Matrix1 Utility Plug-ins

Matrix1Util_20

This plug-in provides the ability to create pointers to DBPro Basic functions within your code, and to call them.
It also allows you to do the same with external DLLs.

Also included is the ability to create coroutines. Coroutines are a cooperative form of multitasking between different routines in your code. They are NOT multithreading, as that is unsafe within the DBPro runtime.

You simply create a coroutine using a function pointer, and switch between coroutines and the main routine when you decide the time is right. This simplifies the routines you write because you don't need to code the routine to process a certain amount and remember where to continue from when you return - you simply switch to another routine and the system will remember where you are in the current routine when you switch back.

Get DBPro Functions

GET FUNCTION COUNT
GET FUNCTION NAME$
GET PTR TO FUNCTION
GET PTR TO NEXT FUNCTION
GET PTR TO PREV FUNCTION
GET PTR TO THIS FUNCTION
REGISTER FUNCTION PTR
UNREGISTER FUNCTION PTR

Get DLL Functions

DLL LOAD COUNT
GET PTR TO DLL FUNCTION
LOAD DLL
UNLOAD DLL

Call Functions

CALL FUNCTION NAME
CALL FUNCTION PTR
RETURNED BOOLEAN
RETURNED BYTE
RETURNED DOUBLE FLOAT
RETURNED DOUBLE INTEGER
RETURNED DWORD
RETURNED FLOAT
RETURNED INTEGER
RETURNED STRING$
RETURNED WORD

Function pointer information

DLL FILENAME$
DLL HANDLE IS VALID
FUNCTION PTR IS VALID

Function pointer behaviour

ALLOW NULL FUNCTION PTR
SET CALL FUNCTION TUNABLES

Variable arguments

ARGLIST BOOLEAN
ARGLIST BYTE
ARGLIST DOUBLE FLOAT
ARGLIST DOUBLE INTEGER
ARGLIST DWORD
ARGLIST FLOAT
ARGLIST INTEGER
ARGLIST STRING$
ARGLIST WORD
OPEN ARGLIST
RESET ARGLIST

Coroutines

COROUTINE ACTIVE	- Determine whether a Coroutine is active
COROUTINE EXIST	- Determine if a Coroutine exists
COROUTINE RESERVED
CREATE COROUTINE	- Create a Coroutine
CURRENT COROUTINE	- Get the ID of the current Coroutine
DELETE COROUTINE	- Delete a Coroutine
FIND FREE COROUTINE
NEXT COROUTINE	- Switch to the next higher numbered Coroutine
RELEASE RESERVED COROUTINE
RESERVE FREE COROUTINE
RESTART COROUTINE	- Restart an inactive Coroutine
SET COROUTINE END STATE
SWITCH TO COROUTINE	- Switch to another Coroutine

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