Date   : Sat, 05 Jan 2008 21:22:01 -0000
From   : bbcmailinglist@... (Ian Wolstenholme)
Subject: FileStore OS Calls

Thanks very much for this.

Best wishes,


Ian

----- Original Message -----
From: jgh@... (Jonathan Graham Harston) [mailto:jgh at
arcade.demon.co.uk]
To: bbc-micro@...
Sent: 04 Jan 2008 01:24:45 +0000
Subject: Re: [BBC-Micro] FileStore OS Calls

"Ian Wolstenholme" wrote:
> Is there a list anywhere of the OS calls (OSWORD, OSBYTE etc.) which
> the FileStore will accept?
 
The only system calls the FileStore MOS implements are the following
(FileStore 3.68):
 
OSWORD calls
&01   Read TIME
&02   Write TIME
&03   Read interval timer
&04   Write interval timer
&05   Read from memory
&06   Write to memory
&10   Net_Tx
&11   Net_Rx
&13   Net_Info
&14,1 Net_SendText
&72   Disk sector access
 
OSBYTE calls
&32 Net_TxPoll
&33 Net_RxPoll
&34 Net_RxDelete
&80 =ADVAL
      ADVAL(0)  - Read disk flap state to b7, something else to b6
      **WARNING** returns in A, not in XY due to a missing TAX
      ADVAL(-4) - Examine printer buffer
&84 Read top of memory
&89 *MOTOR
      Sets LED to b0 of X
 

-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
A Review of Sheffield City Council's Members' Allowances Scheme
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