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IN: A = options A7 = even bank needed (for segment 0 allocation) A6 = fixed memory requested (no subject to swapping) A5 = from any slot A0-A1 = slot number if A5=0 H = page offset ($00-$3F) L = number of pages wanted (1 to 64) OUT: Fc = 0 if empty memory found at bank B Fc = 1, A = RC_Room if not enough space in slot(s) Registers changed after return: ....DE../IXIY same AFBC..HL/.... different |
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This call tells application in which bank the explicit memory area requested is free for allocation. Refer to explicit memory allocation for further informations. This system call is only available in OZ release V4.6 and newer.
Related calls
OS_Axm, Allocate explicit memory
OS_Axp, Allocate explicit page
OS_Bix, Bind in extended address
OS_Box, Restore bindings after OS_Bix
OS_Fc, Select fast code (fast bank switching)
OS_Fma, Find memory for allocation
OS_Fxm, Free explicit memory
OS_Mal, Allocate memory
OS_Mcl, Close memory (free memory pool)
OS_Mfr, Free (previously allocated block) memory
OS_Mgb, Get current bank binding in segment
OS_Mop, Open memory (allocate memory pool)
OS_Mpb, Set new bank binding in segment
OZ_Mgb, Get current bank binding in segment
OZ_Mpb, Set new bank binding in segment