// main debugger loop
int bf_debugger( bf_code_t *bf ){
bf_code_t *dbf = bf;
//bf_code_t *dbf = new( bf_code_t );
//memcpy( dbf, bf, sizeof( bf_code_t ));
char buf[256];
int lret = 0;
int broke;
bfid_brkp_t *temp;
bfid_cmd_hook_t *hook;
if ( !bfid_initialized )
bfid_init( );
dbf->debugging = 1;
interrupted = 1;
signal( SIGINT, (__sighandler_t)debug_signal );
printf( "[>] yabi debugger v0.99\n" );
while ( dbf->debugging ){
if ( interrupted ){
if ( lret )
printf( "[%d] ", lret );
else
printf( "[ ] " );
printf( "> " );
fgets( buf, 256, stdin );
if ( strlen( buf ) < 2 )
continue;
if (( lret = bfid_execcmd( dbf, buf )) < 0 )
printf( "Unknown command.\n" );
} else {
if ( dbf->ip < dbf->codesize ){
bf_step( dbf );
for ( temp = brkp_list; temp; temp = temp->next ){
broke = 0;
if ( temp->type == BRK_IP && temp->val == dbf->ip ){
interrupted = broke = 1;
} else if ( temp->type == BRK_MEM && temp->val == dbf->ptr ){
interrupted = broke = 1;
} else if ( temp->type == BRK_INSTR &&
temp->val == dbf->code[ dbf->ip ]){
interrupted = broke = 1;
}
if ( broke ){
sprintf( buf, "%u\0", dbf->ip );
set_variable( "ip", buf );
sprintf( buf, "%u\0", dbf->ptr );
set_variable( "ptr", buf );
for ( hook = temp->hooks; hook; hook = hook->next ){
if ( bfid_execcmd( dbf, hook->cmd ) < 0 )
printf( "[ ] Unknown hook command: \"%s\"\n", hook->cmd );
}
}
}
} else {
printf( "Program terminated.\n" );
interrupted = 1;
}
}
}
//free( dbf );
return 0;
}
// main debugger loop
int bf_debugger( Emulator_t *em )
{
Emulator_t *dem = em;
char buf[256];
int lret = 0;
int broke;
int i;
bfid_brkp_t *temp;
bfid_cmd_hook_t *hook;
if ( !bfid_initialized )
bfid_init( );
dem->Debugging = 1;
interrupted = 1;
signal( SIGINT, (__sighandler_t)debug_signal );
printf( "[>] Unnamed NES debugger v0.01\n" );
while ( dem->Debugging ) {
if ( interrupted ) {
if ( lret )
printf( "[%x] ", lret & 0xff );
else
printf( "[ ] " );
printf( "> " );
fgets( buf, 256, stdin );
if ( strlen( buf ) < 2 )
continue;
if (( lret = bfid_execcmd( dem, buf )) < 0 ) {
printf( "Unknown command.\n" );
continue;
}
sprintf( buf, "%u\0", dem->Cpus[0].pCounter );
set_variable( "ip", buf );
sprintf( buf, "%u\0", dem->Cpus[0].sPointer );
set_variable( "ptr", buf );
} else {
for ( i = 0; i < dem->cpuNo; i++ ) {
CpuStep( &dem->Cpus[i] );
// Check for breakpoints on the cpu
for ( temp = brkp_list; temp; temp = temp->next ) {
broke = 0;
if ( temp->type == BRK_IP && temp->val == dem->Cpus[i].pCounter ) {
interrupted = broke = 1;
} else if ( temp->type == BRK_MEM && temp->val == dem->Cpus[i].sPointer ) {
interrupted = broke = 1;
} else if ( temp->type == BRK_INSTR &&
//temp->val == dem->Cpus[i].memory[ dem->Cpus[i].pCounter ]){
temp->val == ReadByte( dem->Cpus[i].memory, dem->Cpus[i].pCounter )) {
interrupted = broke = 1;
}
if ( broke ) {
sprintf( buf, "%u\0", dem->Cpus[i].pCounter );
set_variable( "ip", buf );
sprintf( buf, "%u\0", dem->Cpus[i].sPointer );
set_variable( "ptr", buf );
if ( get_variable( "quiet" ) &&
strcmp( get_variable( "quiet" ), "true" )) {
printf( "[ ] cpu%d: breakpoint %d\n", i, temp->i );
}
for ( hook = temp->hooks; hook; hook = hook->next ) {
if ( bfid_execcmd( dem, hook->cmd ) < 0 )
printf( "[ ] Unknown hook command: \"%s\"\n", hook->cmd );
}
}
}
}
}
}
return 0;
}