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5.2.1 * Manager Trap  - Trap #1


 
sms.info MT.INF 1 / 0  
System information
  IN:   OUT:  
D1 calling jobs ID
D2 ASCII Version of System ROM
A0 system variables base address
 
 NOERR
 

 
sms.crjob MT.CJOB 1 / 1  
Creating the job structure, remaining in-active
  IN:   OUT:  
D1 owner job ID D1 Job ID
D2 size of code area
D3 size of data space
A0 job memory base address
A1 Zero or abs. start address, till QDOS 1.03 always zero
 
ERR.OM -3
ERR.NJ -2 too many jobs or D1 not a job
The jobs stack ptr A7 points to the lower of two zero longwords; no other initialization. Any job can be the owner.

sms.injb MT.JINF 1 / 2  
Fetch a jobs status.
  IN:   OUT:  
D1 Job ID D1 next job
D2 last job in chain / 0 D2 owner job
D3 MSB -ve: suspended 
LSB priority
A0 start address
A1 smashed
 
ERR.NJ -2
D1 can start with any valid job ID. Consecutive calls if started with D1:=D2:=0 will scan the entire jobs tree of the system. The last job will wrap back to D1:=0.
 

 
 -   n.n.. 1 / 3  

 
sms.rmjb MT.RJOB 1 / 4  
Removing an inactive Job. Not necessarily "atomic"
sms.frjb MT.FRJOB 1 / 5  
Forcedly removing a Job. Not necessarily "atomic"
  IN:   OUT:  
D1  Job ID D1 smashed
D2 smashed
D3 error code D3 smashed
A0 - A3 smashed
 
ERR.NJ -2
ERR.NC -1 Job still active (RJOB)
FRJOB will remove the specified and all its child jobs, still active jobs inclusive. The error code in D3 will be passed to a job waiting for termination of this one, which then will proceed executing (SBasic:: ERNUM after EXEC_W).
The 1st (standard)  SBasic job cannot be removed.
 
 

 
sms.frtp MT.FREE 1 / 6  
Find the biggest free space in tpa
  IN:   OUT:  
D1 size of free space
D2, D3 smashed
A0 - A3 smashed
 
NOERR

 
sms.exv MT.TRAPV 1 / 7  
activate a job specific trap redirection table (exceptions & #5 - #15)
  IN:   OUT:  
D1 Job ID
A0 Ptr to table  A0 Job base
A1 smashed
 
NOERR
New jobs will inherit the table of their originator, regardless of the actual owner.
 

 
sms.ssjb MT.SUSJB 1 / 8  
Suspend a Job. Not "atomic"
sms.usjb MT.RELJB 1 / 9  
Release a Job. Not "atomic"
  IN:   OUT:  
D1 Job ID D1 Job ID
D3.W time (ticks * 20ms)
A0 job control block
A1 Ptr to Flag byte or zero
 
ERR.NJ -2
MT.SUSJB: The flag byte, if A1 was non zero, will be reset when the job was released, after the time-out period. All jobs are rescheduled.
MT.RELJB: D3, A1 are don't care values.
 

 
sms.acjb MT.ACTIV 1 / 10  
Activate a Job. Not "atomic"
  IN:   OUT:  
D0 error code of activated job
D1 Job ID D1 Job ID
D2.B Priority 0 - 127
D3.W time-out -1 or 0
A0 base of jcb
A3 smashed if D3 was =/= 0
 
ERR.NJ -2
ERR.NC -1 Job already active
D3 = 0 for a free running independent job (SBasic: EX, EXEC),
D3 = -1 current job suspended until termination of the new one (EW, EXEC_W).


 
sms.spjb MT.PRIOR 1 / 11  
Change job priority, not "atomic"
  IN:   OUT:  
D1 Job ID D1 Job ID
D2.B Priority 0 - 127
A0 base of jcb
 
ERR.NJ -2
{15}, SQ: A0 smashed (not verified, probably false information).


 
sms.alhp MT.ALLOC 1 / 12  
Allocate heap memory, rel. A6, the only one "atomic" allocation
  IN:   OUT:  
D1 requested length D1 allocated length
D2 smashed
D3 smashed
A0 Ptr to Ptr to memory area A0 block start address
    A1 - A3 smashed
A6 Reference
 
ERR.OM -3

 
sms.rehp MT.LNKFR 1 / 13  
De-allocate heap memory, rel. A6, the only one "atomic" de-allocation
  IN:   OUT:  
D1 length to de-allocate D1 - D3 smashed
A0 memory base address A0 smashed
A1 Ptr to Ptr to memory area  A1 - A3 smashed
A6 Reference
 
 NOERR

 
sms.arpa MT.ALRES 1 / 14  
Resident memory allocation
  IN:   OUT:  
D1 requested length
A0 Base address
 
ERR.OM -3
ERR.NC -2 transient programs (jobs) already present

 
{not smsq}   MT.RERES 1 / 15  
Resident memory de-allocation, MINERVA only
  IN:   OUT:  
D1 - D3  smashed
A0 - A3 smashed
 
 ERR.NC -2 transient programs (jobs) already present
{MGG} NOERR and non functional.
{15}: {SQ} not specified.


 
sms.dmod MT.DMODE 1 / 16  
Video and display mode
  IN:   OUT:  
D1.B -1 read only D1.B mode
0 four colours
8 eight colours
D2.B -1 read only D2
0  Monitor
1 TV mode
A3 smashed
A4 JS, SQ: smashed
 
NOERR
SQ: current job specific {15}.

MINERVA additional features {3}:
 
D1 Bit set Unset
0 "other" screen visible.. ..invisible
1
ditto, current screen
  
2 "other" MODE 4 "other" MODE 8
3
ditto., current screen
4 display in screen 0 ..screen 1
5 default is screen 0 ..screen 1
6 D1 as Byte D1 as Word (16-Bit)
7
complement of Bit 6
  
8...15 don't care additional modifiers valid
8...13 Bits 0..5 absolute ..toggle
14   MODE valid in "other" screen
15   MODE valid in default screen
 
D1.B = 0 or = 8 as standard, for default screen (0).

D1 special return bits:
 
Bit 0 1 screen Name
0 visible invisible "other"
1  "  " default
2 MODE 4 MODE 8 "other"
3  "  " default MC..M256
4 screen 0 screen 1 "other"
5  "  " default
6 -/- -/- -/-
7 single double available MC..SCRN
 


 
sms.hdop MT.IPCOM 1 / 17  
 execute an IPC command. re {3.7.5}
  IN:   OUT:  
  D1.B answer bits
D5 smashed
D7 smashed
A3 Ptr to command table
 
NOERR
 

 
sms.comm MT.BAUD 1 / 18  
set Baud rate 
  IN:   OUT:  
D1.W Baud rate (re manual) D1.L  smashed
 
NOERR

 
sms.rrtc MT.RCLCK 1 / 19  
read the clock 
sms.srtc MT.SCLCK 1 / 20  
set the clock
sms.artc MT.ACLCK 1 / 21  
advance the clock
  IN:   OUT:  
D1 time (increment) in seconds D1 actual time (seconds)
A0 smashed
 
 NOERR
 

 
sms.ampa MT.ALBAS 1 / 22  
expand SBasic program memory
sms.rmpa MT.REBAS 1 / 23  
shrink SBasic program memory
  IN:   OUT:  
D1 length request D1 length done
D2, D3 smashed 
A0 - A3 smashed 
A6 Reference address A6 new Reference
A7 User-Stackptr A7 new Stackptr
 
ERR.OM -3 (MT.ALBAS)
NOERR  (MT.REBAS)
Deallocation will be effective not before the next NEW or CLEAR, reliably.
SQ: may both work in an unpredictable manner, if at all.


 
sms.achp MT.ALCHP 1 / 24  
memory allocation for a Job im Common Heap
  IN:   OUT:  
D1 requested length D1 allocated length
D2 owner job ID D2, D3 smashed
A0 base address of Blocks
A1 any even value A1 - A3 smashed
 
ERR.OM -3
ERR.NJ -2
All memory area cleared and freely useable.
A1 even-ness requirement not documented but, found in some QL-systems.


 
sms.rchp MT.RECHP 1 / 25  
Common heap memory de-allocation 
  IN:   OUT:  
D1 - D3 smashed
A0 base address A0 - A3 smashed
 
NOERR

equivalent calls to inserting the system routines to the QDOS Linked Lists, and to unlinking; re {3.3}, {3.5}, {4.2}, {4.4.}
 
sms.lexi MT.LXINT 1 / 26  
link an external Interrupt handler
sms.rexi MT.RXINT 1 / 27  
ditto. unlink
sms.lpol MT.LPOLL 1 / 28  
link a Polled (50 Hz) Interrupt handler
sms.rpol MT.RPOLL 1 / 29  
ditto. unlink.
sms.lshd MT.LSCHD 1 / 30  
link a scheduled interrupt handler.
sms.rshd MT.RSCHD 1 / 31  
ditto. unlink.
sms.liod MT.LIOD 1 / 32  
link a simple Device Handler
sms.riod MT.RIOD 1 / 33  
ditto. unlink
sms.lfsd MT.LDD 1 / 34  
link a directory Device Handler
sms.rfsd MT.RDD 1 / 35  
ditto. unlink
  IN:   OUT:  
A0 link address 
A1 (even numbered !) A1 smashed 
 

NOERR
A0 points to link field, which be filled in by the system.
4(A0) points to the previously(!) assigned call address.
 

 
sms.trns MT.TRA 1 / 36  
insert TRA tables (MT.CNTRY) {3.8}
  IN:   OUT:  
D1 Zero or Ptr to 
character translation table		 D1 smashed
D2 Zero or Ptr to 
table of system messages		 D2 smashed
D3 smashed
A0 - A3 smashed
 
 NOERR

 
No Name   1 / 37  
reserved by Sinclair, no known QDOS usage.
SQ only:
 
sms.xtop SMS.XTOP 1 / 37  
freely definable Manager Trap, User Mode
  IN:   OUT:  
called routine receives:
A5 Ptr to storage of D7, A5, A6
A6 base address of system variables
 
User Mode, only, to be terminated by RTS.
Executes in Supervisor Mode, forcedly(!) returns to User Mode.
 


 

The following Trap #1 calls are available with the Thing extension only {4.6}, in SMS2 and SMSQ/E {15}, access from QDOS and SMSQ by TH.ENTRY.

The registers D1 - D3 and A1 - A3, and sometimes A4, might not be preserved when using the Thing emulation (different sources of information tell it differently).

Any calls can return:

ERR.NF -7 Thing not found.
 

 
sms.lthg MT.LTHG 1 / 38  
link a Thing, TG {4.6}
  IN:   OUT:  
A0 link address
A1 smashed
 {15} tells that A1 will be preserved.
ERR.EX -8 Thing already exists

 
sms.rthg MT.RTHG 1 / 39  
unlink Thing if unused
  IN:   OUT:  
A0 link address
A1 smashed
 
ERR.IU -9
 

 
sms.uthg SMS.UTHG 1 / 40  
use Thing TG {4.6}
  IN:   OUT:  
D1 Job ID D1 Job ID
D2 additional data D2 return data
D3.W time to wait D3 Version
A0 Ptr to Thing name
A1 address of Thing
A2 Parameter A2 return data
 
{15}: A1 will be smashed.
ERR.xx all values from the USE Routine
 

 
sms.fthg SMS.FTHG 1 / 41  
 Thing release TG {4.6}
  IN:   OUT:  
D1 user job ID
D2 additional. Data D2 return data
D3 ditto.
A0 Ptr to Name
A1 additional. Data
A2 ditto.
 
ERR.xx all values from the FREE Routine

 
sms.zthg SMS.ZTHG 1 / 42  
forcedly Thing unlink. User Mode only
  IN:   OUT:  
A0 Ptr to name
 
Thing removal will also remove any jobs that currently use the thing concerned.
Not returm from this trap if the calling job was removed also.
Thing linkage memory will be released, automatically.
 

 
sms.nthg SMS.NTHG 1 / 43  
sequentially select next Thing
  IN:   OUT:  
A0 Ptr to Name or Zero
A1 next Link block or Zero
 
A0 := 0 at start can be used to scanning the entire Thing list,
A1 := 0 will be returned at the lists end.
 

 
sms.sthg SMS.STHG 1 / 44  
sms.nthu SMS.NTHU 1 / 44 lt {15}
find next user of a Thing
  IN:   OUT:  
  D2 owner of usage block 
A0 Name of Thing
A1 Ptr to usage block or Zero A1 next usage block / Zero
 
ERR.NJ -2 usage block not found
The size of usage block might change. or a user may disappear while scanning, thus the returned data should be verified before being used elsewhere.
 

 

The following Traps are available with SQ, only:
 

For in depth information re {15};
with the exception of (1/47) none of them were checked.

ERR.BP will be returned by any QDOS systems if those traps are not defined.
 


 
sms.iopr SMS.IOPR 1 / 46  
set i/o priority
  IN:   OUT:  
D2.W priority
 
NOERR

 
sms.cach SMS.CACH 1 / 47  
Processor Cache set 
  IN:   OUT:  
D1 -1: read only D1 old state
  1: on, 0: off
 
NOERR
 

This trap can be substituted with the system variables (bytes) at $c8(sb) and $ca(sb).
The reading mode, D1=-1, was proposed by the author and reportedly (i.e. not verified) is implemented.

 


 
sms.lldm SMS.LLDM 1 / 48  
insert "language dependent Module"
  IN:   OUT:  
D1 D1
A1 Ptr to Module A1
 
All modules of the List (A1) be linked into the language dependent modules list.
 


 
sms.lenq SMS.LENQ 1 / 49  
find language code 
  IN:   OUT:  
D1 if =/= 0, ret code D1 telephone country code
D2 if =/= 0, ret label D2 national motor car label
 
NOERR
Passing an invalid parameter will be responded to with the corresponding default value; D2 being filled up with trailing blanks, as necessary.
 


 
sms.lset SMS.LSET 1 / 50  
set language code
Data as SMS.LENQ
 


 
sms.pset SMS.PSET 1 / 51  
set/activate printer output translation
  IN:   OUT:  
D1 translation code D1 smashed
0: as TRA 0
1: as TRA 1
address: TRA address
additionally
2: IBM type TRA
3: GEM type TRA
code.W | $ffff.W: language module
code.W | 0001.W: activate
 


 
sms.mptr SMS.MPTR 1 / 52  
 find address of a system message 
  IN:   OUT:  
D1 D1
A1 message code (negative) A1 Ptr to Text
 
NOERR

 
sms.fprm SMS.FPRM 1 / 53  
 find language module
  IN:   OUT:  
D1 0 or language code
D2 0 or motorcar label
D3 Group | Module Type
 
NOERR
This trap is described as to finding the language module conformant to the passed parameters, while mentioning nothing about any return values. It is probably meant to activate a certain module as the currently "preferred module"(?).
 

 
sms.schp SMS.SCHP 1 / 56  
partially deallocate reserved memory
  IN:   OUT:  
D1 new size D1 remaining size
D2 0 or motor car label
D3 Group | Module Type
A0 base address A0 unchanged base address
 
ERR.NJ if the owner job doesn't exist (any more).

 
  sms.sevt SMS.SEVT 1 / 58  
send an "event" to a Job
sms.wevt SMS.WEVT 1 / 59  
wait for an "event"
  IN:   OUT:  
D1 destination job ID D1 allocated size
D2 "events" D2 triggering "event"
D3 time to wait
 
SMS.SEVT:
D2 remains assigned, D3 not evaluated.
ERR.NJ if the owner job doesn't exist (any more).
SMS.WEVT:
NOERR
 


 

5.2.2 ** I/O Allocation Trap #2

 

 
ioa.open IO.OPEN 2 / 1  
 open a Channel
  IN:   OUT:  
D1 Job ID D1 actual Job ID
D3 Open type (re below.) D3 smashed
D2 MGG: smashed
A0 Ptr to channel name A0 channel ID
A1 smashed
 
No channel will be left open if an error occurs.
-6 ERR.NO open failed, too many channels 
-2  ERR.NJ
-3 ERR.OM
-7  ERR.NF name not found
-8 ERR.EX file already exists
-9 ERR.IU file or device in use
-12 ERR.BN file or device name unusable
OPEN type:
0 OPEN old file or Device I/O
1 OPEN_IN old file shared access
2 OPEN_NEW new file I/O, TK MI
3 OPEN_OVER new file, overwriting old, LV
4 OPEN_DIR modify type of empty file to Directory, LV SM
 
 

 
ioa.clos IO.CLOSE 2 / 2  
 closing a Channel
  IN:   OUT:  
A0 channel ID A0, A1 smashed
 
NOERR
CLOSE always assumed successful.
 

 
ioa.frmt IO.FORMT 2 / 3  
Formatting a sectored storage medium
  IN:   OUT:  
D1.W count of useable sectors
D2.W count of all sectors
A0 Ptr to Name A0, A1 smashed
 
ERR.OM -3
ERR.FF -14 error on formatting
ERR.NF -7
ERR.IU -9
Channels open for direct access (TK2) are NOT protected to being formatted!
 
 

 
ioa.delf IO.DELET 2 / 4  
delete a File 
  IN:   OUT:  
D1 some valid job ID D1, D3 smashed
A0 Ptr to Filename A0-A2 smashed
 
ERR.NO -6 too many channels open
ERR.OM -3
ERR.NF  -7
ERR.BN -12
 

SQ only:

 
ioa.sown IOA.SOWN 2 / 5  
 assign new channel owner
  IN:   OUT:  
D1 job ID of new owner D1 smashed
A0 channel ID
 

ERR.NJ  owner job not valid
ERR.NO channel ID not valid
 
 
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