bfsree Interactive Debugger

while (1) {
		if (_mybounds(sp,ptrLen)) goto ERROR_BF;
		c = bfo[pc].cmd;
		switch (c) {
		case bfo_NOOP:		/*nothing*/											break;
		case bfo_VAL:		ptr[sp]+=(char)bfo[pc].val;							break;
		case bfo_VAL_M:		ptr[sp]-=(char)bfo[pc].val;							break;
		case bfo_PUT:		vm->putcp(vm->putdata, ptr[sp]);					break;
		case bfo_GET:		ptr[sp]=(inp&&*inp)?*inp++:vm->getcp(vm->getdata);	break;
		case bfo_FWD:		if (ptr[sp]==0)	pc += bfo[pc].val;
							ptr[sp]+= bfo[pc].buf;
							break;
		case bfo_REW:		if (ptr[sp]!=0)	pc += bfo[pc].val;
							ptr[sp]+= bfo[pc].buf;
							break;
		case bfo_PTR_S:		c = bfo[pc].val; while (ptr[sp]!=0) {
								sp+=c; 
								if (_mybounds(sp,ptrLen)) goto ERROR_BF;
							} 
							break;
		case bfo_VAL_MZ:	ptr[sp+bfo[pc].buf] += bfo[pc].val*ptr[sp];
							ptr[sp] = 0;
							break;
		case bfo_VAL_MUL:	ptr[sp+bfo[pc].buf] += bfo[pc].val*ptr[sp];
							break;
		case bfo_VAL_SET:	ptr[sp] = bfo[pc].val;
							break;
		case bfo_MUL_MUL:	ptr[sp+bfo[pc].buf] *= bfo[pc].val*ptr[sp];
							break;
		case bfo_EOP:		pc=-1; goto DONE;
		}

if (--icount==0) break;
		sp += bfo[pc].off;
		pc++;
	}