vectors.asm

5402DSP程序设计语言

        .sect ".vectors"
        .ref _c_int00           ; C entry point
        .ref _int2c
        .align  0x80            ; must be aligned on page boundary

RESET:                          ; reset vector
        BD _c_int00                             ; branch to C entry point
        STM #200,SP                             ; stack size of 200
nmi:
			    RETE                    ; enable interrupts and return from one
                NOP
                NOP
                NOP                                     ;NMI~

                ; software interrupts
sint17 .space 4*16
sint18 .space 4*16
sint19 .space 4*16
sint20 .space 4*16
sint21 .space 4*16
sint22 .space 4*16
sint23 .space 4*16
sint24 .space 4*16
sint25 .space 4*16
sint26 .space 4*16
sint27 .space 4*16
sint28 .space 4*16
sint29 .space 4*16
sint30 .space 4*16

int0:   
				RETE
                NOP
                NOP
                NOP
int1:
			    RETE
                NOP 
                NOP
                NOP
int2:   
				b _int2c
                NOP
                NOP
tint:   
				RETE
                NOP
                NOP
                NOP
rint0:  
				RETE
                NOP
                NOP
                NOP
xint0:  
				RETE
                NOP
                NOP
                NOP
rint1:  
				RETE
                NOP
                NOP
                NOP
xint1:  
				RETE
                NOP
                NOP
                NOP
int3:   
				RETE
                NOP
                NOP
                NOP