X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - phar lap 386/dos-extender

Click above to get retro games delivered to your door ever month! X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - phar lap 386/dos-extender - release ms-dos memory block

[<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]

INT 21 - Phar Lap 386/DOS-Extender - RELEASE MS-DOS MEMORY BLOCK
        AX = 25C1h
        CX = real-mode paragraph address of memory block to free
Return: CF clear if successful
            EAX destroyed
        CF set on error
            AX = error code
                07h MS-DOS memory control blocks destroyed
                09h invalid memory block address in CX
SeeAlso: AX=25C0h,25C2h

Online resources provided by: http://www.X-Hacker.org --- NG 2 HTML conversion by Dave Pearson