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root/cebix/BasiliskII/src/uae_cpu/newcpu.cpp
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Comparing BasiliskII/src/uae_cpu/newcpu.cpp (file contents):
Revision 1.9 by gbeauche, 2001-07-13T10:13:58Z vs.
Revision 1.10 by gbeauche, 2002-03-16T16:31:54Z

# Line 23 | Line 23 | extern int intlev(void);       // From baisili
23   #include "readcpu.h"
24   #include "newcpu.h"
25  
26 + #if ENABLE_MON
27 + #include "mon.h"
28 + #include "mon_disass.h"
29 + #endif
30 +
31   int quit_program = 0;
32   int debugging = 0;
33   struct flag_struct regflags;
# Line 47 | Line 52 | int fpp_movem_next[256];
52  
53   cpuop_func *cpufunctbl[65536];
54  
55 + #define FLIGHT_RECORDER 0
56 +
57 + #if FLIGHT_RECORDER
58 + struct rec_step {
59 +        uae_u32 d[8];
60 +        uae_u32 a[8];
61 +        uae_u32 pc;
62 + };
63 +
64 + const int LOG_SIZE = 8192;
65 + static rec_step log[LOG_SIZE];
66 + static int log_ptr = -1; // First time initialization
67 +
68 + static const char *log_filename(void)
69 + {
70 +        const char *name = getenv("M68K_LOG_FILE");
71 +        return name ? name : "log.68k";
72 + }
73 +
74 + static void record_step(uaecptr pc)
75 + {
76 +        for (int i = 0; i < 8; i++) {
77 +                log[log_ptr].d[i] = m68k_dreg(regs, i);
78 +                log[log_ptr].a[i] = m68k_areg(regs, i);
79 +        }
80 +        log[log_ptr].pc = pc;
81 +        log_ptr = (log_ptr + 1) % LOG_SIZE;
82 + }
83 +
84 + static void dump_log(void)
85 + {
86 +        FILE *f = fopen(log_filename(), "w");
87 +        if (f == NULL)
88 +                return;
89 +        for (int i = 0; i < LOG_SIZE; i++) {
90 +                int j = (i + log_ptr) % LOG_SIZE;
91 +                fprintf(f, "pc %08x\n", log[j].pc);
92 +                fprintf(f, "d0 %08x d1 %08x d2 %08x d3 %08x\n", log[j].d[0], log[j].d[1], log[j].d[2], log[j].d[3]);
93 +                fprintf(f, "d4 %08x d5 %08x d6 %08x d7 %08x\n", log[j].d[4], log[j].d[5], log[j].d[6], log[j].d[7]);
94 +                fprintf(f, "a0 %08x a1 %08x a2 %08x a3 %08x\n", log[j].a[0], log[j].a[1], log[j].a[2], log[j].a[3]);
95 +                fprintf(f, "a4 %08x a5 %08x a6 %08x a7 %08x\n", log[j].a[4], log[j].a[5], log[j].a[6], log[j].a[7]);
96 + #if ENABLE_MON
97 +                disass_68k(f, log[j].pc);
98 + #endif
99 +        }
100 + }
101 + #endif
102 +
103   #define COUNT_INSTRS 0
104  
105   #if COUNT_INSTRS
# Line 1075 | Line 1128 | void m68k_reset (void)
1128      /* gb-- moved into {fpp,fpu_x86}.cpp::fpu_init()
1129      regs.fpcr = regs.fpsr = regs.fpiar = 0; */
1130      fpu_reset();
1131 +        
1132 + #if FLIGHT_RECORDER
1133 + #if ENABLE_MON
1134 +        if (log_ptr == -1) {
1135 +                // Install "log" command in mon
1136 +                mon_add_command("log", dump_log, "log                      Dump m68k emulation log\n");
1137 +        }
1138 + #endif
1139 +        log_ptr = 0;
1140 +        memset(log, 0, sizeof(log));
1141 + #endif
1142   }
1143  
1144   void REGPARAM2 op_illg (uae_u32 opcode)
# Line 1221 | Line 1285 | static void m68k_run_1 (void)
1285   {
1286          for (;;) {
1287                  uae_u32 opcode = GET_OPCODE;
1288 + #if FLIGHT_RECORDER
1289 +                record_step(m68k_getpc());
1290 + #endif
1291                  (*cpufunctbl[opcode])(opcode);
1292                  if (regs.spcflags) {
1293                          if (do_specialties())

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