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ǰλãҳ > DSPC2000汇编指令 - 百度文库

DSPC2000汇编指令 - 百度文库

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BANZ 16bitoffARn-- BF 16bitoffCOND FFC XAR722bitoff IRET LB 22bitAddr LB *XAR7 LC 22bitAddr LC *XAR7 LCR *XARn LCR 22bitAddr LOOPZ loc16#16bit LOOPNZ loc16#16bit lLRET LRETE LRETR RPT #8bit/loc16 SB #8bitoffCOND SBF #8bitoffEQ/NEQ/TC/NTC XB pma XB pmaCOND XB pma*ARPn XB *AL XCALL pma*ARPn XBANZ pma*ind{ARPn} XBCALL pma XCALL pmaCOND XCALL *AL XRET XRETC COND ĴΪ0תPC仯ͬ תPC仯ͬ ٵúXAR7浱ǰPCPC=22λַ жϷ תPC=22λַ ӳתXAR7е22λַPC ֱӳãPC=22λַ ӳãXAR7е22λַPC ʹRPCļӳ ʹRPCijãPC=22λַ [loc16]16λΪ0ʱѭ [loc16]16λ0ʱѭ ж ʹRPCij ظһָNΣN8λ[loc16] תPC仯ͬ תPC仯ͬ C2xLPԵת C2xLPԵת C2xLPԵĹܵת C2xLPԵĹܵ C2xLPԵĹܵҸıARP ARnΪ0C2xLPԵת C2xLPԵĵ C2xLPԵ C2xLPԵļӵ ЧXRETC UNC C2xLPԵԷ BAR 16bitoffARnARmEQ/NEQ ݸĴȽϽתPC仯ͬ 6-27ת//ز˵

14.˵(6-28)

Ƿ ABORTI ASP EALLOW IDLE NASP ZAPA EDIS ESTOPO ջָ ܱļĴ/ռ ô͹ģʽ ջָ ۼPĴOVC0 ֹܱļĴ/ռ ֹͣ0 ˵ ֹжϣָΪһָ NOP {*int} ӵַ޸Ϊѡ ESTOP1 ֹͣ1 6-28˵

C28xϵеĻпɲֻ17IJ˵ֻǶڿʱõģҲΪIJ˵ԸõʹøոսӴԱ̵Ķߺܺõԡ

6.4

6.4.1Դʽ

C28xϵоƬԴԴɣԴαָָαָע͡Դ4(ţǷбע) Դͨʽ£

[] [] [||] Ƿ [12...] [;ע] ĽͿ϶вٵĶ߻Ի󲻽ģͨĻһ°ɣ

two .set 2 ;two=2 begin MOV AR1,#two ;AR1=2

.word 016h ;016hʼһ LOOP MOV DP,#two ԸĻ򣬶DzȻûûôأֻҪһһȴӻIJţʽѧϰøѰַʽ󽫻ָѧϰͲһˡҪעһǣC28xÿ200ַ200ַضϡΪ˱֤ȷ(עIJ)ÿһж200ַڡ ܽһ»Ĺ

i. ԱšոǺŻֺſͷ

ii. ǿѡģñţдڵһеĿʼ() iii. һոָÿһƱ(TABЧλո

iv. עǿѡġڵһпʼעͿǺŻ߷ֺ(*)ͷκ

ʼעͱԷֺ(;ͷ)

v. Ƿܴӵһпʼ򽫱Ϊš vi. []ʾѡѡġ

ʾ

1ŶеĻָʹ󲿷ֵαָǿѡġʹñţűԴĵһпʼſ128ַ(A-Za-z0-9_$)ɣͷΪ

2ǷǷ(ADDMOVB)ָ(.data.list.set)αָ(.macro.var.mexit)á(||)ʾָRPTָظ

3еָαָһûвš

ʽ

4ź()пޡ

6.4.2

ַͷǻʶǻָαָͺָвĻɲ֡ ٳ

֧6͵ij죺

(1)ĸB(b)βɶ(0,1)ɵִִɴ32֣010000110B

(2)˽ĸQ(q)βɰ˽(0~7)ɵִִɴ11˽֣100000Q (3)ʮĸD(d)β(ҲĬ)ʮ09ɵַΧ-21474836484294967295-300000. (4)ʮĸH(h)βʮ09AF(af)ɵִַɴ8ʮ֡ (5)ַڵеһַĴÿַʾΪ8λASCII룬确aַaڲ61Hʾ

(6)ʱ䳣.setαָԷŽиֵֵݲͬʾĺҲͲͬˡ

磬.setŸֵųΪΪڱʽʹô˳Ϊڱʽʹô˳ֵǾֵ SHIFT .set 3 MOV AR1#SHIFT

Ҳ.setĴų˷Ĵͬʣ AUXR1 .set AR1 MOV AUXR1#3

(7)ͳ֡С㡢Сָֺɣʽ£ [+/-]nnn[.[nnn] [E/e[+/-]nnn]] Nʾʮ֣[]ڵIJǿѡġ3.03.14-0.314e13.

ַ

ַǰ˫ڵһַ˫ַһ֡󳤶DZ仯ģÿһʹַαָġַڲΪ8λASCIIַ磺sample program13ӵַsample program ַгϣ

(1).copy \еļ (2).setc \еĶ

(3).byte \жݳʼαָ (4).stringαָIJ

ַַ첻ַͬһֵַַб

۷

űšš32ĸֻ(A~Z,a~z,0~9,$_)ŵĵһַ֣ڲпոûķִСдʱABCAbcabcᱻʶΪ3ͬķšûѡ(-C)ԴСдʶ

6.4.3ʽ

ʽͷɡЧʽķΧ-32768+327675-29ʽڲʹõȼг

1 2 + - * / % << >> + - ^ | & < > <= >= === = ˵ ȡ ȡ (1IJ) ģ λ߼ λ߼ λ߼ С Сڻ ڻ ȼ 3 4 6-29ʽʹõ˵

ʾ:

(1)ͬȼǰΪţ

(2)һҵֵɴ

²C28xϵDSPѰַʽͻָ򵥽˻ĸʽC28xı̶ʹcԣ˳ѧ߲ӲָָֻҪָܶɡϣͨµѧϰC28xĸѰַʽճúָĹܺ﷨ĸʽCPUĹԭڿDSPϵͳʱдЧʵĴ롣

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BANZ 16bitoffARn-- BF 16bitoffCOND FFC XAR722bitoff IRET LB 22bitAddr LB *XAR7 LC 22bitAddr LC *XAR7 LCR *XARn LCR 22bitAddr LOOPZ loc16#16bit LOOPNZ loc16#16bit lLRET LRETE LRETR RPT #8bit/loc16 SB #8bitoffCOND SBF #8bitoffEQ/NEQ/TC/NTC XB pma XB pmaCOND XB pma*ARPn XB *AL XCALL pma*ARPn XBANZ pma*ind{ARPn} XBCALL pma XCALL pmaCOND XCALL *AL XRET

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