?? vectors.asm
字號:
;
; Copyright 2000 by Texas Instruments Incorporated.
; All rights reserved. Property of Texas Instruments Incorporated.
; Restricted rights to use, duplicate or disclose this code are
; granted through contract.
; U.S. Patent Nos. 5,283,900 5,392,448
;
; "@(#) DSP/BIOS 4.00 03-16-00 (barracuda-e06)"
;; Copyright 1999 by Texas Instruments Incorporated.
;; All rights reserved. Property of Texas Instruments Incorporated.
;; Restricted rights to use, duplicate or disclose this code are
;; granted through contract.
;; U.S. Patent Nos. 5,283,900 5,392,448
;;
;; "BIOS-C54x ??"
;
; ======== vectors.asm ========
; Plug in the entry point at RESET in the interrupt vector table
;
;
; ======== unused ========
; plug inifinite loop -- with nested branches to
; disable interrupts -- for all undefined vectors
;
.sect ".vectors"
.ref _c_int00 ; C entry point
.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: RETE
NOP
NOP
NOP
tint: B _time
.ref _time
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
.end
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