Register parameters
RST 20H, DEFW $C206
IN:
IX = memory handle (from previous OS_Mop)
B = bank (slot ORed)
H = page address high byte ($00-$3F)
L=number of pages to be allocated (1 to 64)
OUT: Fc = 0, memory has been allocated
Fc = 1, A = RC_Room if not enough space in slot(s)
A = RC_Fail if bad argument
Registers changed after return:
..BCDE.L/IXIY same
AF....H./.... different
Notes
This call allocates a large contiguous memory area at explicit address. 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