Texas Instruments TMS320F20x/F24x DSP Preliminary, Assembly Source Listings and Program Examples

PRELIMINARY

Sample Assembly Code to Erase and Reprogram the TMS320F240

A.5.2 Linker Command File for TMS320F240 Sample Assembly Code

/************************************************************/
/*	Filename: ASMEXA24.CMD						*/
/*	Description: Linker command file for 'F240 example of						*/
/*	on±chip flash programming from assembly. This command						*/
/*	file links the example to addr 0x8000 of the off±chip						*/
/*	pgm RAM, so that the debugger can be used to set						*/
/*	breakpoints.						*/
/*	Notes:						*/
/*	1. The object modules for the standard flash						*/
/*		algos are expected to be in a subdirectory					*/
/*		(ALGOS) of the path of this file.					*/
/************************************************************/
/*	Rev1.0					3/98 JGC	*/
/************************************************************/
/*******************Command Line Options*********************/
±e .text
±o asmexa24.out
±m asmexa24.map
/************************Input Files*************************/
asmexa24.obj				/*User assembly code that calls flash algos.				*/
algos\spgm20.obj				/*Standard Programming algorithm.				*/
algos\sclr20.obj				/*Standard Clear algorithm.				*/
algos\sera20.obj				/*Standard Erase algorithm.				*/
algos\sflw20.obj				/*Standard Flash±write algorithm.				*/
algos\sutils20.obj				/*Subroutines used by standard algorithms.				*/
/************************Memory Map**************************/
MEMORY
{
PAGE 0:		/*	PM ± Program memory		*/
	FLASH0:		origin = 0x0000, length = 0x4000
	EXTRAM:		origin = 0x8000, length = 0x400 /*Use 1K of Ext. RAM for PROGRAM*/
	B0PGM:		origin = 0xfe00, length = 0x100
PAGE 1:						/* DM ± Data memory */
	BLK_B2:		origin = 0x60, length = 0x20			/* BLOCK B2*/
	EX1_DM:		origin = 0x8000, length = 0x4000			/* External data RAM */
	B0:		origin = 0x200, length = 0x100			/* B0 Ram (Used for temp data )*/
	B1:		origin = 0x300, length = 0x100			/* B1 Ram (Used for algo vars )*/
}
/*************************Section Allocation***************************/
SECTIONS
{
	.text	:{} > EXTRAM PAGE 0			/* asmexa24.asm */

PRELIMINARY Assembly Source Listings and Program Examples A-45