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Cartridge^ £DiskMate 



DISKMATE. 

INSTRUCTIONS. Never connect or disconnect a cartridge while the power 
is on. 

The Diskraate cartridge features a reset button and a small switch on 
the rear of the unit. The switch effectively makes Diskmate two 
cartridges in one so these instructions will treat it as such. 


Switch Down. In this position you will be presented with a menu on 
power up as follows; 

F. Fast Format. This option will format a disk in about 10 seconds. 
Simply select ’F’ and then enter disk name and ID when prompted. 
Note. Formatting a disk will des-coy any previous data on it. 

I. Install fastload. This feature will ioad programs at about 5 times 
normal speed. When you press * I’ a dot will appear alongside to 
indicate that the module installed. If you now ’Q’uit to basic you 
can use the feature. 

NB Fast load will not speed up seme software particularly programs 
that already feature their own f^st loader. 

U. Utility commands. Select ’U’ and a dot will appear to indicate 
that the module is installed. If you now ’Q'uit to basic you can 
use the following keywords; 

$ _ _ _D i rectory . 

®$ __ _Directory - . 

_DIR __ _ _ Dir ect ory._ 

. @S0: filename _ _ _ So ra*~ h fi le. 

gjxu: newname-oidnaiiio "Rename a file 

@10 Ini tia liz e d isk driv e. 

@V0 _ Validate a diskette. 

@ __ Read_error channel 

/fi1ename Load haslc program 

, _ __ status key. ... 

C. 4 minute copier. Copy a complete disk even some protected 
software. Simply follow the on screen prompts. 

Q. Quit will take you back to basic. Can be re entered with reset 
or SYS 32802. 

Switch up. In this position on power up or reset you will enter into 
the Micromon monitor. The usual proceedure might be to load the 
program to be veiwed and then reset to enter Micromon.The first screen 
will display the present register status and prompt for a command. 

A complete list of Micromon commands are attached. 

Notes; 

1, All capital letters must be typed as shown. Lowercase letters stand 
for information to be supplied by the user, ie (hh= any Hex value) 

2, All numbers must be entered in Hex (with no $ ). Except in number 
conversion functions. 

3, The brackets \£ around an item mean that it is optional. ( Don’t 
type the brackets.) 




























Output Commands 


P (PRINT) Switches all output from the screen to the printer 
(device 4) or vice versa. You must hit return TWICE after the P 
before entering next command. Use P again to return output to 

bSffPr’(Hp^ e J aSt -U" e ? f P r i ntin 9 is 'stuck' in the printer 
buffer (delayed printing), switching output to printer and back 
again should cause it to print. 

OPEN filenum, dev [,s.a.] [."string"] :CMD filenum - (General 
output; If the "P" command fails to work correctly with your 
printer, exit to BASIC and enter this line. Use the correct 
device number and s.a. (secondary address, if needed) for your 
printer. If a string is specified, it will be used as a title 
Reenter MICROMON and perform the desired functions. When you're 

llSlilS?, Wlth the printer, exit to BASIC arid enter 
PRINT#fi1enum rCLOSE filenum. This technique can also be used to 

o*^ re Th« tp + t - 1n a -il S c fl1e » by giving the appropriate device, 
etc. The string will be used as a file name. Be sure to open the 

file for writing by putting ",W" in file name after the file type 
(r , b or U) . r 


Debugging Commands 

G [addr] - (GO) Restores the values of the registers, etc. 
that were saved when MICROMON was entered (see R command) and 

^ < . e + u exe i U ^ eS - an ^ r 0 u t i n e • ^ [addr] is given, execution begins 
at that location. Otherwise, execution begins at the location 
given by the saved program counter. The ML routine must end with 
a BRK instruction in order to return to MICROMON. 

V [addr] - (WAiv) Restores th n saved values nf the _reois±ers 
etc. and begins executing ML code one instruction at a time! 
Prior to executing an instruction (except the first), the 
following values are displayed: the status. A, X, and Y 
registers; the stack pointer; the program counter (address of 
next instruction); and finally, the hex and mnemonic for the next 
instruction. If [addr] is specified, execution begins at that 
location. Otherwise the saved value of the program counter is 
used. Pressing anykey (except J and STOP) will execute the next 
instruction. Pressing the "J" key will execute a subroutine 
uninterrupted, until an RTS instruction is encountered. Executing 

S T ;2LnI! StrUCtion or hittin 9 the STOP key will return to normal 
MICROMON command mode and save the current register, etc. values. 

Q [addr] - (QUICK TRACE) Exactly like the "W" command except: 
execution is continuous; the instructions executed are not 
displ a yed; use STOP and "=" keys simultaneously to return to 
MICROMON; the "B" command can be used to set an optional 
"breakpoint". 

8 ad 2 r 1( £ hhhh J ‘ (BREAKPOINT SET) Sets up a "breakpoint" for 
the "Q" command. When execution reaches the address given, a BRK 
instruction is executed to return to MICROMON. If [hhhh] is 
specified, the BRK is executed only after the given address has 
been executed that number of times. 







Exit Commands 


X - (SOFT EXIT) Exits MICROMON to BASIC, leaving the BRK and 
IRQ vectors as set by MICROMON. This allows you to 'hot-start' 
MICROMON by executing a BRK instruction from BASIC, using SYS 8 
for instance. The "X" command will leave PROMOS enabled. 

E - (HARD EXIT) Exits MICROMON to BASIC but restores the 
previous contents of the BRK and IRQ vectors (set by PROMOS). 
MICROMON must be cold-started to reenter it. This command will 
leave PROMOS enabled. 

K - (KILL) Exits MICROMON to BASIC and restores the power-up 
values of the BRK and IRQ vectors. Same effect as 
RUN/STOP-RESTORE. 

G FCE2 - (RESET) Totally resets the computer. 


File commands 

L [alt. addr] "file" [,dev] - (LOAD) Loads a file from disk 
(no tape). If [,dev] is omitted, device 8 will be selected. If 
[alt. addr.] is specified, the file will be loaded at that 
address rather than its normal load address. This is very useful 
for EPROM work. After loading, the ending address of the program 
( + 1) will be printed . 

shift-L [alt. addr] "file" [,dev] - (Dummy LOAD) Same as L, 
but does not actually load the file. Used to find the ending 
address of a program (+1). 

V "file" [,dev] - (VIEW) Prints the load address of the file, 
but does not load it. 

S "file", start, end+1 [,dev] - (SAVE) Saves an area of memory 
to disk. Note that the end address you give must be 1 greater 
than the actual end. 


Memory Commands 

A addr instruction - (ASSEMBLE) Assembles one ML instruction 
into memory starting at the specified address. All addresses in 
the INSTRUCTION must be preceded by a $. Also automatically 
inserts an "A" on the following line to prepare for assembling 
another statement. Hit return or move to a blank line to end 
assembly. 






N code-start code-end offset ref-begin ref-end [W] 

(NEW LOCATION) Used to relocate a section of ML code - sort of 
like a RENUMBER command in BASIC. After moving the code with the 
"T" command, this command will adjust absolute memory references 
(not branch locations) to reflect the code's new location. The 
area specified by code-start and code-end will be searched for 
any (three-byte) instructions which reference the area specified 
by ref-start and ref-end. Any references found will be adjusted 
by adding the offset value. To calculate the proper offset, 
subtract the original start address from the new start address, 
using the command. The [W] option specifies that a table of 
two-byte vectors (Words) is being searched rather than ML code. 
See the chapter on reusing the tape routines in the KERNAL for an 
example of using this command. 

0 instr-addr target-addr - (OFFSET) Used to calculate the 
offset for branch instructions. Instr-addr is the address of the 
branch instruction itself and target-addr where you want it to 
branch to. This command is pretty useless since MICROMON 
automatically calculates the offset for you when you assemble a 
branch instruction. Don't use this command for calculating 
offsets for the "N" command. 

$ hhhh - (HEX CONVERSION) Converts the hex number hhhh into 
decimal, ASCII characters and binary. 

# ddddd - (DECIMAL CONVERSION) Converts the decimal number 
ddddd into hex, ASCII characters and binary. 

% bbbbbbbb - (BINARY CONVERSION) Converts the binary number 
bbbbbbbb into hex, decimal, and ASCII characters. 

"a " (ASCII CONVERSION) Converts the ASCII character a into 
hex, decimal and binary. 


+ hhhh hhhh - 

(HEX 

ADDITION) Adds 

the 

two 

hex 

numbers 

and 

gives a one-byte 
the low byte is 

hex 

given 

result. If the 

result 

i s 

over 

$FFFF, 

only 

- hhhh hhhh - 

number from the 

(HEX 

first 

SUBTRACTION) 

• 

Subtracts 

the 

second 

hex 


& start end - (CHECKSUM) Checksums an area of memory by ADDing 
together all of the bytes. The result is limited to two hex 
bytes.