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[/] [zipcpu/] [trunk/] [bench/] [asm/] [lodsto.S] - Rev 182
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;
; Filename: lodsto.S
;
; Project: Zip CPU -- a small, lightweight, RISC CPU soft core
;
; Purpose: A quick test of whether or not we can execute loads and
; stores. The test does not report success or failure, so
; you will need to observe it in a simulator to know if it
; worked or didn't.
;
; Creator: Dan Gisselquist, Ph.D.
; Gisselquist Technology, LLC
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Copyright (C) 2015, Gisselquist Technology, LLC
;
; This program is free software (firmware): you can redistribute it and/or
; modify it under the terms of the GNU General Public License as published
; by the Free Software Foundation, either version 3 of the License, or (at
; your option) any later version.
;
; This program is distributed in the hope that it will be useful, but WITHOUT
; ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
; for more details.
;
; License: GPL, v3, as defined and found on www.gnu.org,
; http://www.gnu.org/licenses/gpl.html
;
;
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;
start:
LDI $2,R2
LOD peripheral_memory_address(PC),R0
LOD $enable_all_interrupts_const(PC),R1
STO R1,(R0)
LDI infloop(PC),R0
infloop:
MOV R0,PC
HALT ; We should never get here.
peripheral_memory_address:
WORD 0xc0000000
enable_all_interrupts_const:
WORD 0x8001ffff
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