1 ;/*****************************************************************************/
5 ;/* EM kernel interface */
9 ;/* (C) 2002-2003 Ullrich von Bassewitz */
10 ;/* Römerstrasse 52 */
11 ;/* D-70794 Filderstadt */
12 ;/* EMail: uz@cc65.org */
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. */
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: */
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 */
32 ;/*****************************************************************************/
36 ;------------------------------------------------------------------------------
40 ID .byte 3 ; Contains 0x65, 0x6d, 0x64 ("emd")
41 VERSION .byte 1 ; Interface version
42 LIBREF .addr ; Library reference
44 INSTALL .addr ; INSTALL routine
45 UNINSTALL .addr ; UNINSTALL routine
46 PAGECOUNT .addr ; PAGECOUNT routine
47 MAP .addr ; MAP routine
48 USE .addr ; USE routine
49 MAPCLEAN .addr ; MAPCLEAN routine
50 COPYFROM .addr ; COPYFROM routine
51 COPYTO .addr ; COPYTO routine
55 ;------------------------------------------------------------------------------
56 ; The EMD API version, stored in EMD_HDR::VERSION
60 ;------------------------------------------------------------------------------
61 ; The asm equivalent to the C em_copy structure
64 BUF .addr ; Memory buffer to copy from or to
65 OFFS .byte ; Offset into page
66 PAGE .word ; Starting page to copy from or to
67 COUNT .word ; Number of bytes to copy
68 UNUSED .byte ; Make the size 8 bytes
71 ;------------------------------------------------------------------------------
74 .global _em_drv ; Pointer to driver
76 ;------------------------------------------------------------------------------
88 ;------------------------------------------------------------------------------
93 ;------------------------------------------------------------------------------
94 ; C callable functions
96 .global _em_load_driver
100 .global _em_pagecount