TR-DOS load example

LoadExample
    ld hl,FileDescriptor
    ld c,#13        ;#3D13 C=#13: copy the file descriptor to TR-DOS system variables
    call #3D13
    xor a
    ld (#5CF9),a        ;#00: load, #FF: verify
    dec a           ;load the file to an address in HL
    ld hl,MyAddress
    ld c,#0E
    call #3D13      ;#3D13 C=#0E: load/save file
    ret

FileDescriptor
    DEFB "FILENAME"     ;8 characters
    DEFB "C"        ;file type: code