From: Dale Stanbrough <dale@rmit.edu.au>
Subject: Low level features in GNAT on DOS?
Date: 30 Jan 1995 00:32:01 GMT
Date: 1995-01-30T00:32:01+00:00 [thread overview]
Message-ID: <3ghc21$l71@goanna.cs.rmit.edu.au> (raw)
Hi,
Does GNAT on DOS support low level features such as
- for object'address use <some value> ?
- the ability to call the DOS interupt functions, e.g. Interupt 16#16#,
function 0,
which reads the raw scan code from the keyboard.
- the 80x86 IN and OUT instructions?
...and how would I go about using them?
Specifically I would like to convert some old code that writes directly
to video
memory (80x25 mode), and be able to read characters raw.
Dale
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