int dbg_68k_run(Uint32 nbcycle)
{
int i = 0;
while (i < nbcycle) {
// printf("%x\n",cpu_68k_getpc());
if (check_bp(cpu_68k_getpc())) {
cpu_68k_disassemble(cpu_68k_getpc(), 1);
debug_interf();
}
i += cpu_68k_run_step();
}
return i;
}
void cpu_68k_dpg_step(void) {
static Uint32 nb_cycle;
static Uint32 line_cycle;
Uint32 cpu_68k_timeslice = 200000;
Uint32 cpu_68k_timeslice_scanline = 200000/(float)262;
Uint32 cycle;
if (nb_cycle==0) {
main_loop(); /* update event etc. */
}
cycle=cpu_68k_run_step();
add_bt(cpu_68k_getpc());
line_cycle+=cycle;
nb_cycle+=cycle;
if (nb_cycle>=cpu_68k_timeslice) {
nb_cycle=line_cycle=0;
if (conf.raster) {
update_screen();
} else {
neo_interrupt();
}
state_handling(pending_save_state,pending_load_state);
cpu_68k_interrupt(1);
} else {
if (line_cycle>=cpu_68k_timeslice_scanline) {
line_cycle=0;
if (conf.raster) {
if (update_scanline())
cpu_68k_interrupt(2);
}
}
}
}
static void dbg_get(char* s, int size) {
//char buf[size];
char *args,*argsend;
int pc;
fgets(s, size, stdin);
args = s + 1;
while((*args) && ((*args) < 32)) args++;
switch (s[0]) {
case '?':
printf("B [address] Add a breakpoint at [address]\n"
"N [address] Del breakpoint at [address]\n"
"R Run until breakpoint\n");
return;
case 'B':
if (args) {
pc=strtoul(args,&argsend,0);
if (args != argsend)
add_bp(pc);
else
printf("Invalid input\n");
}
s[0]=0;
break;
case 'N':
if (args) {
pc=strtoul(args,&argsend,0);
if (args != argsend)
del_bp(pc);
else
printf("Invalid input\n");
}
s[0]=0;
break;
case 'R':
while(check_bp(cpu_68k_getpc())!=SDL_TRUE && dbg_step==0) {
cpu_68k_dpg_step();
}
if (dbg_step) dbg_step=0;
s[0]=0;
break;
}
}
