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CONTRIBUTIONS/z80em86/bios/tports.lib

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+;**************************************************************************
+;*               CP/M 3 BIOS for Z80em86 Z80 CPU emulator                 *
+;*                                                                        *
+;*                    Interfacing Functions for CP/M 3                    *
+;*                                                                        *
+;*                  Copyright (C) 1992-2009 Stewart Kay                   *
+;**************************************************************************
+;
+; ChangeLog (most recent entries are at top)
+; ------------------------------------------
+; v1.0.0 - 16 February 2009, S.J.Kay
+; - Prepare for public release.
+;
+; v1.00 - 26 April 1995, S.J.Kay
+; - Undocumented changes.
+;
+; v0.00 - 1992, S.J.Kay
+; - Initial creation date.
+
+kbd1in	equ	000h		;keyboard #1 initialize
+kbd1st  equ     001h		;keyboard #1 status
+kbd1ip  equ	002h		;keyboard #1 input
+;
+kbd2in	equ	010h		;keyboard #2 (STDIN) initialize
+kbd2st  equ     011h		;keyboard #2 (STDIN) status
+kbd2ip  equ	012h		;keyboard #2 (STDIN) input
+;
+crt1in	equ	020h		;CRT #1 initialize
+crt1st  equ     021h		;CRT #1 status
+crt1op  equ	022h		;CRT #1 output
+;
+crt2in	equ	030h		;CRT #2 (STDOUT) initialize
+crt2st  equ     031h		;CRT #2 (STDOUT) status
+crt2op  equ	032h		;CRT #2 (STDOUT) output
+;
+lptini	equ	040h		;CEN initialize
+lptsta  equ     041h		;CEN status
+lptout  equ	042h		;CEN output
+;
+comini	equ	050h		;COM initialize
+comist	equ	051h		;COM input status
+cominp  equ	052h		;COM input
+comost	equ	053h		;COM output status
+comout  equ	054h		;COM output
+;
+gettme	equ	060h		;get time from system clock
+settme	equ	061h		;set time in system clock
+getdte	equ	062h		;get date from system clock
+setdte	equ	063h		;set date in system clock
+;
+rdflop  equ	080h		;read floppy disk sector
+wrflop	equ	081h		;write floppy disk sector
+rdhard	equ	082h		;read HDD file disk sector
+wrhard	equ	083h		;write HDD file disk sector
+gtboot	equ	084h		;get boot drive
+gthard	equ	085h		;get HDD file drive
+flhard	equ	086h		;flush HDD file data
+;
+blkcnt	equ	090h		;return count of blocks available
+blkget	equ	091h		;get 128 bytes from storage
+blkput	equ	092h		;put 128 bytes into storage
+blkfil	equ	093h		;fill 128 bytes in storage with value
+;
+gtzseg	equ	0a0h		;return current Z80 memory map segment
+intfnc	equ	0a1h		;interface to 8086 software interrupts
+;
+bnkuse	equ	0f0h		;selects banked system and bank size
+bnksel	equ	0f1h		;select bank #0, #1
+bnkmve	equ	0f2h		;memory move (use bnkdta 1st if interbank)
+bnkdta	equ	0f3h		;select banks for interbank memory move
+bnkdma	equ	0f4h		;sets bank for DMA access
+;
+prmsta	equ	0f8h		;return status of any Z80 Emulator parameters
+prmget	equ	0f9h		;return Z80 Emulator parameters address
+vidsta	equ	0fah		;return status of video output
+vidset	equ	0fbh		;turn video system on/off
+usrbyt	equ	0fch		;get/set user byte in emulator
+failed	equ	0fdh		;boot strap failure
+rstz80	equ	0feh		;reset the Z80 emulator
+extemu  equ	0ffh		;exit the Z80 Emulator
+;
+; end of file