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Low level driver update to CoCoSDC provided by Darren.
author David Ladd <drencor-xeen@users.sf.net>
date Fri, 09 Jan 2015 12:32:56 -0600
parents 9dd4f422aac7
children
line wrap: on
line source

********************************************************************
* NitrOS-9 Level 2 ROM Relocation Code
*
* $Id: pakrom.asm,v 1.1 2004/04/05 03:34:39 boisy Exp $
*
* This code is intended to be used in the ROM socket of a disk
* controller or program pak and is NOT intended for the CoCo's
* internal ROM.
*
* Edt/Rev  YYYY/MM/DD  Modified by
* Comment
* ------------------------------------------------------------------
*   1      1999/05/09  Boisy G. Pitre
* Created.

         ifp1  
         use   systype
         endc

         org   $C000

         fcc   /DK/       Disk BASIC Key
         jmp   RelROM,pc

* Filler area where Super Extended BASIC patches... we avoid putting code here
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF
         fdb   $FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF,$FFFF

* ROM relocation code -- copies the boot track into $2600 and JMPs to it

RelROM   leax  eom,pc     point to code code after this
         ldy   #$2600     dst address (RAM)
copyloop ldd   ,x++       get 2 bytes from src
         std   ,y++       put 2 bytes to dst
         cmpy  #$2600+$1200 at end?
         blo   copyloop   nope, copy more...
         jmp   $2602      jump to OS rel code

eom      equ   *