RISC OS Search
Websites
Downloadable Files
Stronghelp Manuals
Acorn Newsgroups
containing
"Nutty quip goes here!"
Home
|
About
|
Filebase Archive
|
StrongHelp Manuals
|
Newsgroups
|
Module Database
Emulation
»
Archimedes
»
BBC Micro
TechDocs
»
Acorn RiscPC
»
Acorn A4 Laptop
»
Acorn A7000
»
Archimedes A5000
»
Archimedes A4000
»
Archimedes A30x0
»
Archimedes A3000
»
Archimedes A680
»
Archimedes A540
»
Archimedes A4x0
»
Archimedes A3x0
»
BBC Master Compact
»
BBC Master 128
»
BBC Micro
»
Acorn Atom
»
Acorn Electron
Clubs
»
WROCC
»
ROUGOL
»
MUG
»
BigBenClub.nl
Shows
»
RISC OS North
»
RISC OS London
»
RISC OS SouthWest
Other Sites
»
RISC OS Open
»
StarDot
(Discord)
»
Archimedes Archive
»
Arc Wiki
»
RISCOSitory news
»
The Icon Bar news
* R0 =
option
to modify
If the option specified by R0 requires a numeric value
R1 = value to set
If the option specified by R0 requires a string value
R1 ! ctrl-termed string
* Registers preserved
Modify a PsiFS option
Interrupts
: Interrupt status is undefined
Fast interrupts are enabled
Processor mode
: Processor is in SVC mode
Re-entrancy
: SWI is not re-entrant
Use
: This call sets the value of a PsiFS option. An error may be returned if an attempt is made to modify an option that is meaningless for the current mode of operation.
Related SWIs
:
PsiFS_Get
,
PsiFS_Mode
Related vectors
: None
PsiFS_Set options
R0 Type Option
&100 string
name of the serial block driver
&101 numeric
serial block driver port number
&102 numeric
serial block driver baud rate
&103 string
optional extra serial block driver options
&104 numeric
automatic baud rate identification mode
[sh-index]
Back to list of manuals