git.sur5r.net Git - cc65/blob - asminc/em-kernel.inc

   1 ;/*****************************************************************************/
   2 ;/*                                                                           */
   3 ;/*                              em-kernel.inc                                */
   4 ;/*                                                                           */
   5 ;/*                           EM kernel interface                             */
   6 ;/*                                                                           */
   7 ;/*                                                                           */
   8 ;/*                                                                           */
   9 ;/* (C) 2002-2003 Ullrich von Bassewitz                                       */
  10 ;/*               Römerstrasse 52                                             */
  11 ;/*               D-70794 Filderstadt                                         */
  12 ;/* EMail:        uz@cc65.org                                                 */
  13 ;/*                                                                           */
  14 ;/*                                                                           */
  15 ;/* This software is provided 'as-is', without any expressed or implied       */
  16 ;/* warranty.  In no event will the authors be held liable for any damages    */
  17 ;/* arising from the use of this software.                                    */
  18 ;/*                                                                           */
  19 ;/* Permission is granted to anyone to use this software for any purpose,     */
  20 ;/* including commercial applications, and to alter it and redistribute it    */
  21 ;/* freely, subject to the following restrictions:                            */
  22 ;/*                                                                           */
  23 ;/* 1. The origin of this software must not be misrepresented; you must not   */
  24 ;/*    claim that you wrote the original software. If you use this software   */
  25 ;/*    in a product, an acknowledgment in the product documentation would be  */
  26 ;/*    appreciated but is not required.                                       */
  27 ;/* 2. Altered source versions must be plainly marked as such, and must not   */
  28 ;/*    be misrepresented as being the original software.                      */
  29 ;/* 3. This notice may not be removed or altered from any source              */
  30 ;/*    distribution.                                                          */
  31 ;/*                                                                           */
  32 ;/*****************************************************************************/
  33
  34
  35
  36 ;------------------------------------------------------------------------------
  37 ; Driver header stuff
  38
  39 EMD_HDR_ID              = 0                     ; 0x65, 0x6d, 0x64 ("emd")
  40 EMD_HDR_VERSION         = 3                     ; Interface version
  41
  42 EMD_HDR_JUMPTAB         = 4
  43 EMD_HDR_INSTALL         = EMD_HDR_JUMPTAB+0     ; INSTALL routine
  44 EMD_HDR_UNINSTALL       = EMD_HDR_JUMPTAB+2     ; UNINSTALL routine
  45 EMD_HDR_PAGECOUNT       = EMD_HDR_JUMPTAB+4     ; PAGECOUNT routine
  46 EMD_HDR_MAP             = EMD_HDR_JUMPTAB+6     ; MAP routine
  47 EMD_HDR_USE             = EMD_HDR_JUMPTAB+8     ; USE routine
  48 EMD_HDR_MAPCLEAN        = EMD_HDR_JUMPTAB+10    ; MAPCLEAN routine
  49 EMD_HDR_COPYFROM        = EMD_HDR_JUMPTAB+12    ; COPYFROM routine
  50 EMD_HDR_COPYTO          = EMD_HDR_JUMPTAB+14    ; COPYTO routine
  51
  52 EMD_HDR_JUMPCOUNT       = 8                     ; Number of jump vectors
  53
  54 ;------------------------------------------------------------------------------
  55 ; Offsets into the em_copy structure
  56
  57 EM_COPY_BUF             = 0
  58 EM_COPY_OFFS            = 2
  59 EM_COPY_PAGE            = 3
  60 EM_COPY_COUNT           = 5
  61
  62 ;------------------------------------------------------------------------------
  63 ; Variables
  64
  65         .global _em_drv                         ; Pointer to driver
  66
  67 ;------------------------------------------------------------------------------
  68 ; Driver entry points
  69
  70         .global emd_install
  71         .global emd_uninstall
  72         .global emd_pagecount
  73         .global emd_map
  74         .global emd_use
  75         .global emd_commit
  76         .global emd_copyfrom
  77         .global emd_copyto
  78
  79 ;------------------------------------------------------------------------------
  80 ; ASM functions
  81
  82         .global _em_install
  83         .global _em_uninstall
  84         .global _em_pagecount
  85         .global _em_map
  86         .global _em_use
  87         .global _em_commit
  88         .global _em_copyfrom
  89         .global _em_copyto
  90
  91