SYSTEM COMMAND SET

Your PC, and indeed any PC system that runs your software will have a wide range of capabilities that your program may wish to detect and utilize. You may also wish to present the user with a selection of possible modes and allow a selection to be made.

Click on any commands for more information:

PERFORM CHECKLIST FOR GRAPHICS CARDS will make a list of all display cards
SET GRAPHICS CARD will set the current display card
SET EMULATION ON will select software emulation
SET EMULATION OFF will select hardware acceleration
EMPTY CHECKLIST will clear the general purpose checklist facility

DISABLE ESCAPEKEY will disable the escape key exit
ENABLE ESCAPEKEY will enable the escape key exit

The next commands will return a result:

CHECKLIST QUANTITY() will return the total number of items in the checklist
CHECKLIST VALUE A() will return value A from the specified item in the checklist
CHECKLIST VALUE B() will return value B from the specified item in the checklist
CHECKLIST VALUE C() will return value C from the specified item in the checklist
CHECKLIST VALUE D() will return value D from the specified item in the checklist
CHECKLIST STRING$() will return the string from the specified item in the checklist

CURRENT GRAPHICS CARD$() will return the name of the current display card
SYSTEM DMEM AVAILABLE() will return the total video memory available
SYSTEM SMEM AVAILABLE() will return the total system memory available
SYSTEM TMEM AVAILABLE() will return the overall system memory available
EMULATION MODE() will return a one if the system is in software emulation mode