F$FreeHB

Get Free High Block
Searches the DAT image for the highest set of contiguous free blocks of the specified size

OS9 F$FreeHB 103F 3E

Entry Conditions

B block count

Y DAT image pointer

Exit Conditions

A starting block number

Error Output

CC carry set on error

B error code, if any

Additional Information

  • The Get Free High Block call returns the block number of the beginning memory address of the free blocks.
  • The support module for this system call is OS9p1.

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