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From: cvs at opencores.org<cvs@o...>
Date: Sun May 28 17:26:04 CEST 2006
Subject: [cvs-checkins] MODIFIED: t400 ...
Date: 00/06/05 28:17:26

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


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

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

<<Binary file>>


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

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

Index: test.asm
===================================================================
;; *******************************************************************
;; $Id: test.asm,v 1.1 2006/05/28 15:26:04 arniml Exp $
;;
;; Checks interrupt on AISC.
;; AISC is interrupted twice:
;; 1) no carry, thus no skip
;; 2) carry, skip after interrupt completion
;;

;; 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_030 = 0x01
clra
aisc 0x1
x 0

lei 0x02
jp int_mark_030

org 0x030
int_mark_030:
nop
nop
int_instr_030:
aisc 0xf
ret_instr_030:
jp + ; must not be skipped!
jmp fail
+
;; check result of AISC
xad 3, 0
clra
aisc 0xf
x 0
xad 3, 0
ske
jmp fail
;; check whether interrupt really occured
int_flag_check

;;
;; prepare next interrupt
;;
int_flag_clear
;; write return instruction identifier to current M
;; ret_instr_0b0 = 0x2
clra
aisc 0x2
x 0

lei 0x02
jmp int_mark_0b0

org 0x0ae
jmp fail
org 0x0b0
int_mark_0b0:
nop
nop
int_instr_0b0:
aisc 0x1
ret_instr_0b0:
jmp fail ; must be skipped!
;; check result of AISC
xad 3, 0
clra
x 0
xad 3, 0
ske
jmp fail
;; check whether interrupt really occured
int_flag_check
jmp pass

;; ******************************************************************* ;; 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_030 skmbz 0x1 jmp check_sa_0b0 jmp fail check_sa_030: check_sa ret_instr_030 jmp int_finished check_sa_0b0: check_sa ret_instr_0b0 jmp int_finished int_finished: restore_c_m_a ret ;; ;; ******************************************************************* org 0x200 include "int_pass_fail.asm"