;===========================================================================;=;=  Copyright (C) 2006 MAXIM/Dallas Semiconductor Corporation. ;=  All rights Reserved. Printed in U.S.A.;=;=  Permission is hereby granted, free of charge, to any person obtaining a;=  copy of this software and associated documentation files (the ;=  "Software"), to deal in the Software without restriction, including;=  without limitation the rights to use, copy, modify, merge, publish,;=  distribute, sublicense, and/or sell copies of the Software, and to;=  permit persons to whom the Software is furnished to do so, subject to;=  the following conditions:;=  ;=  The above copyright notice and this permission notice shall be included;=  in all copies or substantial portions of the Software source code.;=  ;=  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS;=  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF;=  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.;=  IN NO EVENT SHALL MAXIM/DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, ;=  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ;=  OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR ;=  THE USE OR OTHER DEALINGS IN THE SOFTWARE.;=;=  Except as contained in this notice, the name of MAXIM/Dallas ;=  Semiconductor shall not be used except as stated in the MAXIM/Dallas ;=  Semiconductor Branding Policy.;=;=     Description: MAXQ2000 Secure Digital (SD) Card Interface via SPI;=                 ;=        Filename: copybuf.asm;=;=        Compiler: Rowley CrossWorks assembler;=;=        Hardware: MAXQ2000 Evaluation Kit (Rev B);=;===========================================================================urom_copyBuffer	EQU	(0x84a2 << 1)		public _asm_copybuffer; int A[7] asm_copybuffer(unsigned char *dstaddr A[7], const __code char *srcaddr A[6], int len A[5]);; Copy n bytes from flash into the provided RAM buffer	code	even_asm_copybuffer:	move	DPC, #0x00	; All pointers in byte mode, DP[0] active	move	AP, #7		; Point ACC to first argument, which is also				;  where we will deposit the return value	move	BP, ACC		; No translation needed for RAM address	move	OFFS, #0	; Destination in BP[Offs]		move	ACC, A[6]	; Set ACC to the flash src address	or	#0x8000		; Translate address. In ROM execution,				;  flash memory begins at 0x8000	move	DP[0], ACC	; Source goes into DP[0]	move	ACC, A[5]	; Length is bytes to copy	move	LC[0], ACC	;  and goes into LC[0]	call	urom_copyBuffer	; Call the Utility ROM helper function				;  to execute the actual copy		move	DPC, #0x18	; Restore DPC to the Rowley value	ret