stmem_size
long stmem_size; /* 12: Size of st-ram */
if (od->stmem_size <= 0)
od->stmem_size = *ADDR_PHYSTOP;
#define stmem_size kp.stmem_size
od->stmem_size = atoi(optarg);
eprintf("ST-RAM size\t: %10d bytes\r\n",od->stmem_size);