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From: cvs at opencores.org<cvs@o...>
Date: Sun May 28 20:14:19 CEST 2006
Subject: [cvs-checkins] MODIFIED: t400 ...
Date: 00/06/05 28:20:14

Added: t400/sw/verif/int/jsr_ret int test.asm
Log:
initial check-in


Revision Changes Path
1.1 t400/sw/verif/int/jsr_ret/int

http://www.opencores.org/cvsweb.shtml/t400/sw/verif/int/jsr_ret/int?rev=1.1&content-type=text/x-cvsweb-markup

<<Binary file>>


1.1 t400/sw/verif/int/jsr_ret/test.asm

http://www.opencores.org/cvsweb.shtml/t400/sw/verif/int/jsr_ret/test.asm?rev=1.1&content-type=text/x-cvsweb-markup

Index: test.asm
===================================================================
;; *******************************************************************
;; $Id: test.asm,v 1.1 2006/05/28 18:14:19 arniml Exp $
;;
;; Checks interrupt on JSR and RET.
;;

;; the cpu type is defined on asl's command line

include "int_macros.inc"

org 0x00
clra

int_flag_clear
;; write return instruction identifier to current M
;; ret_instr_230 = 0x01
clra
aisc 0x1
x 0

lei 0x02
jmp int_mark_230

org 0x230
int_mark_230:
nop
nop
int_instr_230:
jsr prep_2b0
nop
ret_instr_2b0:
;; check whether interrupt really occured
int_flag_check

jmp pass


org 0x290
jmp fail
org 0x292
prep_2b0:
nop
ret_instr_230:
;; check whether interrupt really occured
int_flag_check

;;
;; prepare next interrupt
;;
int_flag_clear
;; write return instruction identifier to current M
;; ret_instr_2b0 = 0x2
clra
aisc 0x2
x 0

lei 0x02
jp int_mark_2b0

org 0x2ae
jmp fail
org 0x2b0
int_mark_2b0:
nop
nop
int_instr_2b0:
ret


;; *******************************************************************
;; Interrupt routine
;;
org 0x0fd
jmp fail
int_routine:
nop
save_a_m_c

int_flag_set

;; access current M of main program
ldd 3, 14 x 0 skmbz 0x0 jmp check_sa_230 skmbz 0x1 jmp check_sa_2b0 jmp fail check_sa_230: check_sa ret_instr_230 jmp int_finished check_sa_2b0: check_sa ret_instr_2b0 jmp int_finished int_finished: restore_c_m_a ret ;; ;; ******************************************************************* org 0x200 include "int_pass_fail.asm"