西工大DSP定点小数乘法.doc
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1、【精品文档】如有侵权,请联系网站删除,仅供学习与交流西工大DSP定点小数乘法.精品文档.DSP实验报告定点小数乘法实验目的1、 自行安装CCS3.3版本,配置和运行CCS;2、 熟悉CCS开发环境,访问读写DSP寄存器AC0-AC3,AR0-AR7,T0-T3;3、 结合c5510的存储器空间分配,访问DSP的内部RAM;4、 编写一个简单的定点DSP程序,计算一个式子。实验结果CCS安装运行后如下:初始界面选择C5510simulator建立新工程;建立新汇编语言源程序文件;建立CMD文件;访问读写寄存器AC0-AC3,AR0-AR7,PC,T0-T3:计算一个简单乘加算式ASM源程序如下:
2、.text.global startstart: MOV #0006h,AC0H;Q6 MOV #0026h,AC1H;Q5 MPY AC1,AC0 MOV #0023h,AC1H;Q0 MOV #0014h,AC2H;Q0 MPY AC2,AC1 MOV #03C0h,AC2H;Q6 MOV #0033h,AC3H;Q5 MPY AC3,AC2 SFTSC AC1,#11,AC3 ADD AC0,AC3 ADD AC2,AC3运行后寄存器的结果如下:计算得结果应为724.12,但由于修改小数点的位置使计算结果有些偏差。CMD文件如下:-e start-stack 500-sysstack 5
3、00MEMORY MMR: o = 0x000000 l = 0x0000c0 /* 192B Memory Mapped Registers */ DARAM0: o = 0x0000C0 l = 0x001F40 /* 8kB Dual Access RAM 0 */ DARAM1: o = 0x002000 l = 0x002000 /* 8kB Dual Access RAM 1 */ DARAM2: o = 0x004000 l = 0x002000 /* 8kB Dual Access RAM 2 */ DARAM3: o = 0x006000 l = 0x002000 /* 8k
4、B Dual Access RAM 3 */ DARAM4: o = 0x008000 l = 0x002000 /* 8kB Dual Access RAM 4 */ DARAM5: o = 0x00A000 l = 0x002000 /* 8kB Dual Access RAM 5 */ DARAM6: o = 0x00C000 l = 0x002000 /* 8kB Dual Access RAM 6 */ DARAM7: o = 0x00E000 l = 0x002000 /* 8kB Dual Access RAM 7 */ SARAM0: o = 0x010000 l = 0x00
5、2000 /* 8kB Single Access RAM 0 */ SARAM1: o = 0x012000 l = 0x002000 /* 8kB Single Access RAM 1 */ SARAM2: o = 0x014000 l = 0x002000 /* 8kB Single Access RAM 2 */ SARAM3: o = 0x016000 l = 0x002000 /* 8kB Single Access RAM 3 */ SARAM4: o = 0x018000 l = 0x002000 /* 8kB Single Access RAM 4 */ SARAM5: o
6、 = 0x01A000 l = 0x002000 /* 8kB Single Access RAM 5 */ SARAM6: o = 0x01C000 l = 0x002000 /* 8kB Single Access RAM 6 */ SARAM7: o = 0x01E000 l = 0x002000 /* 8kB Single Access RAM 7 */ SARAM8: o = 0x020000 l = 0x002000 /* 8kB Single Access RAM 8 */ SARAM9: o = 0x022000 l = 0x002000 /* 8kB Single Acces
7、s RAM 9 */ SARAM10: o = 0x024000 l = 0x002000 /* 8kB Single Access RAM 10 */ SARAM11: o = 0x026000 l = 0x002000 /* 8kB Single Access RAM 11 */ SARAM12: o = 0x028000 l = 0x002000 /* 8kB Single Access RAM 12 */ SARAM13: o = 0x02A000 l = 0x002000 /* 8kB Single Access RAM 13 */ SARAM14: o = 0x02C000 l =
8、 0x002000 /* 8kB Single Access RAM 14 */ SARAM15: o = 0x02E000 l = 0x002000 /* 8kB Single Access RAM 15 */ SARAM16: o = 0x030000 l = 0x002000 /* 8kB Single Access RAM 16 */ SARAM17: o = 0x032000 l = 0x002000 /* 8kB Single Access RAM 17 */ SARAM18: o = 0x034000 l = 0x002000 /* 8kB Single Access RAM 1
9、8 */ SARAM19: o = 0x036000 l = 0x002000 /* 8kB Single Access RAM 19 */ SARAM20: o = 0x038000 l = 0x002000 /* 8kB Single Access RAM 20 */ SARAM21: o = 0x03A000 l = 0x002000 /* 8kB Single Access RAM 21 */ SARAM22: o = 0x03C000 l = 0x002000 /* 8kB Single Access RAM 22 */ SARAM23: o = 0x03E000 l = 0x002
10、000 /* 8kB Single Access RAM 23 */ CE0: o = 0x040000 l = 0x3C0000 /* 4MB CE0 external memory space */ CE1: o = 0x400000 l = 0x400000 /* 4MB CE1 external memory space */ CE2: o = 0x800000 l = 0x400000 /* 4MB CE2 external memory space */ CE3: o = 0xC00000 l = 0x3F0000 /* 4MB CE3 external memory space
11、*/ ROM: o = 0xFF0000 l = 0x00FF00 /* 64kB ROM (MPNMC=0) or CE3 (MPNMC=1) */ VECS: o = 0xFFFF00 l = 0x000100 /* reset vector */SECTIONS vectors (NOLOAD) VECS /* If MPNMC = 1, remove the NOLOAD directive */ .cinit DARAM0 .text DARAM1 .stack DARAM0 .sysstack DARAM0 .sysmem DARAM4 .data DARAM4 .cio DARA
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