int md::debug_cmd_minus_break(int n_args, char **args)
{
        uint32_t                addr;
        int                     index = -1;

        printf("remove bp\n");

        if (args[0][0] == '#') { // remove by index

                if (strlen(args[0]) < 2) {
                    printf("parse error\n");
                    return (1);
                }

                index = atoi(args[0]+1);

                if ((index < 0) || (index >= MAX_BREAKPOINTS)) {
                        printf("breakpoint out of range\n");
                        return (1);
                }

                if (debug_bp_m68k[index] == -1) {
                        printf("breakpoint not set\n");
                        return (1);
                }
        } else {
                errno = 0;
                addr = strtoll(args[0], NULL, 0);
                if (errno) {
                        printf("parse error\n");
                        return (1);
                }
                index = debug_find_bp_m68k(addr);
        }

        printf("debug: index = %d\n", index);

        // if we get here, index is populated with a valid bp to rm
        // therefore, shift everything down one
        memmove(&debug_bp_m68k[index+1], &debug_bp_m68k[index], MAX_BREAKPOINTS - index);
        debug_bp_m68k[MAX_BREAKPOINTS - 1] = -1; // disable last slot

        return (1);
}