System - description of cool system programs: STS Monitor 6.2

(C) StALKER. 1994               
(R) KVANtSOFt. 1995             
                                
StS Monitor v2.6 (128)     
 ────────────────────────────  
(C) 1994. Stalker               
                                
 StALKER presents:      
                                
 Stalker Stealth monitor v.2.6- 
system monitor-debugger. by
much beyond its capabilities
ascending programs of this type
pa. This monitor is specially designed
worked for computer ZX-
SPECtRUM 128K.a version 48K - for
computers with shadow RAM.  When
monitor development took into account
experience working for such well-known
monitors and debuggers.  how
MONS4. MON2. FOXMON128. ADM7.08.
therefore, the purpose of the majority
the keys are the same. as in the re-
numerical monitors.            
Monitor capabilities:      
                                
 - convenient windowinterface;   
 - full-screen mode;  
 - two modes of the working panel can be
   hutopa - Disassemblerand List
 allow you to view any
   area of memory in the form of codes.
   text and assembler commands. in
   includingALLundocumented
   bathroom commands;              
 - ability to edit
   codes   text and registers
   Z-80;                        
 - step-by-step debugging and tpaccu-
   roving with tracking of re-
   hysterR;                    
 - organization of Monitor operation
   through the resident. occupying in
   48k memory only 19 bytes.
   isStS2.6indispensable for
   hacker. so for example you can
   free to download and debug
   any MAGIC file             
 - The monitor uses only ROM
   tR-DOS using @-functions.
   spoiling RAM; - allows you to use completely
   Highly non-standard firmware
   ROM BASIC;                   
 - interface for 128k assemblers
   type tASM.  ZXASM allows
   quickly debug and re-
   edit dialed programs
   frames;                       
 - used in the monitor
   quick procedure for printing sim-
   oxen size 6*8 pixels.
   which allows you to print 42
   character in the line.            
                                
                                
                                
                                
                                
                                
                                
                                
 Detailed description.     
                                
Panel management:    
[CS+1] - User Screen            
 (switching screens)        
[CS+3] или [CS+U] - Page Up     
[CS+4] или [CS+Y] - Page Down   
[SS+1] - Zoom/UnZoom panel      
  (управление размером панели)  
[SS+2] - Up/Down panel          
       (перемещение панели)     
[SS+3] - Dec/Нех Base           
  (десятичные/шестнадцатиричные 
   числа)                       
[SS+4] - Disassmebler/List Panel
  (вид панели -disassembler or
   dump)                        
[CS+SPACE] - Escape - if you  
 entered something incorrectly -
    click Escape              
[M] - set Memory addres - set- 
 new address. from which
    text will be displayed.       
                                
[B] - set Bank (Slot/RAM-pages and
    etc.) - value for the port
    #7FFD - 5. 6. 7th bits = 0.
    (disguised). 3rd = 1 (us-
    The 1st screen is displayed). 
See also system section. 
Monitor functions:     
[E] - sEtup - setting the address
    resident.                  
See also system partition;  
 Setting the key sound.color
 panels and cursor edited
 nia(attribute byte).  exit from
 windows - [SPACE] or [CS+SPACE]. 
[I] - fIll block - fill  
 memory area by code block
 1..8 bytes long.  symbol "▒"
 used to determine
 end of the block.  moves with
 by entering new characters and
 DELEtE ([CS+0]).               
[O] - cOpy block - copying  
 memory block.                  
 The resident is not restored!
                                
                                
[F] - Find bytes/text - search  
 block of bytes or text by
 'AND'-mask: bytes from memory
 are camouflaged. i.e. bits with mask
 1 remain. with mask 0 off-
 are measured and compared with the values
 It is in "bytes". If the sequence
 ity was not found in all
 bChKB of memory with the current Bank. then
 BORDER will be red.          
[N] - find Next - continuation  
search from the cursor position.      
 If the panel is in "List" mode. then
 the search will be carried out accurately
 to the cursor position.  In mode
 "Disassembler" search only in
 at the very top of the panel due to
 personal length of Z-80 commands.      
                                
                                
                                
                                
[Q] -Quit - output:             
 - in tASM128                  
The stack is restored.   
 is set to Bank = #14.
     and JP #C000 is done        
 - in BASIC (or ZXASM)     
The stack is restored.    
HL'.IY                     
 is set to Bank = #10 
 and REt is done;            
 - Restart tR-DOS             
 is set to Bank = #10.
     and JP 0 in tR-DOS ROM.       
                                
Working with disk.      
[L] - Load file.[S] - Savefile.
 After entering the file name Monitor
 reads the tR-DOS disk directory.
 determines the presence of the file and you- 
 gives in the lines Start and Len in-
 formation from the catalog.          
                                
                                
                                
[SS+L]-Load sectors.            
[SS+S]-Save sectors.            
 StSMon reads (writes) 1..255
 sectors tR-DOS to any area
 memory.  to any page of RAM
 (except 7).                    
 This does not change any
 tR-DOS system variables and
 no memory cells at all
 except for Resident and page 7
 RAM.  Therefore, it’s difficult to debug the program
 ram.   using system
 variables (for example #5CFЧ in
 monoloaders) they are necessary because
 change manually. Find out current
 track/Sector can be pressed [SS+L]
 [ENtER] (analogue of variables
 #5CFЧ-#SCFS).                  
 StSMon can also read
 (write) 1 MS-DOS sector.
 iS-DOS.  and other systems. ko-
 for which the sector length is not equal
 256 bytes per memory area up to
 #C000.                         
 Limitation to only one sector
 rum is related to that. that Monitor
 uses tR-DOS ROM @ functions
 to access the disk.           
                                
                                
 For the same reason. if you use
 you are using disks with faulty ones
 sectors. while reading (for-
 pisi) The monitor may freeze. 
 The resident is being restored.
 it can be overwritten.  for example
 load @-files in all 48k.    
                                
 Debugging commands.      
                                
[SS+Z] - Step command - step by step- 
execution of Z-80 commands;    
[SS+t] - Skip command - "res- 
 cook" commands (only in RAM).
 uses the command [W];        
                                
                                
                                
[W] - BreakPoint -  installation  
 breakpoints. Debug it
 The selected program returns to
 via Resident to Monitor. three
 breakpoint byte after
 returns are restored. Not
 uses Stack. At the same time
 you can only use one
 dot!                         
[SS+K] - Jump then PC - launch  
 programs to be executed from the address
 sa in the RS register. line with this
 the address is highlighted in white
 PC cursor. On startupremains
 Monitor screen.                
[X] - Alt.register - switch- 
removing the Z-80 registers.     
                                
                                
                                
                                
                                
                                
                                
Windows:             
                                
[t] - trace - tracing in 
step mode with indication and
 without indication (for acceleration).
 the command [SS+Z] is emulated.    
[J] - Jump then address - launch  
 programs to be executed with pro-
 arbitrary address. On startup
 User screen is installed.
 Return to monitor - bypoint
 stop.                      
 When debugging, it is necessary to
die.  so that the program being debugged
the frame did not spoil the Resident.    
                                
Error indication.        
 Due to limited volume
memory. in StS Monitor are erroneous
situations are indicated by changes
colors BORDERa:                  
                                
                                
                                
 red - the sequence is not
           found in 64k memory
           (Find command)       
blue - no disk space.  
yellow - sector number is greater
           15 (warning). 
                                
System information.      
                                
  StSMon is located at the address
sa 56064(#DB00) on page 7
RAM.  takes approximately 9k and uses
uses all 16k of this page.
including the second screen. B
the rest of the memory is used
only 19(!) bytes for the resident.
                                
 Resident - 19 bytes. placing
in the area #4000..#BFEE. is-
uses a monitor to read
i/write any memory page
(Bank). The resident is dynamically
changes (not always. see note-
commands).               
To switch the config port
walkie-talkies with standard address
#7FFD=32765 command used
 OUt (#FD).A  and the register
A<#20.  i.e. in bit representation
In practice, the port address looks like:     
 bit : FEDCBA9876543210    
value: 000rspag11111101    
 where pag is the RAM page number.  
  s - numberscreen.        
 r - ROM number.           
                                
In this case, the monitor can operate
on on computers. where is determined
This port is switched to 0
in bits F and 1. as on the proprietary one
SPECtRUM 128k (assembly options:
Pentagon128.PROFI.correctly positioned
wide Leningrad 1/2. Kharkov.
Krasnodar....) If in decipher-
re port is determined 
1 in bits E..8. then you will have 
change the scheme. or not use
call StSMon 1st and 2nd versions.
Perhaps in the 3rd version this is conditional
This will be eliminated.            
                                
3anyck from BASIC:              
 OUt 253.23:RANDOMIZE USR 56064
                                
                                
 Information about the author:       
                                
 StSMon2.6written       
Dmitry Partsyrin       
 (StALKER)            
                                
Kharkov 1994         
                                
 phone: (0572) 45-25-69.