Keyboard buffer relocation: KEYBUF=start[,end] Select a new location for the keyboard buffer at 0x40:xx, for example 0x40:0xac-0xff, but 0x50:5-0xff ("basica" only?) feels safer? 0x60:0-0xff is scratch, we use it as SHELL PSP. (sys / boot sector load_segment / LOADSEG, exeflat call in makefile, DOS_PSP in mcb.h, main.c P_0, task.c, kernel.asm) (50:e0..ff used as early ker