Building: ========= On CP/M emulator: ----------------- I>era testpios.* I>a:bye If older version exists On Linux shell: --------------- cpmcp -t -f z80pack-hd ./disks/drivei.dsk RTM-Z80_RC2014/testpios.c 0: On CP/M emulator: ----------------- I>c -v -iI0: -c -o testpios.c I>link link> -x -z -Ptext=0,data,bss=0D000H -os.obj rtsys1a.obj rtsys1b.obj rtsys2a.obj rtsys2b.obj cmd.obj hexload.obj queue.obj io.obj rtclk.obj mailbox.obj \ link> balloc.obj dlist.obj util.obj snapshot.obj crtcpm.obj testpios.obj rand.obj csv.obj libc.lib I>objtohex s.obj testpios.hex On Linux shell: --------------- cpmcp -f z80pack-hd ./disks/drivei.dsk 0:RTMDEMO.HEX testpios.hex Other things are same as rtmdemo, described in RTM/Z80 User manual.