DTFCP supported some subset of disk and tape I/O capabilities. Charles
-----Original Message----- From: IBM Mainframe Assembler List [mailto:[email protected]] On Behalf Of Paul Gilmartin Sent: Monday, January 29, 2018 11:17 AM To: [email protected] Subject: Re: Fair comparison C vs HLASM On 2018-01-29, at 11:55:56, Seymour J Metz wrote: > While the DOS I/O was very device dependent, there was the DTFDI with limited device independence. > Insofar as "device independence" means restricting every device type to the capabilities of a card reader/punch.
