Libraries for
Graph 100 and AFX

memzones_library 2.00b - Download
SFX RAR archive size: 114,739 bytes
Release date:Saturday 22 April 2006 23:00:32 CEST

What's new in memory_zone_library release 2.00b

- This is the eighth release -

This version in not compatible with previous versions, you'll have to re-work your program (names and types have changed).

NEW functions:
===================
MEMZ *mopen (const char ztype, const unsigned char *zonename, const char *mode);

size_t mwrite (const void *ptr, size_t element_size, size_t n, MEMZ *stream);

size_t mread (void *ptr, size_t element_size, size_t n, MEMZ *stream);

int mclose (MEMZ *stream);

int mseek (MEMZ *stream, unsigned offset, int whence);

unsigned int simple_mseek(MEMZ *a, unsigned int b); -- this is a macro

unsigned int mrewind(MEMZ *a); -- this is a macro

int munlink(MEMZ *a, MEMZ *b); -- this is a macro

int mtruncate (MEMZ *stream, size_t newsize);
===================

So now you can access memzones only using the above functions, no need to care about anything else.
You still can do it like you did with previous vresions though, but I don't recommend it.
If you don't want to use the above functions, you can keep the version 1.06.

There are other changes, but I don't remember, it's been two years since I touched or used this lib...

This is a beta version, I did test it but not as much as I wanted... I don't think there is any bug though :/

memzones_library 1.06 - Download
SFX RAR archive size: 64,269 bytes
Release date:Monday 09 August 2004 14:33:33 CEST

What's new in memory_zone_library release 1.06

- This is the seventh release -

THIS IS AN IMPORTANT UPDATE, YOU MUST RE-COMPILE YOUR PROGRAMS WITH THIS NEW VERSION

• A BIG BUG appeared in 1.05 has been corrected,
  the function search_mem_zone() could find wrong files:
  
  If the memzones configuration was something like:
  
  "L"
  "LIMITES"
  "LINES"
  
  
  and that you search the memzone named "LIMITES" or "LINES", search_mem_zone()
  would always find "L"...
  
  This bug could cause memory corruption depending on how you write to the memzone,
  especially if "LIMITES" or "LINES" are larger than "L"...
  
  
• Another BUG concerning the functions read_mem_zone() and write_mem_zone():
  - The "anti-overflow security" was not working if you were trying to read or write after the end of the memzone...
  So the memory could become corrupted and your program could crash.
  
  
  Side NOTE: Correcting this bug something appeared to be unclear in the doc:
  Actually if you want a memzone with 20 bytes available for writing you need to create a memzone of 34 bytes and even 44 bytes if you are writing in a type 1 zone...
  
  The minimum size of a memzone is 14 bytes, the size of the headers (size, zone type, zone name, size).
  
  When you call create_mem_zone() you tell the size that the memzone will take in RAM and not the available space for writing...
  

memzones_library 1.05 -
Release date:Sunday 08 August 2004 22:15:14 CEST

What's new in memory_zone_library release 1.05

- This is the sixth release -


- 1 BUG corrected -
A bug was found in the function search_mem_zone().
It could find non existent memzones in some particular cases.
If the memzones configuration was something like:

"3CHMAT"
"8E"
"8F"
"8CHN"

and that you search the memzone named "3CHN", search_mem_zone would return 1 (finding "8CHN") instead of -1.

Thanks to David Quaranta who identified this bug :)

memzones_library 1.04 -
Release date:Thursday 08 April 2004 00:51:50 CEST

What's new in memory_zone_library release 1.04

- This is the fifth release -


CHANGES:
- Added support for VC++ 1.5 compiler.
- Nothing else changed.

memzones_library 1.03 -
Release date:Wednesday 03 March 2004 05:15:24 CET

What's new in memory_zone_library release 1.03

- This is the fourth release -


CHANGES:
- Added support for Digital Mars compiler (https://www.digitalmars.com).
- Nothing else changed.

memzones_library 1.02 -
Release date:Friday 25 April 2003 22:27:58 CEST

What's new in memory_zone_library release 1.02

!!!!!!!!!!!! THIS REPLACES BASIC_libraries !!!!!!!!!!!!!!

- This is the third release -

BUGS CORRECTED:
- A possible crash has been corrected: This could happen if you had no basic file and if you were creating,
resizing or deleting zones of other type. (The function didn't allocate its own memory properly).
- If the memory was full, you were unable to decrease the size of a zone, the function create_mem_zone returned -2 (not enough memory).

NEW FEATURES:
- A new function has been added: afxleft. This function returns the available memory for user's data
(The value you can see in the system menu).

CHANGES:
- In the structure memory_zone the variables b_segment and b_offset now point on the size of the zone instead of on the first byte of the name. This doesn't change anything for you unless you were using these variables.
- The library do not use anymore the functions strlen and strcpy so it decreases the size of your program that don't use these functions either (especially for ASM programs).
- Now the parameters zonename of the function create_mem_zone and zone_name of the function search_mem_zone do not need anymore to end with a null char if the name's length is egual to 8 characters.
- The header file memzones.h should be compatible with C++ programs now, memzones.c must be compiled in C.

IMPORTANT NOTE:

This is not in the readme.txt file, please read:

When you are writing within several memory zones at the same time, you have to call search_mem_zone() before calling any function that uses the memory_zone structure, each time you write to a memory zone, the whole memory changes and so if you have other memory_zone structures, you need to update each of them before any action using the structure).

memzones_library 1.01 -
Release date:Tuesday 31 December 2002 20:57:14 CET

What's new in memory_zone_library release 1.01

!!!!!!!!!!!! THIS REPLACES BASIC_libraries !!!!!!!!!!!!!!

This is the second release :

This version corrects three bugs:
- It was impossible to use a length of 1 with read_mem_zone() or write_mem_zone() you had to read/write at least 2 bytes.
- It was impossible to write more than 32768 bytes at once with write_mem_zone().
- When the flag CREATE_ZONE was used with create_mem_zone() the function returned 0 instead of -1 if the size of the created zone was the same than the existing file one.

READ the memzones_libraryReadme100.txt it contains very imprtant information.

Thank you very much to use these functions!

memzones_library 1.00 -
Release date:Friday 15 November 2002 04:20:33 CET

What's new in memory_zone_library release 1.0

!!!!!!!!!!!! THIS REPLACES BASIC_libraries !!!!!!!!!!!!!!

This is the first release :

The name of the functions have been changed but macro are defined to keep it compatible with your programs.

- IMPROVEMENTS, NEW FEATURES:
- create_mem_zone can now really resize a zone and delete it.
This function is now instantaneous (as fast as (or faster?) CASIO(TM)'s programs).
- Now any memory zone is accessible. They can be created, resized (decreased or increased) or deleted.
- The read_mem_zone and write_mem_zone now works at maximum speed.
- The library doesn't depend anymore of segm_video, it has its own static variable.
- Security has been improved when calling functions that modifie the memory.
- Some other code improvements.
- Two new functions that are used by the functions of this lib but that you can use in your own program:
- my_movedata that allows you to move data the fatest and the most secure way possible.
- init_area that allows you to init an area of memory with a particular value the fatest way possible.
- the readme file as been improved.

- IMPORTANT CHANGES:
- The names of the files have been changed to be more accurate to the library function.
- The names of the functions have been changed too.
- READ CAREFULLY THE README FILE !!

- BUGS CORRECTED:
- search_mem_zone and create_mem_zone may not find a "file" if there was garbage characters after the NULL one.
- create_mem_zone was writting garbage characters after the NULL of the zone's name (only if name < 8 bytes).
- create_mem_zone incorrectly report data in the MAT in a very particular occasion (when a lot of data).
Which make the calc clear the memory after reboot.
- create_mem_zone was unable to create correctly zone which size was near 65535.
- create_mem_zone may break the alphabetical order if the name was containing extended character (>127).
- if the number of basic files was not pair and that the new file would be on the top of the list, it wasn't placed at its correct position.
- Some other dangerous bugs of the same kind...
- Mistakes in text and examples of the readme.txt have been corrected.


READ the memzones_libraryReadme100.txt it contains very imprtant informations.



Thank you very much to use these functions !

BASIC_librairies 2.00 -
Release date:Tuesday 10 September 2002 23:25:39 CEST

What's new in BASIC_librairies release 2.0

This is the third release :

- IMPROVEMENTS:
- the search_basic_file function has been improved, now any search of BASIC FILE is instantaneous.
- The read_toBfile and write_toBfile functions must be a little bit faster.
- Some other code improvements.
- The readme file has been improved, it must be more understandable.

- NEW FEATURES:
- Now you can create basic files since your own program specifying the size and safely for the AFX memory.
- You can increase the size of an existing BASIC file.


READ the BASIC_librairiesReadme.txt it contains very imprtant informations.



Thank you very much to use these functions !

BASIC_librairies 1.02 -
Release date:Sunday 03 March 2002 10:32:18 CET

What's new in BASIC libraries release 1.02?

This is the second release:
- A bug correction:
- The eighth byte of the name of the program putted in argument to the function "search_basic_file" wasn't taken in account during the search so only the seven first letters of the basic program name were meaning something.

- Now the search function only scan address from 0x1C20:0000 to 0x4000:0000 (147Ko).

- Comments have been added to the files BASIC-u.h and BASICf-u.c, you must read these comments!

- Some code improvements!

VERY IMPORTANT:

the order of the two last arguments of the function "read_toBfile" has been inverted (/version 1.0) to be like the write function one.
SORRY for this but it was a mistake and caused me to loose a lot of time of debugging certain of my programs just because I had inverted the arguments...


Thank you very much to use these functions!

BASIC_librairies 1.00 -
Release date:Thursday 22 November 2001 00:20:02 CET

This is the first release!

This sfx-RAR archive contains two files:
- BASIC-u.h
- BASICf-u.c


These functions allows you to write and read the basic file of your calc as if they were real files in a hard drive so you can read and write strings, integers, or even complexes structures !

See the readme.txt file for more information!

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