main.asm

主要介绍一些常用的关于TCP/IP的命令集,有助于工程人员快速地查阅

*hit651 voice platform software
*==================== main.asm =======================
*2004.1.1 hit651
*
		.mmregs
		.global _c_int00
		
		.include c54.inc
		.include netcard.inc
		.include variable.inc
		.include macro.inc
		
		.def taskfree,reveice_process
		
		.ref c54_init,voice_init
		.ref netcard_init,set_mynodeid
		.ref arp_request,arp_process,ip_process
		.ref send_data
		
				
		.text
		.align 0x1000
		

_c_int00:
		nop
		DELAY 1000
		
		STM  0x3000,SP
		CALL c54_init
		CALL voice_init
;********************************************************** 		
*复位8019，并选中IDE1
		ST #1,*(rst8019_map)		
		PORTW *(rst8019_map),RST8019
		
		STM #(100-1),AR2
main_0:	DELAY 50000					;0.5ms * 100=50ms
		BANZ main_0,*AR2-		
		
		ST #0,*(rst8019_map)		
		PORTW *(rst8019_map),RST8019
		
		ST #1,*(rst8019_map)
		PORTW *(rst8019_map),0x8001
		
		STM #(40-1),AR2
main_1:	DELAY 50000					;0.5ms * 40=20ms
		BANZ main_1,*AR2-
;********************************************************** 		
		CALL netcard_init
		CALL set_mynodeid

;********************************************************** 
 		
 		RSBX INTM
 		
		STM #(40-1),AR2
main_2:	DELAY 50000					;0.5ms * 40=20ms
		BANZ main_2,*AR2-	
		CALL arp_request
		
*************************************************************
testt:				
*
***************************************************************		
		ST #taskfree,*(task)
		nop
		nop
		nop
		nop
				
taskfree:
		nop
		nop
		nop
		nop
		nop
		nop
		LDU *(task),A
		nop
		nop
		
		BACC A
*
***************************************************************
*reveice process,have new packet
*		
reveice_process:
*
arp:	CMPM *(rxbuf.ethernet.protocal),#0x0608
		NOP
		NOP
		BC ip,NTC
		CALL arp_process
		ST #taskfree,*(task)
		B taskfree

ip:		CMPM *(rxbuf.ethernet.protocal),#0x0008
		NOP
		NOP
		CC ip_process,TC
		ST #taskfree,*(task)
		B taskfree
**********************************************************
		
		.end