Z88 Developers' Notes | ||
---|---|---|
Contents | Contents of System Calls |
OS_Mpb, set new bank binding in segment
RST 20H, DEFB $5D
IN:
C = memory segment specifier (MS_S0, MS_S1, MS_S2 & MS_S3) B = bank number to bind into this segment ($00 - $FF)OUT, if call successful:
Fc = 0 B = bank number previously bound to that segmentOUT, if call failed:
Fc = 1 A = error code: RC_ERR ($0F), C was not validRegisters changed after return:
...CDEHL/IXIY same AFB...../.... differentNotes:
Bugs:
Related calls:
OS_Bix, bind in extended address
OS_Box, restore bindings after OS_Bix
OS_Fc, select fast code (fast bank switching)
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)