Z88 Developers' Notes

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OS_Dor, The DOR interface
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OS_Ent, Enter an application
OS_Epr, File Eprom Interface
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OS_Erc, Get error context
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OS_Erh, Set error handler
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OS_Esc, Examine special condition
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OS_Exit, Quit process (application)
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OS_Fc, Select fast code (fast bank switching)
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OS_Fdp, File duplicate (sector-level)
OS_Fep, Flash Card Interface
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OS_Fma, Find Memory for Allocation
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OS_Fn, Handle functions
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OS_Frm, File read miscellaneous
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OS_Fth, Free tri-handle
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OS_Fwm, File write miscellaneous
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OS_Fxm, Free explicit memory
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OS_Gb, Get byte from file (or device)
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OS_Gbt, Get byte from file (or device) with timeout
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OS_Gth, Allocate tri-handle
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OS_Hout, write a hexadecimal byte to standard output
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OS_Ht, Hardware time manipulation
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OS_In, Read (wait for) character from standard input
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OS_Iso, key to ISO conversion
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OS_Isq, Initialize prefix sequence
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OS_Kin, Keyboard input
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OS_Mal, Allocate memory
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OS_Map, PipeDream map control
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OS_Mcl, Close memory (free memory pool)
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OS_Mfr, Free (previously allocated block) memory
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OS_Mgb, Get current bank binding in segment
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OS_Mop, Open memory (allocate memory pool)
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OS_Mpb, Set new bank binding in segment
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OS_Mv, Move bytes between stream and memory
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OS_Nln, send new line (CR/LF) to standard output
OS_Nq, Enquire
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OS_Off, Switch machine off
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OS_Op, Internal open
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OS_Out, Write character to standard output
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OS_Pb, Write byte to file / device
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OS_Pbt, Write byte to file / device with timeout
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OS_Ploz, Poll for running OZ
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OS_Poll, Poll for an application
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OS_Pout, Write embedded string at (PC) to standard output.
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OS_Prt, Send character directly to printer filter
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OS_Pur, Purge keyboard buffer
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OS_Ren, File rename
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OS_Sci, Alter screen information
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OS_Si, Low level serial interface
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OS_Sp, Specify
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OS_Sout, Write local string to standard output
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OS_Sr, Save & restore operations
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OS_Stk, Stack file current process
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OS_Tin, Read character from standard input, with timeout
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OS_Uash, Update application static handle in stacked process environment
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OS_Use, Fetch information about process card usage
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OS_Ust, Update small timer
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OS_Vth, Verify tri-handle
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OS_Wait, Wait for event
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OS_Wrt, Write token
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OS_Wsq, Write to prefix sequence
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OS_Wtb, Write token base
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OS_Wts, Write tokenized string
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OS_Xin, Examine input
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OZ_Mgb, Get memory binding
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OZ_Mpb, Set new bank binding in segment
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GN_Aab, Allocate alarm block
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GN_Alp, Process an expired alarm
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GN_Cl, Close file
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GN_Cls, Classify character
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GN_Cpy, Copy a file
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GN_Cme, Compare null-terminated strings
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GN_Crc, Get CRC-32 of ressource
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GN_D16, 16bit unsigned division
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GN_D24, 24bit unsigned division
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GN_Dei, Convert zoned, external format date to internal format
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GN_Del, Delete a file from memory
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GN_Die, Convert internal format date to zoned format
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GN_Dir, Create a directory path
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GN_Elf, Enter ELF program
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GN_Err, Display an interactive error box
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GN_Esa, Read & write to filename segments
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GN_Esp, Return an extended pointer to a system error message
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GN_Fab, Free alarm block
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GN_Fcm, Compress a filename
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GN_Fex, Expand a filename
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GN_Flc, Close filter
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GN_Flf, Flush filter
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GN_Flo, Open a filter
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GN_Flr, Read character from filter
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GN_Flw, Write character to filter
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GN_Fpb, Push back a character into filter
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GN_Gab, Get first alarm block
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GN_Gdn, Convert an ASCII string to a binary integer number
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GN_Gdt, Convert an ASCII string to an internal binary date
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GN_Ghn, Convert hexadecimal string to 32 bits integer
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GN_Gmd, Get (read) the current machine system date in internal format
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GN_Gmt, Get (read) machine system time in internal format
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GN_Gtm, Convert an ASCII string to a time in internal format
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GN_Lab, Link an alarm block into the alarm chain
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GN_Ldm, Localized Date Manipulation
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GN_Lut, Lookup table facility
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GN_M16, 16bit unsigned multiplication
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GN_M24, 24bit unsigned multiplication
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GN_Mov, Move a file
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GN_Msc, Miscellaeneous time operations
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GN_Nln, Send newline (CR/LF) to standard output
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GN_Opf, Open file/resource (wildcard search)
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GN_Opw, Open wildcard handler
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GN_Pdn, Write binary integer number as decimal ASCII string
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GN_Pdt, Convert an internal date to an ASCII string
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GN_Pfs, Parse correctness of filename segment
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GN_Phn, Convert 32 bits integer to hexadecimal ascii string
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GN_Pmd, Put (set) the current machine date
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GN_Pmt, Put (set) machine time
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GN_Prs, Parse filename
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GN_Ptm, Convert (and display) internal time to an ASCII string
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GN_Rbe, Read byte at extended address
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GN_Ren, Rename file
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GN_Sdo, send date and time to standard output
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GN_Sip, System input line routine
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GN_Skc, Skip character
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GN_Skd, Skip delimiters in byte sequense
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GN_Skt, Skip to value
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GN_Soe, Write string at extended address to standard output
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GN_Sop, Write local string to standard output
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GN_Uab, Unlink an alarm block from the alarm chain
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GN_Wbe, Write byte at extended address
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GN_Wcl, Close wildcard handle
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GN_Wfn, Fetch next match for wildcard string
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GN_Win, Standard window create with banner and bottom line
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GN_Wsm, Match filename segment to wildcard string
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GN_Xdl, Delete an entry from a linked list
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GN_Xin, Insert an entry into a linked list
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GN_Xnx, Index next entry in linked list

Gliffy Diagram

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GN_Esa, Read & write to filename segments

GN_Esa, Read & write to filename segments