;/*****************************************************************************/ ;/* */ ;/* em-kernel.inc */ ;/* */ ;/* EM kernel interface */ ;/* */ ;/* */ ;/* */ ;/* (C) 2002-2003 Ullrich von Bassewitz */ ;/* Römerstrasse 52 */ ;/* D-70794 Filderstadt */ ;/* EMail: uz@cc65.org */ ;/* */ ;/* */ ;/* This software is provided 'as-is', without any expressed or implied */ ;/* warranty. In no event will the authors be held liable for any damages */ ;/* arising from the use of this software. */ ;/* */ ;/* Permission is granted to anyone to use this software for any purpose, */ ;/* including commercial applications, and to alter it and redistribute it */ ;/* freely, subject to the following restrictions: */ ;/* */ ;/* 1. The origin of this software must not be misrepresented; you must not */ ;/* claim that you wrote the original software. If you use this software */ ;/* in a product, an acknowledgment in the product documentation would be */ ;/* appreciated but is not required. */ ;/* 2. Altered source versions must be plainly marked as such, and must not */ ;/* be misrepresented as being the original software. */ ;/* 3. This notice may not be removed or altered from any source */ ;/* distribution. */ ;/* */ ;/*****************************************************************************/ ;------------------------------------------------------------------------------ ; The driver header .struct EMD_HDR ID .byte 3 ; Contains 0x65, 0x6d, 0x64 ("emd") VERSION .byte 1 ; Interface version LIBREF .addr ; Library reference JUMPTAB .struct INSTALL .addr ; INSTALL routine UNINSTALL .addr ; UNINSTALL routine PAGECOUNT .addr ; PAGECOUNT routine MAP .addr ; MAP routine USE .addr ; USE routine MAPCLEAN .addr ; MAPCLEAN routine COPYFROM .addr ; COPYFROM routine COPYTO .addr ; COPYTO routine .endstruct .endstruct ;------------------------------------------------------------------------------ ; The EMD API version, stored in EMD_HDR::VERSION EMD_API_VERSION = $02 ;------------------------------------------------------------------------------ ; The asm equivalent to the C em_copy structure .struct EM_COPY BUF .addr ; Memory buffer to copy from or to OFFS .byte ; Offset into page PAGE .word ; Starting page to copy from or to COUNT .word ; Number of bytes to copy UNUSED .byte ; Make the size 8 bytes .endstruct ;------------------------------------------------------------------------------ ; Variables .global _em_drv ; Pointer to driver ;------------------------------------------------------------------------------ ; Driver entry points .global emd_install .global emd_uninstall .global emd_pagecount .global emd_map .global emd_use .global emd_commit .global emd_copyfrom .global emd_copyto ;------------------------------------------------------------------------------ ; ASM functions .global em_clear_ptr ;------------------------------------------------------------------------------ ; C callable functions .global _em_load_driver .global _em_unload .global _em_install .global _em_uninstall .global _em_pagecount .global _em_map .global _em_use .global _em_commit .global _em_copyfrom .global _em_copyto