigned short realkeys; ea_t realrp;
int i; int i;
#define SETCLKPOLL devpoll[device] = gvp->instpermsec*(-clkpic*clkrate)/1000; #define SETCLKPOLL devpoll[device] = gvp->instpermsec*(-clkpic*clkrate)/1000;
@@ -1641,11 +1641,11 @@ int devcp (int class, int func, int device) {
#define IPMTIME 5000 #define IPMTIME 5000
realkeys = getcrs16(KEYS); realrp = RP;
if ((gvp->instcount < previnstcount) || (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME)) { if ((gvp->instcount < previnstcount) || (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME)) {
if (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME) { if (gvp->instcount-previnstcount > gvp->instpermsec*IPMTIME) {
#ifndef DEMO #ifndef DEMO
putcrs16(KEYS, 0xFFFF); /* install bad keys */ RP = MAKEVA(07777, 0); /* set bad RP */
#endif #endif
i = (gvp->instcount-previnstcount) / i = (gvp->instcount-previnstcount) /
((tv.tv_sec-prev_tv.tv_sec)*1000.0 + (tv.tv_usec-prev_tv.tv_usec)/1000.0); ((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 */ /* call the security check code */
secure(tv, realkeys); secure(tv, realrp);
} }
previnstcount = gvp->instcount; previnstcount = gvp->instcount;
prev_tv = tv; prev_tv = tv;